/* ============================================================
   Convocation et résultats des examens — FPO
   ============================================================ */

/* --- Reset --- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

/* --- Base --- */
body {
    font-family: Arial, Helvetica, sans-serif;
    background: #f4f6f9;
    color: #111827;
    line-height: 1.6;
    min-height: 100vh;
}

a {
    text-decoration: none;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    height: auto;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 20px;
}

/* ============================================================
   HEADER
   ============================================================ */
.app-header {
    background: #1f2a8a;
    color: white;
    padding: 14px 24px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.12);
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    text-decoration: none;
}

.brand * {
    text-shadow: none;
}

.logo {
    width: 56px;
    height: 56px;
    object-fit: contain;
    flex-shrink: 0;
}

.brand-title {
    font-size: 18px;
    font-weight: 700;
    line-height: 1.2;
    color: #ffffff !important;
}

.brand-title a {
    color: #ffffff !important;
    text-decoration: none;
}

.brand-subtitle {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.92) !important;
}

/* --- Nav --- */
.nav-menu {
    display: flex;
    align-items: center;
    gap: 10px;
    list-style: none;
    margin: 0;
    padding: 0;
    flex-wrap: wrap;
}

.nav-menu a {
    color: white;
    padding: 9px 13px;
    border: 1px solid rgba(255,255,255,0.35);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    transition: 0.2s ease;
    white-space: nowrap;
}

.nav-menu a:hover {
    background: white;
    color: #1f2a8a;
    text-decoration: none;
}

.nav-menu a.active {
    background: white;
    color: #1f2a8a;
}

.nav-menu a.logout {
    background: #dc2626;
    border-color: #dc2626;
    color: white;
}

.nav-menu a.logout:hover {
    background: #b91c1c;
    color: white;
}

/* --- Student code badge --- */
.student-badge {
    font-size: 12px;
    padding: 5px 10px;
    border: 1px solid rgba(255,255,255,0.4);
    border-radius: 6px;
    opacity: 0.9;
    white-space: nowrap;
}

/* ============================================================
   MAIN CONTENT
   ============================================================ */
.main-content {
    max-width: 1100px;
    margin: 0 auto;
    padding: 32px 20px;
    min-height: calc(100vh - 64px - 100px);
}

/* ============================================================
   WELCOME CARD
   ============================================================ */
.welcome-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    margin-bottom: 24px;
}

.welcome-card h1 {
    margin: 0 0 10px;
    color: #1f2a8a;
    font-size: 26px;
}

.welcome-card p {
    color: #6b7280;
    margin: 0;
}

.welcome-meta {
    display: flex;
    gap: 24px;
    margin-top: 12px;
    font-size: 14px;
    color: #6b7280;
}

/* ============================================================
   ACCESS CARDS (Dashboard)
   ============================================================ */
.quick-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
}

.quick-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    border: 1px solid #e5e7eb;
    transition: 0.2s ease;
}

.quick-card:hover {
    box-shadow: 0 12px 32px rgba(0,0,0,0.14);
    transform: translateY(-2px);
}

.quick-card-icon {
    font-size: 48px;
    margin-bottom: 16px;
    display: block;
}

.quick-card h2 {
    color: #1f2a8a;
    margin: 0 0 10px;
    font-size: 20px;
}

.quick-card p {
    color: #4b5563;
    line-height: 1.6;
    margin-bottom: 20px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
    display: inline-block;
    padding: 12px 18px;
    border-radius: 9px;
    font-weight: 700;
    font-size: 14px;
    border: none;
    cursor: pointer;
    transition: 0.2s ease;
    text-align: center;
    text-decoration: none;
}

.btn:hover {
    text-decoration: none;
}

.btn-primary {
    background: #1f2a8a;
    color: white;
}

.btn-primary:hover {
    background: #17206a;
}

.btn-success {
    background: #15803d;
    color: white;
}

.btn-success:hover {
    background: #166534;
}

.btn-danger {
    background: #dc2626;
    color: white;
}

.btn-danger:hover {
    background: #b91c1c;
}

.btn-outline {
    background: white;
    color: #1f2a8a;
    border: 2px solid #1f2a8a;
}

.btn-outline:hover {
    background: #1f2a8a;
    color: white;
}

/* ============================================================
   INFO CARD
   ============================================================ */
.info-card {
    background: white;
    border-radius: 16px;
    padding: 28px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    margin-bottom: 24px;
}

