:root {
    --bg-main: #f2f6ff;
    --bg-soft: #ffffff;
    --bg-glass: rgba(255, 255, 255, 0.74);
    --text-main: #11203e;
    --text-muted: #4f6184;
    --primary: #3a6df0;
    --primary-strong: #1f4fe0;
    --accent: #1bc7c7;
    --border-soft: #dbe6ff;
    --shadow-card: 0 20px 45px rgba(34, 65, 145, 0.15);
    --danger: #dc4d68;
    --success: #2a9d8f;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Inter", "Segoe UI", system-ui, -apple-system, sans-serif;
}

body {
    min-height: 100vh;
    background:
        radial-gradient(circle at 8% 10%, rgba(58, 109, 240, 0.18), transparent 35%),
        radial-gradient(circle at 88% 15%, rgba(27, 199, 199, 0.2), transparent 32%),
        linear-gradient(160deg, #eff4ff 0%, #edf9ff 45%, #f5f6ff 100%);
    color: var(--text-main);
    padding: 24px;
    transition: background 0.35s ease, color 0.35s ease;
}

body.dark-mode {
    --bg-main: #071328;
    --bg-soft: #101f3b;
    --bg-glass: rgba(16, 31, 59, 0.78);
    --text-main: #e8f0ff;
    --text-muted: #b2c2e8;
    --primary: #7aa7ff;
    --primary-strong: #92b5ff;
    --accent: #49dbd2;
    --border-soft: rgba(146, 181, 255, 0.28);
    --shadow-card: 0 24px 48px rgba(0, 0, 0, 0.45);
    background:
        radial-gradient(circle at 12% 14%, rgba(73, 136, 255, 0.28), transparent 38%),
        radial-gradient(circle at 90% 2%, rgba(73, 219, 210, 0.18), transparent 34%),
        linear-gradient(145deg, #020812, #08162e 55%, #111c35 100%);
}

.header {
    max-width: 1180px;
    margin: 0 auto 24px;
    padding: 28px;
    border-radius: 24px;
    background: var(--bg-glass);
    border: 1px solid var(--border-soft);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-card);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.header h1 {
    font-size: clamp(1.9rem, 2.6vw, 3rem);
    letter-spacing: -0.04em;
    color: var(--text-main);
    margin-bottom: 8px;
}

.header p {
    color: var(--text-muted);
    font-size: 1rem;
    max-width: 640px;
}

.dark-mode-toggle {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    border: 1px solid var(--border-soft);
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    cursor: pointer;
    display: grid;
    place-items: center;
    font-size: 1.2rem;
    box-shadow: 0 14px 30px rgba(58, 109, 240, 0.35);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.dark-mode-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 20px 30px rgba(58, 109, 240, 0.4);
}

.conteneur {
    max-width: 1180px;
    margin: 0 auto;
    padding: clamp(20px, 3vw, 34px);
    border-radius: 28px;
    background: var(--bg-glass);
    border: 1px solid var(--border-soft);
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-card);
}

.formulaire-container {
    display: grid;
    gap: 22px;
    grid-template-columns: 1.2fr 1fr;
}

.section-principale,
.section-options {
    border-radius: 20px;
    background: var(--bg-soft);
    border: 1px solid var(--border-soft);
    padding: clamp(20px, 2vw, 26px);
}

.section-titre {
    font-size: 1rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: 18px;
}

.groupe-formulaire {
    margin-bottom: 18px;
}

label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--text-main);
}

input,
select {
    width: 100%;
    padding: 13px 14px;
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    background: color-mix(in srgb, var(--bg-main) 84%, white 16%);
    color: var(--text-main);
    font-size: 0.98rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

input::placeholder {
    color: color-mix(in srgb, var(--text-muted) 72%, #fff 28%);
}

input:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px color-mix(in srgb, var(--primary) 20%, transparent 80%);
}

.indication {
    margin-top: 7px;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.jours-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.jour-btn {
    width: auto;
    min-width: 42px;
    border-radius: 999px;
    margin-top: 0;
    padding: 8px 12px;
    border: 1px solid var(--border-soft);
    background: var(--bg-main);
    color: var(--text-main);
    font-weight: 600;
    text-transform: none;
    letter-spacing: 0;
}

.jour-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: #fff;
    border-color: transparent;
}

.options-grid {
    display: grid;
    gap: 12px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 10px;
    background: var(--bg-main);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    padding: 12px;
}

.checkbox-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
}

.checkbox-group label {
    margin: 0;
    font-weight: 500;
    color: var(--text-main);
}

button {
    border: none;
    border-radius: 14px;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease, opacity 0.2s ease;
}

#bouton-recherche {
    margin-top: 22px;
    padding: 15px;
    width: 100%;
    color: #fff;
    font-weight: 700;
    letter-spacing: 0.02em;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    box-shadow: 0 18px 30px rgba(58, 109, 240, 0.35);
}

button:hover:not(:disabled) {
    transform: translateY(-2px);
}

button:disabled {
    opacity: 0.45;
    cursor: not-allowed;
}

.resultats-container {
    margin-top: 28px;
    display: none;
}

.resultats-container.visible {
    display: block;
    animation: fadeIn 0.35s ease;
}

.loading {
    text-align: center;
    color: var(--text-muted);
    padding: 22px;
}

.spinner {
    border: 3px solid color-mix(in srgb, var(--primary) 15%, transparent 85%);
    border-top: 3px solid var(--primary);
    border-radius: 50%;
    width: 32px;
    height: 32px;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 10px;
}

.infos-commune,
.carte-container,
.carte-jour {
    background: var(--bg-soft);
    border: 1px solid var(--border-soft);
    border-radius: 18px;
    box-shadow: 0 14px 28px rgba(20, 44, 105, 0.08);
}

.infos-commune,
.carte-container {
    padding: 18px;
    margin-bottom: 16px;
}

.commune-nom {
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.coords-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 10px;
}

.coord-item,
.donnee-item {
    background: var(--bg-main);
    border: 1px solid var(--border-soft);
    border-radius: 12px;
    padding: 10px;
    text-align: center;
}

.previsions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
    gap: 14px;
}

.carte-jour {
    padding: 16px;
}

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

.jour-date {
    font-weight: 700;
    color: var(--text-main);
}

.weather-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: color-mix(in srgb, var(--primary) 14%, var(--bg-main) 86%);
    display: grid;
    place-items: center;
}

.meteo-donnees {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.donnee-label {
    font-size: 0.72rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.donnee-valeur {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-main);
}

.erreur-message {
    background: color-mix(in srgb, var(--danger) 12%, var(--bg-soft) 88%);
    border: 1px solid color-mix(in srgb, var(--danger) 35%, transparent 65%);
    border-radius: 16px;
    text-align: center;
    padding: 28px;
}

.erreur-titre {
    color: var(--danger);
    margin-bottom: 8px;
}

.carte {
    height: 380px;
    width: 100%;
    border-radius: 14px;
    border: 1px solid var(--border-soft);
}

.carte-legende {
    text-align: center;
    margin-top: 10px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.leaflet-popup-content-wrapper,
.leaflet-popup-tip {
    background: var(--bg-soft) !important;
    color: var(--text-main) !important;
}

.leaflet-popup-content {
    color: var(--text-main) !important;
}

select option {
    color: #0d1f42;
}

@media (max-width: 900px) {
    .header {
        flex-direction: column;
        align-items: flex-start;
    }

    .formulaire-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    body {
        padding: 14px;
    }

    .header,
    .conteneur {
        border-radius: 20px;
    }

    .meteo-donnees {
        grid-template-columns: 1fr;
    }

    .carte {
        height: 300px;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(4px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}