/* ========================================
   SOCIAL TRACKER - MAIN STYLESHEET
   Спокойные цвета, крупные элементы
======================================== */

/* ========== CSS VARIABLES ========== */
:root {
    /* Основные цвета (спокойные) */
    --primary: #5B9BD5;           /* Спокойный голубой */
    --primary-dark: #4A8ABF;      
    --primary-light: #E8F4F8;
    
    --secondary: #70AD47;         /* Мягкий зелёный */
    --secondary-dark: #5E9139;
    --secondary-light: #F0F8E8;
    
    /* Акценты */
    --accent: #FFC000;            /* Тёплый жёлтый */
    --danger: #ED7D31;            /* Мягкий оранжевый */
    --success: #70AD47;
    --warning: #FFC000;
    --info: #5B9BD5;
    
    /* Нейтральные */
    --light: #F2F2F2;
    --white: #FFFFFF;
    --dark: #404040;
    --gray: #808080;
    --gray-light: #CCCCCC;
    --border-color: #E0E0E0;
    
    /* Градиенты */
    --gradient-primary: linear-gradient(135deg, #5B9BD5, #70AD47);
    --gradient-soft: linear-gradient(135deg, #E8F4F8, #F0F8E8);
    --gradient-sunset: linear-gradient(135deg, #FFC000, #ED7D31);
    
    /* Тени */
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.08);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.12);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.16);
    --shadow-xl: 0 20px 60px rgba(0,0,0,0.2);
    
    /* Transitions */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s ease;
    
    /* Typography */
    --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', sans-serif;
    --font-size-base: 16px;
    --font-size-lg: 18px;
    --font-size-xl: 24px;
    --font-size-sm: 14px;
    --font-size-xs: 12px;
    
    /* Spacing */
    --spacing-xs: 4px;
    --spacing-sm: 8px;
    --spacing-md: 16px;
    --spacing-lg: 24px;
    --spacing-xl: 32px;
    
    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-full: 9999px;
}

/* ========== DARK THEME SUPPORT ========== */
.dark-theme {
    --primary: #6AAAE0;
    --secondary: #85C55A;
    --light: #2C2C2C;
    --white: #1C1C1C;
    --dark: #E0E0E0;
    --gray: #A0A0A0;
    --border-color: #3C3C3C;
}

/* ========== RESET & BASE ========== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: var(--font-size-base);
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-family);
    background: var(--light);
    color: var(--dark);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--dark);
}

h1 { font-size: 36px; }
h2 { font-size: 28px; }
h3 { font-size: 24px; }
h4 { font-size: 20px; }
h5 { font-size: 18px; }
h6 { font-size: 16px; }

p {
    margin-bottom: var(--spacing-md);
    line-height: 1.6;
}

a {
    color: var(--primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* ========== APP LAYOUT ========== */
.app-container {
    display: grid;
    grid-template-columns: 1fr;
    min-height: 100vh;
    background: var(--light);
}

/* ========== HEADER ========== */
.app-header {
    position: relative;
    height: 80px;
    background: var(--gradient-primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--spacing-lg);
    box-shadow: var(--shadow-md);
    z-index: 100;
    overflow: hidden;
}

/* ========== ANIMATED BACKGROUND (как в коммерческой версии) ========== */
.scan-line {
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 2px;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.6), transparent);
    animation: scan 3s linear infinite;
}

@keyframes scan {
    0% { left: -100%; }
    100% { left: 100%; }
}

.road-grid {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(255,255,255,0.05) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,0.05) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: roadMove 20s linear infinite;
    opacity: 0.3;
}

@keyframes roadMove {
    0% { transform: translateY(0); }
    100% { transform: translateY(50px); }
}

.gps-dots {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.gps-dot {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255,255,255,0.6);
    border-radius: 50%;
    animation: float 4s ease-in-out infinite;
}

.gps-dot:nth-child(1) { top: 20%; left: 10%; animation-delay: 0s; }
.gps-dot:nth-child(2) { top: 60%; left: 30%; animation-delay: 1s; }
.gps-dot:nth-child(3) { top: 40%; left: 70%; animation-delay: 2s; }
.gps-dot:nth-child(4) { top: 80%; left: 50%; animation-delay: 3s; }
.gps-dot:nth-child(5) { top: 30%; left: 90%; animation-delay: 0.5s; }

@keyframes float {
    0%, 100% { transform: translateY(0) scale(1); opacity: 0.6; }
    50% { transform: translateY(-20px) scale(1.5); opacity: 1; }
}

