/* ==================== */
/* CSS Variables */
/* ==================== */
:root {
    /* Brand Colors */
    --primary-green: #10b981;
    --primary-dark: #059669;
    --primary-light: #34d399;
    --secondary-blue: #3b82f6;
    --accent-purple: #8b5cf6;
    
    /* Status Colors */
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --info: #3b82f6;
    
    /* Text Colors */
    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;
    --text-light: #ffffff;
    
    /* Background Colors */
    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;
    --bg-dark: #111827;
    --bg-card: #ffffff;
    
    /* Border & Shadow */
    --border-color: #e5e7eb;
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 20px;
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 20px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 30px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
}

/* ==================== */
/* Reset & Base */
/* ==================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

html {
    font-size: 16px;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-primary);
    background: var(--bg-secondary);
    line-height: 1.5;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ==================== */
/* App Container */
/* ==================== */
.app-container {
    max-width: 480px;
    margin: 0 auto;
    background: var(--bg-primary);
    min-height: 100vh;
    position: relative;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.1);
}

/* ==================== */
/* Status Bar */
/* ==================== */
.status-bar {
    height: 44px;
    background: var(--bg-primary);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
    font-size: 14px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.status-icons {
    display: flex;
    gap: 8px;
    font-size: 12px;
}

/* ==================== */
/* App Header */
/* ==================== */
.app-header {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    box-shadow: var(--shadow-md);
}

.logo-icon-img {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    object-fit: contain;
    box-shadow: var(--shadow-md);
}

.logo-text {
    font-size: 20px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.notification-btn {
    position: relative;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-secondary);
    border-radius: 10px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.notification-btn:hover {
    background: var(--bg-tertiary);
}

.notification-badge {
    position: absolute;
    top: -4px;
    right: -4px;
    background: var(--error);
    color: white;
    font-size: 10px;
    font-weight: 700;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--bg-primary);
}

/* ==================== */
/* Main Content */
/* ==================== */
.app-main {
    padding-bottom: 80px;
    min-height: calc(100vh - 144px);
}

.page {
    display: none;
    padding: 20px;
    animation: fadeIn 0.3s ease;
}

.page.active {
    display: block;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.page-header h1 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
}

.live-indicator {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--success);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
}

.pulse {
    width: 8px;
    height: 8px;
    background: white;
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(1.2);
    }
}

/* ==================== */
/* Drone Status Page */
/* ==================== */

/* Drone Visual Card */
.drone-visual-card {
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
    border-radius: var(--border-radius-lg);
    padding: 32px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.drone-visual-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 300px;
    height: 300px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
}

.drone-3d {
    position: relative;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.drone-icon-large {
    font-size: 64px;
    color: white;
    z-index: 2;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.drone-signal-rings {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.ring {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
}

.ring-1 {
    width: 80px;
    height: 80px;
    animation: sonarWave 2s ease-out infinite;
}

.ring-2 {
    width: 120px;
    height: 120px;
    animation: sonarWave 2s ease-out 0.5s infinite;
}

.ring-3 {
    width: 160px;
    height: 160px;
    animation: sonarWave 2s ease-out 1s infinite;
}

@keyframes sonarWave {
    0% {
        transform: translate(-50%, -50%) scale(0.5);
        opacity: 1;
    }
    100% {
        transform: translate(-50%, -50%) scale(1);
        opacity: 0;
    }
}

.drone-info {
    text-align: center;
    position: relative;
    z-index: 2;
}

.drone-info h2 {
    color: white;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.drone-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 6px 16px;
    border-radius: 20px;
    color: white;
    font-size: 13px;
    font-weight: 600;
}

.drone-status.active i {
    color: #4ade80;
    animation: pulse 1.5s ease-in-out infinite;
}

/* Primary Stats Grid */
.stats-grid.primary {
    display: grid;
    gap: 16px;
    margin-bottom: 20px;
}

