/* Styles globaux et variables de thème */
:root {
    --bg: #e0e5ec;
    --card-bg: #e0e5ec;
    --text: #333333;
    --muted: #6b7280;
    --border: rgba(0,0,0,0.06);
    --input-bg: rgba(255,255,255,0.7);
    --input-border: rgba(0,0,0,0.08);
    --analog-bg: rgba(255,255,255,0.1);
    --analog-border: rgba(0,0,0,0.06);
    --hand-color: #333333;
    --dial-number: #555555;
    --accent: #3b82f6;
}

body {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    color: var(--text);
    font-family: 'Segoe UI', 'Roboto', 'Arial', sans-serif;
    margin: 0;
    padding: 20px;
    overflow: auto;
    transition: background-image 0.5s ease, background-color 0.5s ease;
    background-color: var(--bg);
}

#app-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    width: 100%;
    max-width: 1200px;
}

header#controls {
    display: flex;
    justify-content: center;
    gap: 30px;
    width: 100%;
    padding: 15px;
    background: var(--card-bg);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
}

.control-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
}

.control-group label {
    font-size: 0.9em;
    color: var(--muted);
    font-weight: 500;
}

.control-group select, 
.control-group button {
    padding: 10px 15px;
    border-radius: 8px;
    border: 1px solid var(--input-border, rgba(0,0,0,0.08));
    background-color: var(--input-bg, rgba(255,255,255,0.7));
    color: var(--text);
    font-size: 0.9em;
    cursor: pointer;
    outline: none;
    transition: all 0.3s ease;
}

.control-group select:hover,
.control-group button:hover {
    filter: brightness(0.98);
}

.control-group select option {
    background-color: #333;
    color: #fff;
}

/* City input/button removed — styles omitted */

/* Styles pour l'horloge locale */
#local-clock-section {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 25px;
    backdrop-filter: blur(15px);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 600px;
    margin-bottom: 30px;
    text-align: center;
}

#local-clock-section h3 {
    margin: 0 0 20px 0;
    color: var(--text);
    font-size: 1.6em;
    font-weight: 600;
}

.clock-section .clock-pair {
    display: flex;
    gap: 30px;
    justify-content: space-around;
    margin-bottom: 20px;
}

.clock-section .clock-group {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
    flex: 1;
}

.clock-section .clock-group h4 {
    margin: 0;
    color: var(--text);
    font-size: 1.1em;
    font-weight: 500;
}

.clock-section .analog-clock-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 15px;
}

.clock-section .analog-clock {
    width: 150px;
    height: 150px;
    position: relative;
    border-radius: 50%;
    background: var(--analog-bg);
    border: 3px solid var(--analog-border);
    backdrop-filter: blur(10px);
}

.clock-section .digital-time {
    font-size: 1.2em;
    font-weight: 600;
    color: var(--text);
    font-family: 'Courier New', monospace;
    padding: 10px 15px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    border: 1px solid var(--border);
    min-width: 120px;
    text-align: center;
}

.location-info {
    font-size: 0.9em;
    color: var(--muted);
    margin-top: 15px;
    font-style: italic;
}

#date-display {
    font-size: 1.1em;
    color: rgba(255, 255, 255, 0.8);
    text-align: center;
    margin: 20px 0;
    font-weight: 500;
}

/* Style pour chaque carte d'horloge de ville */
.city-clock-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 25px;
    backdrop-filter: blur(15px);
    border: 1px solid var(--border);
    width: 100%;
    max-width: 400px;
    position: relative;
    transition: all 0.3s ease;
}

.city-clock-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.city-header {
    text-align: center;
    margin-bottom: 20px;
    position: relative;
}

.city-name {
    font-size: 1.4em;
    font-weight: 600;
    color: var(--text);
    margin-bottom: 5px;
}

.city-date {
    font-size: 0.9em;
    color: var(--muted);
}

/* .remove-city-button styles removed (no longer used) */

/* Container des deux horloges (décimal et standard) */
.dual-clocks-container {
    display: flex;
    gap: 20px;
    justify-content: space-around;
    margin-bottom: 20px;
}

/* Style des horloges analogiques */
.analog-clock-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    flex: 1;
}

.analog-clock {
    width: 120px;
    height: 120px;
    position: relative;
    border-radius: 50%;
    background: var(--analog-bg);
    border: 2px solid var(--analog-border);
    backdrop-filter: blur(10px);
}

.clock-face {
    width: 100%;
    height: 100%;
    position: relative;
    border-radius: 50%;
}

/* Numéros sur le cadran */
.clock-number {
    position: absolute;
    color: var(--dial-number);
    font-size: 11px;
    font-weight: 700;
    transform-origin: center;
    text-align: center;
    width: 16px;
    height: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    text-shadow: 0 0 2px rgba(0, 0, 0, 0.08);
    user-select: none;
    z-index: 5;
}

/* Aiguilles */
.hand {
    position: absolute;
    background: var(--hand-color);
    transform-origin: bottom center;
    border-radius: 2px;
    transition: transform 0.1s ease-out;
    left: 50%;
    z-index: 3;
}

.hour-hand {
    width: 4px;
    height: 35px;
    top: calc(50% - 35px);
    margin-left: -2px;
    background: var(--hand-color);
}

.minute-hand {
    width: 3px;
    height: 45px;
    top: calc(50% - 45px);
    margin-left: -1.5px;
    background: var(--hand-color);
}