.connection-wave {
    position: absolute;
    bottom: 0;
    left: -50%;
    width: 200%;
    height: 100px;
    background: radial-gradient(ellipse at center, rgba(255,255,255,0.1), transparent);
    animation: wave 8s ease-in-out infinite;
}

.connection-wave:nth-child(2) {
    animation-delay: -4s;
}

@keyframes wave {
    0%, 100% { transform: translateX(0) translateY(0); }
    50% { transform: translateX(25%) translateY(-10px); }
}

/* ========== LOGO ========== */
.app-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    font-size: 24px;
    font-weight: 700;
    position: relative;
    z-index: 10;
}

.app-logo img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: white;
    padding: 8px;
    box-shadow: var(--shadow-md);
}

/* ========== HEADER ACTIONS ========== */
.header-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    position: relative;
    z-index: 10;
}

.header-btn {
    padding: 10px 20px;
    background: rgba(255,255,255,0.2);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-lg);
    color: white;
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.header-btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.header-btn:hover::before {
    width: 300px;
    height: 300px;
}

.header-btn:hover {
    background: rgba(255,255,255,0.3);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.header-btn:active {
    transform: translateY(0);
}

/* Alarm Badge */
.alarm-badge {
    position: relative;
}

.badge-count {
    position: absolute;
    top: -8px;
    right: -8px;
    background: var(--danger);
    color: white;
    font-size: 11px;
    font-weight: 700;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    min-width: 20px;
    text-align: center;
    box-shadow: 0 2px 8px rgba(237,125,49,0.4);
    animation: pulse-badge 2s infinite;
}

@keyframes pulse-badge {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Connection Status */
.connection-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: rgba(255,255,255,0.15);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    font-size: 14px;
}

.connection-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 12px var(--success);
    animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.connection-status.offline .connection-dot {
    background: var(--danger);
    box-shadow: 0 0 12px var(--danger);
}

/* Mobile Toggle */
.mobile-toggle {
    display: none;
    width: 44px;
    height: 44px;
    background: rgba(255,255,255,0.2);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: var(--radius-md);
    color: white;
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
}

.mobile-toggle:hover {
    background: rgba(255,255,255,0.3);
}

@media (max-width: 768px) {
    .mobile-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .header-actions {
        gap: var(--spacing-sm);
    }
    
    .header-btn {
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .app-logo span {
        display: none;
    }
}

/* ========== MAIN CONTENT ========== */
.main-content {
    padding: var(--spacing-xl);
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
}

/* ========== CARDS ========== */
.card {
    background: white;
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.card-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--dark);
}

.card-body {
    padding: 0;
}

/* ========== BUTTONS ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: rgba(255,255,255,0.3);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn:hover::before {
    width: 300px;
    height: 300px;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: 0 4px 12px rgba(91,155,213,0.3);
}

.btn-secondary {
    background: var(--secondary);
    color: white;
    box-shadow: 0 4px 12px rgba(112,173,71,0.3);
}

.btn-danger {
    background: var(--danger);
    color: white;
    box-shadow: 0 4px 12px rgba(237,125,49,0.3);
}

.btn-warning {
    background: var(--warning);
    color: var(--dark);
    box-shadow: 0 4px 12px rgba(255,192,0,0.3);
}

.btn-light {
    background: var(--light);
    color: var(--dark);
    border: 1px solid var(--border-color);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border: 2px solid var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: white;
}

.btn-sm {
    padding: 8px 16px;
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: 16px 32px;
    font-size: var(--font-size-lg);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* ========== FORMS ========== */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-label {
    display: block;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-sm);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    background: white;
    color: var(--dark);
    transition: var(--transition);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(91,155,213,0.1);
}

.form-input::placeholder {
    color: var(--gray);
}

.form-textarea {
    min-height: 120px;
    resize: vertical;
}

.form-error {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--danger);
}

.form-help {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: var(--font-size-sm);
    color: var(--gray);
}

/* Checkbox & Radio */
.form-checkbox,
.form-radio {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"],
.form-radio input[type="radio"] {
    width: 20px;
    height: 20px;
    cursor: pointer;
    accent-color: var(--primary);
}

/* ========== MAP CONTAINER ========== */
.map-container {
    position: relative;
    width: 100%;
    height: calc(100vh - 80px);
    background: #E5E3DF;
}

#mainMap {
    width: 100%;
    height: 100%;
}

.map-controls {
    position: absolute;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    z-index: 500;
}

.map-btn {
    width: 48px;
    height: 48px;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-size: 20px;
    cursor: pointer;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.map-btn:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.1);
}

.map-legend {
    position: absolute;
    top: var(--spacing-lg);
    left: var(--spacing-lg);
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    z-index: 500;
}

.legend-title {
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
    color: var(--dark);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
}

