/* ================================================================
   rdv_presentation.css — Module RDV Présentation Eakademy
   Palette : rouge #e30613, cohérent avec header2.php / site public
   ================================================================ */

:root {
    --primary-color: #e30613;
    --primary-hover: #c00010;
    --primary-light: rgba(227, 6, 19, 0.08);
    --primary-border: rgba(227, 6, 19, 0.25);
    --secondary-color: #000000;
    --text-dark: #212529;
    --text-muted: #6c757d;
    --bg-light: #f8f9fa;
    --border-color: #dee2e6;
    --success-color: #198754;
    --success-light: rgba(25, 135, 84, 0.08);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.12);
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --transition: 0.2s ease;
}

/* ================================================================
   HERO / EN-TÊTE
   ================================================================ */

.rdv-hero {
    background: linear-gradient(135deg, #1a1a1a 0%, #2d0004 60%, #e30613 100%);
    color: #fff;
    padding: 3rem 0 2.5rem;
    text-align: center;
}

.rdv-hero h1 {
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.rdv-hero p {
    font-size: 1rem;
    opacity: 0.85;
    margin-bottom: 0;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* ================================================================
   STEPS INDICATOR
   ================================================================ */

.steps-wrapper {
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.steps-list {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0;
    max-width: 640px;
    margin: 0 auto;
    padding: 0 1rem;
}

.step-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.3rem;
    flex: 1;
    position: relative;
}

.step-item:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 16px;
    left: calc(50% + 18px);
    right: calc(-50% + 18px);
    height: 2px;
    background: var(--border-color);
    transition: background var(--transition);
}

.step-item.active:not(:last-child)::after,
.step-item.done:not(:last-child)::after {
    background: var(--primary-color);
}

.step-circle {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    transition: all var(--transition);
    z-index: 1;
}

.step-item.active .step-circle {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 0 0 4px var(--primary-light);
}

.step-item.done .step-circle {
    background: var(--success-color);
    border-color: var(--success-color);
    color: #fff;
}

.step-label {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-align: center;
    white-space: nowrap;
    line-height: 1.2;
}

.step-item.active .step-label {
    color: var(--primary-color);
}

.step-item.done .step-label {
    color: var(--success-color);
}

@media (max-width: 480px) {
    .step-label { display: none; }
    .step-circle { width: 28px; height: 28px; font-size: 0.75rem; }
    .step-item:not(:last-child)::after { top: 14px; }
}

/* ================================================================
   LAYOUT PRINCIPAL
   ================================================================ */

.rdv-main {
    padding: 2rem 0 4rem;
    min-height: 60vh;
}

.rdv-panel {
    background: #fff;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

/* ================================================================
   CALENDRIER
   ================================================================ */

.calendar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem 1rem;
    border-bottom: 1px solid var(--border-color);
}

.calendar-title {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-dark);
    text-transform: capitalize;
    margin: 0;
}

.calendar-nav-btn {
    background: none;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    width: 34px;
    height: 34px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--text-dark);
    transition: all var(--transition);
    font-size: 0.85rem;
}

.calendar-nav-btn:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--primary-light);
}

.calendar-nav-btn:disabled {
    opacity: 0.35;
    cursor: not-allowed;
}

.calendar-weekdays {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    padding: 0.75rem 1rem 0.25rem;
    gap: 2px;
}

.calendar-weekday {
    text-align: center;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.25rem 0;
}

.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    padding: 0.25rem 1rem 1.25rem;
    gap: 4px;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition);
    border: 1.5px solid transparent;
    color: var(--text-dark);
    background: transparent;
    line-height: 1;
}

.calendar-day:hover:not(.disabled):not(.empty) {
    background: var(--primary-light);
    border-color: var(--primary-border);
    color: var(--primary-color);
}

.calendar-day.available {
    color: var(--primary-color);
    font-weight: 700;
}

.calendar-day.available::after {
    content: '';
    position: absolute;
    bottom: 4px;
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--primary-color);
}

.calendar-day {
    position: relative;
}

.calendar-day.selected {
    background: var(--primary-color) !important;
    color: #fff !important;
    border-color: var(--primary-color) !important;
}

.calendar-day.selected::after {
    background: #fff;
}

.calendar-day.today:not(.selected) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    font-weight: 700;
}

.calendar-day.disabled,
.calendar-day.past,
.calendar-day.empty {
    color: #ccc;
    cursor: default;
    pointer-events: none;
}

.calendar-day.empty {
    visibility: hidden;
}

/* ================================================================
   CRÉNEAUX HORAIRES
   ================================================================ */