.stat-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    display: flex;
    gap: 16px;
    transition: transform var(--transition-fast);
}

.stat-card:active {
    transform: scale(0.98);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    flex-shrink: 0;
}

.stat-card.battery .stat-icon {
    background: linear-gradient(135deg, #10b981, #059669);
    color: white;
}

.stat-card.spray .stat-icon {
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    color: white;
}

.stat-content {
    flex: 1;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 6px;
}

.stat-value-row {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: 8px;
}

.stat-value {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
}

.stat-trend {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 8px;
    border-radius: 6px;
}

.stat-trend.good {
    color: var(--success);
    background: rgba(16, 185, 129, 0.1);
}

.stat-trend.warning {
    color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    border-radius: 10px;
    transition: width var(--transition-slow);
}

.battery-fill {
    background: linear-gradient(90deg, var(--primary-green), var(--primary-light));
}

.spray-fill {
    background: linear-gradient(90deg, var(--secondary-blue), #60a5fa);
}

/* Secondary Stats Grid */
.stats-grid.secondary {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.stat-card-small {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 16px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.stat-icon-small {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    margin-bottom: 4px;
}

.stat-icon-small.temp {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-icon-small.signal {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon-small.altitude {
    background: rgba(59, 130, 246, 0.1);
    color: var(--secondary-blue);
}

.stat-icon-small.speed {
    background: rgba(139, 92, 246, 0.1);
    color: var(--accent-purple);
}

.stat-icon-small.gps {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.stat-icon-small.motor {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.stat-info {
    flex: 1;
}

.stat-label-small {
    display: block;
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
    margin-bottom: 2px;
}

.stat-value-small {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.status-badge {
    align-self: flex-start;
    padding: 4px 8px;
    border-radius: 6px;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.good {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.status-badge.excellent {
    background: rgba(16, 185, 129, 0.15);
    color: #059669;
}

.status-badge.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.status-badge.info {
    background: rgba(59, 130, 246, 0.1);
    color: var(--secondary-blue);
}

/* Flight Progress Card */
.flight-progress-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
}

.flight-progress-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.flight-progress-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.mission-id {
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.flight-progress-bar {
    width: 100%;
    height: 12px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 16px;
}

.flight-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-green), var(--secondary-blue));
    border-radius: 10px;
    position: relative;
    transition: width var(--transition-slow);
}

.flight-progress-fill::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

.flight-progress-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
}

.progress-stat {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.progress-stat .label {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

.progress-stat .value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.action-btn {
    padding: 16px;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.action-btn:active {
    transform: scale(0.96);
}

.action-btn.emergency {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    color: white;
}

.action-btn.return {
    background: linear-gradient(135deg, var(--secondary-blue), #2563eb);
    color: white;
}

.action-btn i {
    font-size: 18px;
}

/* ==================== */
/* Dock Status Page */
/* ==================== */

/* Dock Visual Card */
.dock-visual-card {
    background: linear-gradient(135deg, #1e293b, #334155);
    border-radius: var(--border-radius-lg);
    padding: 32px 24px;
    margin-bottom: 24px;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.dock-visual-card::before {
    content: '';
    position: absolute;
    top: -30%;
    left: -20%;
    width: 250px;
    height: 250px;
    background: rgba(59, 130, 246, 0.2);
    border-radius: 50%;
    filter: blur(60px);
}

.dock-3d {
    position: relative;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
}

.dock-icon-large {
    font-size: 64px;
    color: white;
    z-index: 2;
}

.dock-activity-indicator {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.activity-ring {
    width: 140px;
    height: 140px;
    border: 3px solid rgba(59, 130, 246, 0.4);
    border-top-color: rgba(59, 130, 246, 0.8);
    border-radius: 50%;
    animation: spin 2s linear infinite;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.dock-info {
    text-align: center;
    position: relative;
    z-index: 2;
}

.dock-info h2 {
    color: white;
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 8px;
}