.legend-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    box-shadow: 0 0 8px currentColor;
}

/* ========== MODAL ========== */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.6);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal.hidden {
    display: none;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow: hidden;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

.modal-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--dark);
}

.modal-close {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--light);
    color: var(--gray);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--danger);
    color: white;
    transform: rotate(90deg);
}

.modal-body {
    padding: var(--spacing-lg);
    overflow-y: auto;
    max-height: calc(90vh - 160px);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* ========== ALERTS ========== */
.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    border-left: 4px solid;
}

.alert-icon {
    font-size: 24px;
    flex-shrink: 0;
}

.alert-content {
    flex: 1;
}

.alert-title {
    font-weight: 700;
    margin-bottom: var(--spacing-xs);
}

.alert-message {
    font-size: var(--font-size-sm);
    line-height: 1.5;
}

.alert-info {
    background: var(--primary-light);
    border-left-color: var(--info);
    color: var(--dark);
}

.alert-success {
    background: var(--secondary-light);
    border-left-color: var(--success);
    color: var(--dark);
}

.alert-warning {
    background: #FFF3E0;
    border-left-color: var(--warning);
    color: var(--dark);
}

.alert-danger {
    background: #FFEBEE;
    border-left-color: var(--danger);
    color: var(--dark);
}

/* ========== LOADING SPINNER ========== */
.spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--light);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--gray);
}

.loading-state .spinner {
    margin: 0 auto var(--spacing-md);
}

/* ========== EMPTY STATE ========== */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--gray);
}

.empty-state-icon {
    font-size: 64px;
    margin-bottom: var(--spacing-md);
    opacity: 0.5;
}

/* ========== GEOFENCE STYLES ========== */
.geofence-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.geofence-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-md);
    background: var(--light);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.geofence-item:hover {
    background: var(--primary-light);
    transform: translateX(4px);
}

.geofence-name {
    font-weight: 600;
    color: var(--dark);
    margin-bottom: var(--spacing-xs);
}

.geofence-details {
    font-size: var(--font-size-sm);
    color: var(--gray);
}

.geofence-actions {
    display: flex;
    gap: var(--spacing-sm);
}

/* ========== SENSOR DISPLAY ========== */
.sensor-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.sensor-card {
    background: var(--gradient-soft);
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.sensor-card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
}

.sensor-icon {
    font-size: 48px;
    margin-bottom: var(--spacing-md);
}

.sensor-label {
    font-size: var(--font-size-sm);
    color: var(--gray);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-xs);
}

.sensor-value {
    font-size: 28px;
    font-weight: 700;
    color: var(--dark);
}

.sensor-card.active {
    background: var(--secondary-light);
    border-color: var(--success);
}

.sensor-card.inactive {
    background: #FFEBEE;
    border-color: var(--danger);
}

.sensor-card.warning {
    background: #FFF3E0;
    border-color: var(--warning);
}

/* ========== RESPONSIVE DESIGN ========== */
@media (max-width: 768px) {
    .app-header {
        height: 60px;
        padding: 0 var(--spacing-md);
    }
    
    .main-content {
        padding: var(--spacing-md);
    }
    
    .card {
        padding: var(--spacing-md);
    }
    
    .sensor-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .map-container {
        height: calc(100vh - 60px);
    }
    
    .modal-content {
        width: 95%;
    }
}

@media (max-width: 480px) {
    h1 { font-size: 28px; }
    h2 { font-size: 24px; }
    h3 { font-size: 20px; }
    
    .btn {
        padding: 10px 16px;
        font-size: var(--font-size-sm);
    }
    
    .sensor-grid {
        grid-template-columns: 1fr;
    }
}

/* ========== UTILITY CLASSES ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--spacing-sm); }
.mt-md { margin-top: var(--spacing-md); }
.mt-lg { margin-top: var(--spacing-lg); }

.mb-sm { margin-bottom: var(--spacing-sm); }
.mb-md { margin-bottom: var(--spacing-md); }
.mb-lg { margin-bottom: var(--spacing-lg); }

.p-sm { padding: var(--spacing-sm); }
.p-md { padding: var(--spacing-md); }
.p-lg { padding: var(--spacing-lg); }

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* ========== ANIMATIONS ========== */
.fade-in {
    animation: fadeIn 0.5s ease;
}

.slide-in-up {
    animation: slideUp 0.5s ease;
}

.scale-in {
    animation: scaleIn 0.3s ease;
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ========== PRINT STYLES ========== */
@media print {
    .app-header,
    .header-actions,
    .map-controls,
    .modal-close,
    .btn {
        display: none;
    }
    
    .card {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}