.slots-panel {
    padding: 1.25rem 1.5rem;
}

.slots-date-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border-color);
}

.slots-date-title span {
    color: var(--primary-color);
}

.slots-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    gap: 0.5rem;
}

.slot-btn {
    background: #fff;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 0.6rem 0.5rem;
    text-align: center;
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-dark);
    line-height: 1.3;
}

.slot-btn:hover:not(:disabled) {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.slot-btn.selected {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 12px rgba(227, 6, 19, 0.3);
}

.slots-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.slots-empty i {
    font-size: 2rem;
    display: block;
    margin-bottom: 0.5rem;
    opacity: 0.4;
}

.slots-loading {
    text-align: center;
    padding: 2rem;
    color: var(--text-muted);
}

/* ================================================================
   FORMULAIRE
   ================================================================ */

.form-panel {
    padding: 1.75rem 2rem;
}

@media (max-width: 576px) {
    .form-panel { padding: 1.25rem 1rem; }
}

.form-section-title {
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--border-color);
}

.form-section-title:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.form-recap-box {
    background: var(--primary-light);
    border: 1.5px solid var(--primary-border);
    border-radius: var(--radius-sm);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
}

.form-recap-box .recap-label {
    font-weight: 700;
    color: var(--primary-color);
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 0.25rem;
}

.form-recap-box .recap-value {
    color: var(--text-dark);
    font-weight: 600;
}

/* Champ standard */
.form-control:focus,
.form-select:focus {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Niveaux dynamiques */
.niveaux-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 0.6rem;
    margin-top: 0.5rem;
}

.niveau-item {
    animation: fadeInUp 0.2s ease both;
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(6px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* Checkboxes matières */
.matieres-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.5rem;
    margin-top: 0.5rem;
}

@media (max-width: 576px) {
    .matieres-grid { grid-template-columns: repeat(2, 1fr); }
    .niveaux-container { grid-template-columns: 1fr 1fr; }
}

.matiere-check-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 0.75rem;
    border: 1.5px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: all var(--transition);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-dark);
    user-select: none;
}

.matiere-check-label:hover {
    border-color: var(--primary-border);
    background: var(--primary-light);
    color: var(--primary-color);
}

.matiere-check-label input[type="checkbox"] {
    accent-color: var(--primary-color);
    width: 15px;
    height: 15px;
    flex-shrink: 0;
    cursor: pointer;
}

.matiere-check-label:has(input:checked) {
    border-color: var(--primary-color);
    background: var(--primary-light);
    color: var(--primary-color);
}

/* Bouton principal */
.btn-rdv-primary {
    background: var(--primary-color);
    border: none;
    color: #fff;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-sm);
    font-weight: 700;
    font-size: 0.95rem;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.btn-rdv-primary:hover:not(:disabled) {
    background: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(227, 6, 19, 0.35);
}

.btn-rdv-primary:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
}

.btn-rdv-back {
    background: transparent;
    border: 1.5px solid var(--border-color);
    color: var(--text-muted);
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition);
}

.btn-rdv-back:hover {
    border-color: var(--text-dark);
    color: var(--text-dark);
}

/* ================================================================
   CONFIRMATION
   ================================================================ */

.confirm-panel {
    padding: 2.5rem 2rem;
    text-align: center;
}

.confirm-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--success-light);
    border: 3px solid var(--success-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.2rem;
    color: var(--success-color);
    margin: 0 auto 1.5rem;
}

.confirm-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
}

.confirm-subtitle {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 2rem;
    max-width: 440px;
    margin-left: auto;
    margin-right: auto;
}

.confirm-details-box {
    background: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    text-align: left;
    max-width: 460px;
    margin: 0 auto 1.25rem;
    border: 1px solid var(--border-color);
}

.confirm-close-hint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    background: #e8f4fd;
    border: 1px solid #b8daf5;
    border-radius: var(--radius-md);
    padding: 0.9rem 1.25rem;
    max-width: 460px;
    margin: 0 auto;
    color: #0c5460;
    font-size: 0.92rem;
    font-weight: 600;
    line-height: 1.4;
}

.confirm-close-hint i {
    font-size: 1.15rem;
    color: #0d6efd;
    flex-shrink: 0;
}

.confirm-detail-row {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
}

.confirm-detail-row:last-child { border-bottom: none; }

.confirm-detail-icon {
    color: var(--primary-color);
    font-size: 1rem;
    margin-top: 1px;
    flex-shrink: 0;
}

.confirm-detail-label {
    font-weight: 700;
    color: var(--text-muted);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: block;
    margin-bottom: 1px;
}