.dock-status {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    padding: 6px 16px;
    border-radius: 20px;
    color: white;
    font-size: 13px;
    font-weight: 600;
}

.dock-status.processing i {
    color: #60a5fa;
}

/* Operation Card */
.operation-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
}

.operation-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.operation-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.operation-timer {
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 700;
    padding: 6px 12px;
    border-radius: 8px;
    font-family: 'Courier New', monospace;
}

.operation-steps {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.step {
    display: flex;
    gap: 12px;
    position: relative;
}

.step:not(:last-child)::after {
    content: '';
    position: absolute;
    left: 17px;
    top: 40px;
    width: 2px;
    height: calc(100% - 20px);
    background: var(--border-color);
}

.step.completed:not(:last-child)::after {
    background: var(--success);
}

.step.active:not(:last-child)::after {
    background: linear-gradient(180deg, var(--secondary-blue), var(--border-color));
}

.step-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
    z-index: 1;
}

.step.completed .step-icon {
    background: var(--success);
    color: white;
}

.step.active .step-icon {
    background: var(--secondary-blue);
    color: white;
    animation: pulse 2s ease-in-out infinite;
}

.step.pending .step-icon {
    background: var(--bg-tertiary);
    color: var(--text-tertiary);
}

.step-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.step-name {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.step.pending .step-name {
    color: var(--text-secondary);
}

.step-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.step-progress {
    margin-top: 8px;
}

.step-progress-bar {
    width: 100%;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    overflow: hidden;
}

.step-progress-fill {
    height: 100%;
    background: var(--secondary-blue);
    border-radius: 10px;
    transition: width var(--transition-slow);
}

/* Resources Grid */
.resources-grid {
    display: grid;
    gap: 16px;
    margin-bottom: 20px;
}

.resource-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
}

.resource-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.resource-header i {
    font-size: 20px;
    color: var(--primary-green);
}

.resource-header h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
}

.resource-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

/* Battery Slots */
.battery-slots {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
}

.battery-slot {
    aspect-ratio: 1;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px;
    position: relative;
    overflow: hidden;
}

.battery-indicator {
    width: 24px;
    height: 32px;
    border: 2px solid var(--text-tertiary);
    border-radius: 4px;
    position: relative;
}

.battery-indicator::before {
    content: '';
    position: absolute;
    top: -4px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 3px;
    background: var(--text-tertiary);
    border-radius: 2px 2px 0 0;
}

.battery-indicator::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 2px;
    right: 2px;
    background: var(--text-tertiary);
    border-radius: 2px;
}

.battery-slot.full .battery-indicator {
    border-color: var(--success);
}

.battery-slot.full .battery-indicator::before {
    background: var(--success);
}

.battery-slot.full .battery-indicator::after {
    height: calc(100% - 4px);
    background: var(--success);
}

.battery-slot.charging .battery-indicator {
    border-color: var(--warning);
}

.battery-slot.charging .battery-indicator::before {
    background: var(--warning);
}

.battery-slot.charging .battery-indicator::after {
    height: 60%;
    background: var(--warning);
    animation: charging 1.5s ease-in-out infinite;
}

@keyframes charging {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

.battery-slot.low .battery-indicator {
    border-color: var(--error);
}

.battery-slot.low .battery-indicator::before {
    background: var(--error);
}

.battery-slot.low .battery-indicator::after {
    height: 20%;
    background: var(--error);
}

.battery-slot span {
    font-size: 11px;
    font-weight: 700;
    color: var(--text-secondary);
}

.resource-summary {
    display: flex;
    justify-content: space-around;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.resource-summary span {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

/* Tank Visual */
.tank-visual {
    width: 100%;
    height: 150px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-sm);
    position: relative;
    overflow: hidden;
}

.tank-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, #3b82f6, #2563eb);
    transition: height var(--transition-slow);
}

.tank-fill::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: rgba(255, 255, 255, 0.3);
    animation: wave 2s ease-in-out infinite;
}