.second-hand {
    width: 1px;
    height: 50px;
    top: calc(50% - 50px);
    margin-left: -0.5px;
    background: #ff4757;
    z-index: 4;
}

.center-dot {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: var(--hand-color);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 10;
}

/* Labels des horloges */
.clock-label {
    font-size: 0.85em;
    color: var(--muted);
    text-align: center;
    font-weight: 500;
}

/* Affichage numérique */
.digital-time-container {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.digital-time {
    text-align: center;
    padding: 8px 12px;
    background: rgba(0, 0, 0, 0.02);
    border-radius: 8px;
    border: 1px solid var(--border);
}

.digital-time .time-type {
    font-size: 0.8em;
    color: var(--muted);
    margin-bottom: 2px;
}

.digital-time .time-value {
    font-size: 1.1em;
    font-weight: 600;
    color: var(--text);
    font-family: 'Courier New', monospace;
}

/* Container principal des horloges */
#city-clocks-container {
    display: none; /* Container for city clocks removed; kept hidden in case of future reuse */
}

/* Styles pour les nouvelles fonctionnalités interactives */
section#interactive-features {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 30px;
    margin-top: 30px;
    width: 100%;
}

#system-comparison {
    width: 100%;
    padding: 20px;
    background: var(--card-bg);
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
}

#system-comparison h3 {
    text-align: center;
    margin-bottom: 20px;
    color: var(--text);
    font-size: 1.4em;
}

#system-comparison table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 15px;
}

#system-comparison th,
#system-comparison td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid var(--border);
    color: var(--text);
}

#system-comparison th {
    background-color: rgba(0,0,0,0.03);
    font-weight: 600;
    color: var(--text);
}

/* --- Thème Neumorphism (seul thème conservé) --- */
body.theme-neumorphism {
    background-color: #e0e5ec;
    color: #555;
}

.theme-neumorphism .city-clock-card {
    background: #e0e5ec;
    box-shadow: 9px 9px 16px #a3b1c6, -9px -9px 16px #ffffff;
    border: none;
}

.theme-neumorphism .city-name {
    color: #3b82f6;
}

.theme-neumorphism .city-date {
    color: #6b7280;
}

.theme-neumorphism .clock-label {
    color: #888;
}

.theme-neumorphism .digital-time .time-type {
    color: #888;
}

.theme-neumorphism .digital-time .time-value {
    color: #555;
}


/* Control-group and input/button styles removed (UI simplified) */

.theme-neumorphism .clock-number {
    color: #555;
    text-shadow: 1px 1px 1px #ffffff;
}

.theme-neumorphism #local-clock-section {
    background: #e0e5ec;
    box-shadow: 9px 9px 16px #a3b1c6, -9px -9px 16px #ffffff;
    border: none;
}

/* Color variables for Neumorphism light theme (applied when body has .theme-neumorphism) */
body.theme-neumorphism {
    --bg: #e0e5ec;
    --card-bg: #e0e5ec;
    --text: #555555;
    --muted: #888888;
    --hand-color: #333333;
    --dial-number: #555555;
    --accent: #3b82f6;
    background-color: var(--bg);
    color: var(--text);
}

/* Dark-mode automatic switch: prefers-color-scheme */
@media (prefers-color-scheme: dark) {
    body.theme-neumorphism {
        --bg: #0f1720;
        --card-bg: rgba(18, 20, 24, 0.8);
        --text: #e6eef6;
        --muted: rgba(230,230,230,0.7);
        --hand-color: #f3f4f6;
        --dial-number: #e6eef6;
        --accent: #60a5fa;
        background-color: var(--bg);
        color: var(--text);
    }

    /* Cards and containers */
    .theme-neumorphism #local-clock-section,
    #system-comparison {
        background: var(--card-bg);
        border: 1px solid rgba(255,255,255,0.06);
        box-shadow: none;
    }

    .theme-neumorphism .digital-time {
        background: rgba(255,255,255,0.03);
        border: 1px solid rgba(255,255,255,0.06);
        color: var(--text);
    }

    .control-group label,
    .clock-section .clock-group h4,
    #system-comparison th,
    #system-comparison td,
    .city-name,
    .city-date,
    .clock-label,
    .location-info,
    #date-display {
        color: var(--text);
    }

    .analog-clock {
        background: rgba(255,255,255,0.03);
        border-color: rgba(255,255,255,0.06);
    }
}

.theme-neumorphism #local-clock-section h3 {
    color: #555;
}

.theme-neumorphism .clock-section .clock-group h4 {
    color: #666;
}

.theme-neumorphism .clock-section .digital-time {
    background: #e0e5ec;
    color: #555;
    box-shadow: inset 2px 2px 5px #b8c6d9, inset -2px -2px 5px #ffffff;
    border: none;
}

/* Responsive */
@media (max-width: 768px) {
    .clock-section .clock-pair {
        flex-direction: column;
        gap: 20px;
    }
    
    .dual-clocks-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .clock-section .analog-clock {
        width: 120px;
        height: 120px;
    }
    
    .analog-clock {
        width: 100px;
        height: 100px;
    }
    
    header#controls {
        flex-direction: column;
        gap: 15px;
    }
    
    #city-clocks-container {
        grid-template-columns: 1fr;
    }
}