* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #6c5ce7;
    --secondary-color: #a29bfe;
    --background: #1a1a2e;
    --surface: #16213e;
    --text-primary: #ffffff;
    --text-secondary: #a5a5a5;
    --success: #00b894;
    --warning: #fdcb6e;
    --danger: #d63031;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--background);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 20px;
}

/* Mobile/Desktop visibility helpers */
.mobile-only {
    display: none;
}

.desktop-only {
    display: block;
}

@media (max-width: 768px) {
    .mobile-only {
        display: block;
    }

    .desktop-only {
        display: none !important;
    }
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

/* Header utilisateur */
.app-header {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 100;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 15px;
    background: var(--surface);
    padding: 10px 20px;
    border-radius: 50px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.user-info span {
    color: var(--text-primary);
    font-size: 0.9rem;
}

.logout-btn {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--text-primary);
    padding: 8px 16px;
    border-radius: 20px;
    cursor: pointer;
    font-size: 0.85rem;
    transition: all 0.3s;
}

.logout-btn:hover {
    background: var(--danger);
    color: white;
}

/* Bouton d'ajout */
.add-button {
    position: fixed;
    top: 20px;
    left: 20px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border: none;
    color: white;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
    transition: transform 0.2s, box-shadow 0.2s;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.add-button:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.6);
}

.add-button:active {
    transform: scale(0.95);
}

/* Bouton hamburger (mobile) */
.hamburger-btn {
    position: fixed;
    top: 20px;
    right: 20px;
    width: 50px;
    height: 50px;
    border-radius: 10px;
    background: var(--surface);
    border: 2px solid rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    transition: all 0.3s;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hamburger-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
}

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

/* Menu overlay */
.menu-overlay {
    position: fixed;
    top: 0;
    right: -100%;
    width: 80%;
    max-width: 300px;
    height: 100%;
    background: var(--surface);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.5);
    transition: right 0.3s ease;
    z-index: 1001;
    overflow-y: auto;
}

.menu-overlay.active {
    right: 0;
}

.menu-content {
    padding: 20px;
}

.menu-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 2px solid rgba(255, 255, 255, 0.1);
}

.menu-header h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin: 0;
}

.menu-close {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 2rem;
    cursor: pointer;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    transition: all 0.3s;
}

.menu-close:hover {
    background: rgba(214, 48, 49, 0.2);
    color: var(--danger);
}

.menu-user-info {
    background: var(--background);
    padding: 15px;
    border-radius: 10px;
    margin-bottom: 20px;
    text-align: center;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.menu-section {
    margin-bottom: 30px;
}

.menu-section h4 {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.menu-tabs {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.menu-tab-btn {
    width: 100%;
    padding: 15px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background: var(--background);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s;
    text-align: left;
}

.menu-tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.menu-tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

.menu-logout-btn {
    width: 100%;
    padding: 15px;
    border: 2px solid var(--danger);
    border-radius: 10px;
    background: rgba(214, 48, 49, 0.1);
    color: var(--danger);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.3s;
}

.menu-logout-btn:hover {
    background: var(--danger);
    color: white;
}

/* Onglets de filtrage */
.tabs-container {
    margin-top: 100px;
    display: flex;
    justify-content: center;
    gap: 10px;
    padding: 0 20px 20px;
}

.tab-btn {
    padding: 10px 24px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 0.95rem;
    font-weight: 600;
    transition: all 0.3s;
}

.tab-btn:hover {
    border-color: var(--primary-color);
    color: var(--text-primary);
}

.tab-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-color: transparent;
    color: white;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

/* Grille des timers */
.timers-grid {
    margin-top: 0;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 16px;
    padding: 20px;
}

/* Carte de timer */
.timer-card {
    background: var(--surface);
    border-radius: 10px;
    padding: 16px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
    position: relative;
    overflow: hidden;
}

.timer-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.timer-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
}

.timer-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 10px;
    gap: 5px;
}

.timer-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    text-align: center;
    width: 100%;
}

.timer-actions {
    display: flex;
    gap: 4px;
}

.edit-button,
.delete-button {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 2px;
    transition: color 0.2s;
    font-size: 0.6rem;
}

.edit-button:hover {
    color: var(--primary-color);
}

.delete-button:hover {
    color: var(--danger);
}

/* Cercle de progression SVG */
.timer-circle-container {
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 10px 0;
}

.timer-circle {
    width: 100px;
    height: 100px;
}

.circle-bg {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 10;
}

.circle-progress {
    fill: none;
    stroke: url(#gradient);
    stroke-width: 10;
    stroke-linecap: round;
    transform: rotate(-90deg);
    transform-origin: center;
    transition: stroke-dashoffset 0.3s ease;
}

.circle-text {
    font-size: 1.3rem;
    font-weight: bold;
    fill: var(--text-primary);
    text-anchor: middle;
    dominant-baseline: middle;
}

.circle-subtext {
    font-size: 0.45rem;
    fill: var(--text-secondary);
    text-anchor: middle;
    dominant-baseline: middle;
}

.circle-dot {
    transition: cx 0.3s ease, cy 0.3s ease;
    transform-origin: center;
    transform-box: fill-box;
    animation: subtle-pulse 2s ease-in-out infinite;
}

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

/* Info du timer */
.timer-info {
    text-align: center;
    margin-top: 8px;
}

.timer-dates {
    font-size: 0.42rem;
    color: var(--text-secondary);
    margin-top: 4px;
}