@keyframes wave {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-1px);
    }
}

.tank-level {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 32px;
    font-weight: 800;
    color: var(--text-primary);
    z-index: 2;
}

.resource-details {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
}

.detail-row span:first-child {
    color: var(--text-secondary);
    font-weight: 500;
}

.detail-row span:last-child {
    color: var(--text-primary);
    font-weight: 700;
}

/* Chemical Jugs */
.chemical-jugs-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.section-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.section-header .note {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 600;
    background: var(--bg-secondary);
    padding: 4px 10px;
    border-radius: 12px;
}

.jug-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.jug-card {
    display: flex;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    align-items: center;
}

.jug-visual {
    width: 44px;
    height: 70px;
    border-radius: 10px;
    background: var(--bg-tertiary);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    border: 2px solid var(--border-color);
}

.jug-fill {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(180deg, #3b82f6, #2563eb);
    transition: height var(--transition-slow);
}

.jug-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.jug-name {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.jug-level {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-secondary);
}

.jug-chem {
    font-size: 11px;
    color: var(--text-tertiary);
    font-weight: 600;
}

/* Dock Stats Card */
.dock-stats-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
}

.dock-stats-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.dock-stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}

.dock-stat {
    text-align: center;
    padding: 16px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.dock-stat-value {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: 4px;
}

.dock-stat-label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Dock Health Card */
.dock-health-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
}

.dock-health-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.health-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.health-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.health-info {
    display: flex;
    align-items: center;
    gap: 10px;
}

.health-info i {
    font-size: 18px;
    color: var(--text-secondary);
}

.health-info span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.health-status {
    font-size: 11px;
    font-weight: 700;
    padding: 4px 10px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.health-status.good {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.health-status.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

/* ==================== */
/* Flight Planning Page */
/* ==================== */

.header-action-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--primary-green);
    color: white;
    border-radius: 10px;
    cursor: pointer;
    font-size: 16px;
    transition: all var(--transition-fast);
    box-shadow: var(--shadow-md);
}

.header-action-btn:active {
    transform: scale(0.95);
}

/* Map Container */
.map-container {
    height: 400px;
    background: var(--bg-tertiary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    position: relative;
    margin-bottom: 20px;
    box-shadow: var(--shadow-lg);
}

.map-view {
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 1;
}

/* Leaflet Map Customization */
.leaflet-container {
    height: 100%;
    width: 100%;
    border-radius: var(--border-radius-lg);
}

.leaflet-control-container {
    display: none;
}

.leaflet-popup-content-wrapper {
    background: white;
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-lg);
}

.leaflet-popup-content {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 12px;
}

/* Custom map styles for field boundary */
.field-boundary-path {
    stroke: var(--primary-green);
    stroke-width: 3;
    fill: rgba(16, 185, 129, 0.2);
    stroke-linejoin: round;
}

/* Flight path styling */
.flight-path-line {
    stroke: var(--secondary-blue);
    stroke-width: 2.5;
    stroke-dasharray: 8, 4;
    fill: none;
    animation: pathDraw 2s ease-out;
}

@keyframes pathDraw {
    from {
        stroke-dashoffset: 100;
    }
    to {
        stroke-dashoffset: 0;
    }
}

/* Custom markers */
.custom-marker {
    background: none;
    border: none;
}

.dock-marker-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--text-primary), #374151);
    color: white;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    box-shadow: var(--shadow-lg);
    border: 3px solid white;
    position: relative;
}

.dock-marker-icon::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
    border-top: 8px solid white;
}

.field-point-marker {
    width: 12px;
    height: 12px;
    background: var(--primary-green);
    border: 3px solid white;
    border-radius: 50%;
    box-shadow: var(--shadow-md);
}

.waypoint-marker {
    width: 8px;
    height: 8px;
    background: var(--secondary-blue);
    border: 2px solid white;
    border-radius: 50%;
    box-shadow: var(--shadow-sm);
}