.confirm-detail-value {
    color: var(--text-dark);
    font-weight: 600;
}

.btn-gcal {
    background: #fff;
    border: 1.5px solid #4285f4;
    color: #4285f4;
    padding: 0.7rem 1.5rem;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    cursor: pointer;
    transition: all var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    text-decoration: none;
}

.btn-gcal:hover {
    background: #4285f4;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(66, 133, 244, 0.3);
}

/* ================================================================
   LOADER / SPINNER
   ================================================================ */

.rdv-spinner {
    display: inline-block;
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
    vertical-align: middle;
}

.rdv-spinner.dark {
    border-color: rgba(227,6,19,0.2);
    border-top-color: var(--primary-color);
}

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

/* ================================================================
   ALERTES / TOASTS
   ================================================================ */

.rdv-alert {
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    margin-bottom: 1rem;
    font-size: 0.88rem;
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
}

.rdv-alert-error {
    background: rgba(220, 53, 69, 0.08);
    border: 1px solid rgba(220, 53, 69, 0.3);
    color: #842029;
}

.rdv-alert-info {
    background: rgba(13, 110, 253, 0.07);
    border: 1px solid rgba(13, 110, 253, 0.25);
    color: #084298;
}

/* ================================================================
   RESPONSIVE — LAYOUT 2 COLONNES SUR DESKTOP
   ================================================================ */

.rdv-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1rem;
}

@media (min-width: 768px) {
    .rdv-grid {
        gap: 1.25rem;
    }
}

@media (min-width: 992px) {
    .rdv-grid {
        grid-template-columns: minmax(280px, 380px) 1fr;
        align-items: start;
        gap: 1.75rem;
    }
}

/* Divider mobile entre calendar et slots */
.rdv-divider {
    display: none;
    height: 1px;
    background: var(--border-color);
    margin: 0;
}

@media (max-width: 991px) {
    .rdv-divider { display: block; }
    .rdv-panel-slots {
        border-top: none;
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
    }
    .rdv-panel-calendar {
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    }
    .rdv-panel-slots,
    .rdv-panel-calendar {
        border-radius: var(--radius-lg);
    }
}

/* ================================================================
   SECTION INTRO INFORMATIONS
   ================================================================ */

.rdv-info-strip {
    background: var(--primary-light);
    border: 1px solid var(--primary-border);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    font-size: 0.875rem;
    color: var(--text-dark);
}

.rdv-info-strip i {
    color: var(--primary-color);
    font-size: 1.1rem;
    flex-shrink: 0;
    margin-top: 1px;
}

/* ================================================================
   MEDIA QUERIES SUPPLEMENTAIRES
   ================================================================ */

@media (max-width: 991px) {
    .rdv-panel-calendar,
    .rdv-panel-slots {
        border-radius: var(--radius-lg);
    }
    .calendar-header {
        padding: 1rem 1rem 0.75rem;
    }
    .calendar-grid {
        padding: 0.25rem 0.75rem 1rem;
    }
    .slots-panel {
        padding: 1rem 1rem 1.25rem;
    }
}

@media (max-width: 576px) {
    .rdv-hero { padding: 1.75rem 0 1.5rem; }
    .rdv-hero h1 { font-size: 1.35rem; }
    .rdv-hero p { font-size: 0.9rem; padding: 0 0.5rem; }
    .rdv-main { padding: 1rem 0 2.5rem; }
    .rdv-main > .container { padding-left: 0.75rem; padding-right: 0.75rem; }
    .confirm-panel { padding: 1.5rem 1rem; }
    .confirm-icon { width: 64px; height: 64px; font-size: 1.8rem; }
    .confirm-title { font-size: 1.2rem; }
    .form-panel { padding: 1.25rem 1rem; }
    .slots-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.4rem; }
    .slot-btn { font-size: 0.8rem; padding: 0.55rem 0.35rem; }
    .steps-wrapper { padding: 0.75rem 0; }
    .rdv-panel { border-radius: var(--radius-md); }
    .btn-rdv-primary,
    .btn-rdv-back {
        width: 100%;
        justify-content: center;
    }
    .d-flex.gap-3.align-items-center.flex-wrap .ms-auto {
        margin-left: 0 !important;
    }
}

@media (max-width: 360px) {
    .calendar-day { font-size: 0.72rem; }
    .calendar-weekday { font-size: 0.62rem; }
    .slots-grid { grid-template-columns: 1fr 1fr; }
    .matieres-grid { grid-template-columns: 1fr; }
}