.timer-status {
    display: inline-block;
    padding: 2px 6px;
    border-radius: 6px;
    font-size: 0.4rem;
    font-weight: 600;
    margin-top: 4px;
}

.timer-status.active {
    background: rgba(0, 184, 148, 0.2);
    color: var(--success);
}

.timer-status.completed {
    background: rgba(108, 92, 231, 0.2);
    color: var(--secondary-color);
}

.timer-status.upcoming {
    background: rgba(253, 203, 110, 0.2);
    color: var(--warning);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(5px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.3s;
}

.modal.active {
    display: flex;
}

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

.modal-content {
    background: var(--surface);
    padding: 40px;
    border-radius: 20px;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    animation: slideUp 0.3s;
}

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

.modal-content h2 {
    margin-bottom: 30px;
    color: var(--text-primary);
    text-align: center;
}

/* Formulaire */
.form-group {
    margin-bottom: 20px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 12px;
    background: var(--background);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-actions {
    display: flex;
    gap: 15px;
    margin-top: 30px;
}

.btn-cancel,
.btn-submit {
    flex: 1;
    padding: 12px 24px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.btn-cancel {
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-primary);
}

.btn-cancel:hover {
    background: rgba(255, 255, 255, 0.15);
}

.btn-submit {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 4px 15px rgba(108, 92, 231, 0.4);
}

.btn-submit:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(108, 92, 231, 0.6);
}

/* Responsive */
@media (max-width: 768px) {
    .timers-grid {
        grid-template-columns: 1fr;
        margin-top: 100px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .modal-content {
        padding: 30px 20px;
    }
}

/* Message vide */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
}

.empty-state svg {
    width: 120px;
    height: 120px;
    margin-bottom: 20px;
    opacity: 0.5;
}

.empty-state h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.empty-state p {
    font-size: 1rem;
}

/* Flatpickr personnalisé */
.flatpickr-calendar {
    background: var(--surface) !important;
    border: 2px solid rgba(108, 92, 231, 0.3) !important;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5) !important;
    border-radius: 15px !important;
}

.flatpickr-months {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
    border-radius: 15px 15px 0 0 !important;
}

.flatpickr-current-month .flatpickr-monthDropdown-months,
.flatpickr-current-month .numInputWrapper input {
    color: white !important;
    font-weight: 600 !important;
}

.flatpickr-weekday {
    color: var(--text-secondary) !important;
    font-weight: 600 !important;
}

.flatpickr-day {
    color: var(--text-primary) !important;
    border-radius: 8px !important;
}

.flatpickr-day:hover {
    background: rgba(108, 92, 231, 0.3) !important;
    border-color: var(--primary-color) !important;
}

.flatpickr-day.selected {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color)) !important;
    border-color: var(--primary-color) !important;
    color: white !important;
}

.flatpickr-day.today {
    border-color: var(--primary-color) !important;
}

.flatpickr-time {
    border-top: 1px solid rgba(255, 255, 255, 0.1) !important;
}

.flatpickr-time input {
    color: var(--text-primary) !important;
    background: transparent !important;
    font-weight: 600 !important;
}

.flatpickr-time input:hover,
.flatpickr-time input:focus {
    background: rgba(108, 92, 231, 0.2) !important;
}

.flatpickr-time .flatpickr-time-separator,
.flatpickr-time .flatpickr-am-pm {
    color: var(--text-primary) !important;
}

.flatpickr-months .flatpickr-prev-month svg,
.flatpickr-months .flatpickr-next-month svg {
    fill: white !important;
}

.flatpickr-months .flatpickr-prev-month:hover svg,
.flatpickr-months .flatpickr-next-month:hover svg {
    fill: rgba(255, 255, 255, 0.8) !important;
}

/* Drag and drop */
.sortable-ghost {
    opacity: 0.4;
    background: var(--primary-color);
    transform: scale(1.05);
}

/* Type selector */
.type-selector {
    display: flex;
    gap: 10px;
    margin-bottom: 25px;
    background: var(--background);
    padding: 5px;
    border-radius: 10px;
}

.type-btn {
    flex: 1;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s;
    font-weight: 600;
    font-size: 0.9rem;
}

.type-btn.active {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    box-shadow: 0 2px 10px rgba(108, 92, 231, 0.4);
}

.type-btn:hover:not(.active) {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

/* Periods section */
.periods-section {
    margin-top: 20px;
}

.periods-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.periods-header label {
    font-size: 0.9rem;
    color: var(--text-secondary);
    font-weight: 500;
}

.btn-add-period {
    background: rgba(108, 92, 231, 0.2);
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    padding: 8px 15px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    transition: all 0.3s;
}

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

#periodsList {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.period-item {
    background: var(--background);
    padding: 15px;
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

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

.period-number {
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    color: var(--text-primary);
}

.period-color-indicator {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-remove-period {
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1.3rem;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
}

.btn-remove-period:hover {
    background: rgba(214, 48, 49, 0.2);
    color: var(--danger);
}

.period-item .form-group {
    margin-bottom: 12px;
}

.period-item .form-row {
    margin-bottom: 0;
}

/* Groupe card styles */
.timer-card.group-card .circle-dot {
    animation: none;
}

.timer-card.group-card .circle-dot.pulse {
    animation: subtle-pulse 2s ease-in-out infinite;
}

/* Period legend for groups */
.period-legend {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 6px;
    font-size: 0.7rem;
}

.legend-color {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.legend-text {
    color: var(--text-secondary);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}