.start-waypoint-marker {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #10b981, #059669);
    border: 3px solid white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.4);
}

.end-waypoint-marker {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #3b82f6, #2563eb);
    border: 3px solid white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 8px;
    font-weight: 700;
    color: white;
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.4);
}

/* Map loading indicator */
.map-loading {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 20px 32px;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    box-shadow: var(--shadow-lg);
    z-index: 1000;
}

.map-loading.hidden {
    display: none;
}

.loading-spinner {
    width: 32px;
    height: 32px;
    border: 3px solid var(--bg-tertiary);
    border-top-color: var(--primary-green);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.map-loading span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.drawing-instruction {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    padding: 16px 24px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    pointer-events: none;
    z-index: 500;
    transition: opacity var(--transition-normal);
}

.drawing-instruction.hidden {
    opacity: 0;
    pointer-events: none;
}

.drawing-instruction i {
    color: var(--primary-green);
    font-size: 18px;
    animation: bounce 2s ease-in-out infinite;
}

@keyframes bounce {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-5px);
    }
}

/* Map Controls */
.map-controls {
    position: absolute;
    top: 16px;
    right: 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.map-control-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: white;
    border-radius: 8px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-primary);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-fast);
}

.map-control-btn:active {
    transform: scale(0.95);
}

/* Drawing Tools */
.drawing-tools {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
}

.tools-header {
    margin-bottom: 16px;
}

.tools-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.tool-btn {
    padding: 16px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.tool-btn:active {
    transform: scale(0.98);
}

.tool-btn.active {
    border-color: var(--primary-green);
    background: rgba(16, 185, 129, 0.05);
}

.tool-btn i {
    font-size: 24px;
    color: var(--text-secondary);
}

.tool-btn.active i {
    color: var(--primary-green);
}

.tool-btn span {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

/* Field Info Panel */
.field-info-panel {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
}

.field-info-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.field-info-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.close-panel-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--bg-secondary);
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.close-panel-btn:hover {
    background: var(--bg-tertiary);
}

.field-stats {
    display: grid;
    gap: 12px;
}

.field-stat {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.field-stat i {
    font-size: 20px;
    color: var(--primary-green);
}

.field-stat-info {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.field-stat-info .label {
    font-size: 12px;
    color: var(--text-secondary);
    font-weight: 500;
}

.field-stat-info .value {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Flight Plan Panel */
.flight-plan-panel {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
}

.plan-header {
    margin-bottom: 20px;
}

.plan-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.plan-options {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 20px;
}

.option-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.option-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.option-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.option-btn {
    padding: 12px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    transition: all var(--transition-fast);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-primary);
}

.option-btn:active {
    transform: scale(0.98);
}

.option-btn.active {
    border-color: var(--primary-green);
    background: rgba(16, 185, 129, 0.05);
}

.option-btn i {
    font-size: 18px;
    color: var(--text-secondary);
}

.option-btn.active i {
    color: var(--primary-green);
}

.slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider {
    flex: 1;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--bg-tertiary);
    border-radius: 10px;
    outline: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    background: var(--primary-green);
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-md);
}

.slider::-moz-range-thumb {
    width: 20px;
    height: 20px;
    background: var(--primary-green);
    border-radius: 50%;
    cursor: pointer;
    border: none;
    box-shadow: var(--shadow-md);
}

.slider-value {
    min-width: 50px;
    text-align: right;
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

/* Chemical Mix Controls */
.chemical-mix-group {
    background: var(--bg-secondary);
    padding: 12px;
    border-radius: var(--border-radius-sm);
}

.mix-total {
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    margin: 6px 0 10px;
}

.mix-total.error {
    color: var(--error);
}

.mix-sliders {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.mix-row {
    display: grid;
    grid-template-columns: 60px 1fr 60px;
    align-items: center;
    gap: 8px;
}

.mix-label {
    font-size: 13px;
    font-weight: 700;
    color: var(--text-primary);
}

.generate-plan-btn {
    width: 100%;
    padding: 16px;
    border: none;
    background: linear-gradient(135deg, var(--primary-green), var(--primary-dark));
    color: white;
    border-radius: var(--border-radius-md);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: var(--shadow-lg);
    transition: all var(--transition-fast);
}

.generate-plan-btn:active {
    transform: scale(0.98);
}

/* Plan Summary */
.plan-summary {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 20px;
    box-shadow: var(--shadow-md);
    margin-bottom: 20px;
    border: 2px solid var(--primary-green);
}

.summary-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.summary-header h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.plan-status {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
}

.plan-status.ready {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.summary-stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 20px;
}

.summary-stat {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.summary-stat i {
    font-size: 18px;
    color: var(--primary-green);
}

.summary-stat div {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.summary-stat .value {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.summary-stat .label {
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

.mix-summary {
    margin-bottom: 16px;
}

.mix-summary h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.mix-summary-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 8px;
}

.mix-chip {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 12px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
    font-size: 12px;
    font-weight: 700;
    color: var(--text-primary);
}

.summary-waypoints {
    margin-bottom: 20px;
}

.summary-waypoints h4 {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.summary-waypoints i {
    color: var(--secondary-blue);
}

.waypoint-preview {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.waypoint {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
}

.waypoint.start .wp-num {
    background: var(--success);
}

.waypoint.end .wp-num {
    background: var(--secondary-blue);
}

.wp-num {
    width: 32px;
    height: 32px;
    background: var(--primary-green);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 700;
}

.wp-type {
    font-size: 10px;
    color: var(--text-secondary);
    font-weight: 600;
}

.waypoint-connector {
    flex: 1;
    height: 2px;
    background: var(--border-color);
    position: relative;
}

.waypoint-connector::after {
    content: '';
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid var(--border-color);
    border-top: 4px solid transparent;
    border-bottom: 4px solid transparent;
}

.summary-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.action-btn.secondary {
    background: white;
    border: 2px solid var(--primary-green);
    color: var(--primary-green);
}

.action-btn.primary {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-dark));
    color: white;
}

/* Plan Actions */
.plan-actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.plan-action-btn {
    padding: 12px;
    border: 2px solid var(--border-color);
    background: white;
    border-radius: var(--border-radius-md);
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: all var(--transition-fast);
}

.plan-action-btn:active {
    transform: scale(0.98);
}

.plan-action-btn.clear {
    border-color: var(--error);
    color: var(--error);
}

.plan-action-btn.finish {
    border-color: var(--primary-green);
    color: var(--primary-green);
}

/* ==================== */
/* Settings Page */
/* ==================== */

.settings-section {
    margin-bottom: 32px;
}

.settings-section h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.profile-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 16px;
    box-shadow: var(--shadow-md);
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.profile-card:active {
    transform: scale(0.98);
}

.profile-avatar {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--primary-green), var(--secondary-blue));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 24px;
    flex-shrink: 0;
}

.profile-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.profile-name {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
}

.profile-email {
    font-size: 13px;
    color: var(--text-secondary);
}

.profile-card > i {
    color: var(--text-tertiary);
    font-size: 18px;
}

.settings-list {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.setting-item {
    padding: 16px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: background var(--transition-fast);
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    border-bottom: none;
}

.setting-item:active {
    background: var(--bg-secondary);
}

.setting-info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.setting-info i {
    font-size: 18px;
    color: var(--text-secondary);
}

.setting-info span {
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
}

.setting-item > i {
    color: var(--text-tertiary);
}

.setting-value {
    font-size: 14px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Toggle Switch */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 28px;
    display: inline-block;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    border-radius: 28px;
    transition: var(--transition-fast);
}

.toggle-slider::before {
    position: absolute;
    content: '';
    height: 22px;
    width: 22px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: var(--transition-fast);
    box-shadow: var(--shadow-sm);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary-green);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(20px);
}

/* ==================== */
/* Bottom Navigation */
/* ==================== */

.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    padding: 8px 0;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.1);
    z-index: 100;
}

.nav-item {
    border: none;
    background: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 8px;
    cursor: pointer;
    transition: all var(--transition-fast);
    color: var(--text-secondary);
}

.nav-item i {
    font-size: 22px;
}

.nav-item span {
    font-size: 11px;
    font-weight: 600;
}

.nav-item.active {
    color: var(--primary-green);
}

.nav-item:active {
    transform: scale(0.95);
}

/* ==================== */
/* Notification Panel */
/* ==================== */

.notification-panel {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    max-width: 480px;
    height: 100vh;
    background: var(--bg-primary);
    box-shadow: var(--shadow-xl);
    z-index: 200;
    transition: right var(--transition-normal);
    overflow-y: auto;
}

.notification-panel.active {
    right: 0;
}

.notification-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-primary);
    position: sticky;
    top: 0;
    z-index: 10;
}

.notification-header h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--text-primary);
}

.close-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--bg-secondary);
    border-radius: 8px;
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
}

.close-btn:hover {
    background: var(--bg-tertiary);
}

.notification-list {
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.notification-item {
    background: var(--bg-card);
    border-radius: var(--border-radius-md);
    padding: 16px;
    display: flex;
    gap: 12px;
    box-shadow: var(--shadow-sm);
    border-left: 4px solid;
}

.notification-item.warning {
    border-left-color: var(--warning);
}

.notification-item.info {
    border-left-color: var(--info);
}

.notification-item.success {
    border-left-color: var(--success);
}

.notification-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    flex-shrink: 0;
}

.notification-item.warning .notification-icon {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
}

.notification-item.info .notification-icon {
    background: rgba(59, 130, 246, 0.1);
    color: var(--info);
}

.notification-item.success .notification-icon {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
}

.notification-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.notification-title {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
}

.notification-text {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.notification-time {
    font-size: 11px;
    color: var(--text-tertiary);
    margin-top: 4px;
}

/* ==================== */
/* Overlay */
/* ==================== */

.overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(4px);
    z-index: 150;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.overlay.active {
    opacity: 1;
    pointer-events: all;
}

/* ==================== */
/* Modal */
/* ==================== */

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 300;
    padding: 20px;
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-normal);
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    max-width: 400px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideUp 0.3s ease-out;
}

@keyframes modalSlideUp {
    from {
        transform: translateY(20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
}

.preflight-checklist h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 16px;
}

.checklist-items {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.checklist-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-sm);
}

.checklist-item i {
    font-size: 18px;
}

.checklist-item.checked i {
    color: var(--success);
}

.checklist-item span {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
}

.modal-footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

.modal-btn {
    padding: 14px;
    border: none;
    border-radius: var(--border-radius-md);
    font-size: 15px;
    font-weight: 700;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.modal-btn:active {
    transform: scale(0.98);
}

.modal-btn.cancel {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.modal-btn.confirm {
    background: linear-gradient(135deg, var(--primary-green), var(--primary-dark));
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: var(--shadow-md);
}

/* ==================== */
/* Responsive Design */
/* ==================== */

@media (max-width: 380px) {
    .stats-grid.secondary {
        grid-template-columns: 1fr;
    }
    
    .tools-grid {
        grid-template-columns: 1fr;
    }
    
    .option-buttons {
        grid-template-columns: 1fr;
    }
}

@media (min-width: 481px) {
    .app-container {
        box-shadow: 0 0 60px rgba(0, 0, 0, 0.15);
    }
}

/* ==================== */
/* Utility Classes */
/* ==================== */

.text-center {
    text-align: center;
}

.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }

/* ==================== */
/* Scrollbar Styling */
/* ==================== */

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-tertiary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-tertiary);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}