.info-card-title {
    font-size: 18px;
    font-weight: 700;
    color: #1f2a8a;
    margin-bottom: 20px;
    padding-bottom: 14px;
    border-bottom: 2px solid #e5e7eb;
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.info-item label {
    display: block;
    font-size: 11px;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    font-weight: 700;
    margin-bottom: 2px;
}

.info-item span {
    display: block;
    font-size: 15px;
    font-weight: 500;
    color: #111827;
}

/* ============================================================
   STATS
   ============================================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-box {
    background: white;
    border-radius: 14px;
    padding: 20px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.stat-box .num {
    font-size: 32px;
    font-weight: 700;
    color: #1f2a8a;
}

.stat-box .lbl {
    font-size: 13px;
    color: #6b7280;
    margin-top: 4px;
}

.stat-box.green .num { color: #15803d; }
.stat-box.orange .num { color: #ea580c; }
.stat-box.red .num { color: #dc2626; }

/* ============================================================
   FILTER TABS
   ============================================================ */
.filter-tabs {
    display: flex;
    gap: 8px;
    margin-bottom: 24px;
}

.filter-tab {
    padding: 10px 22px;
    border-radius: 24px;
    font-size: 14px;
    font-weight: 700;
    border: 2px solid #d1d5db;
    background: white;
    color: #4b5563;
    transition: 0.2s ease;
    text-decoration: none;
}

.filter-tab:hover {
    border-color: #1f2a8a;
    color: #1f2a8a;
    text-decoration: none;
}

.filter-tab.active {
    background: #1f2a8a;
    color: white;
    border-color: #1f2a8a;
}

/* ============================================================
   TABLES
   ============================================================ */
.table-card {
    background: white;
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
    overflow: hidden;
    margin-top: 24px;
}

.table-header {
    padding: 20px 24px;
    border-bottom: 2px solid #e5e7eb;
}

.table-header h3 {
    font-size: 16px;
    color: #1f2a8a;
    margin: 0;
}

.table-responsive {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

table {
    width: 100%;
    border-collapse: collapse;
}

thead {
    background: #1f2a8a;
    color: white;
}

th, td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid #e5e7eb;
    font-size: 14px;
}

th {
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    white-space: nowrap;
}

tbody tr:hover {
    background: #f9fafb;
}

tbody tr:last-child td {
    border-bottom: none;
}

/* ============================================================
   BADGES
   ============================================================ */
.badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
    white-space: nowrap;
}

.badge-valide {
    background: #dcfce7;
    color: #15803d;
}

.badge-rattrapage {
    background: #fef3c7;
    color: #d97706;
}

.badge-vr {
    background: #fff7ed;
    color: #ea580c;
}

.badge-non-note {
    background: #f3f4f6;
    color: #6b7280;
}

.badge-principale {
    background: #dcfce7;
    color: #15803d;
}

.badge-session-rattrapage {
    background: #fef3c7;
    color: #d97706;
}

/* ============================================================
   PAGE HEADER
   ============================================================ */
.page-title {
    margin-bottom: 24px;
}

.page-title h2 {
    font-size: 24px;
    color: #1f2a8a;
    margin: 0 0 4px;
}

.page-title p {
    color: #6b7280;
    font-size: 14px;
    margin: 0;
}

/* ============================================================
   EMPTY STATE
   ============================================================ */
.empty-state {
    background: white;
    border-radius: 16px;
    padding: 60px 20px;
    text-align: center;
    box-shadow: 0 8px 24px rgba(0,0,0,0.08);
}

.empty-state-icon {
    font-size: 56px;
    display: block;
    margin-bottom: 16px;
}

.empty-state h3 {
    color: #1f2a8a;
    margin: 0 0 8px;
}

.empty-state p {
    color: #6b7280;
    margin: 0 0 8px;
}

/* ============================================================
   LOGIN PAGE
   ============================================================ */
.login-page {
    background: linear-gradient(135deg, #1f2a8a, #2d3ab0);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.login-box {
    background: white;
    border-radius: 16px;
    padding: 40px;
    width: 100%;
    max-width: 420px;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-logo {
    text-align: center;
    margin-bottom: 20px;
}

.login-logo img {
    height: 70px;
    width: auto;
}

.login-box h1 {
    text-align: center;
    color: #1f2a8a;
    font-size: 20px;
    margin-bottom: 4px;
}

.login-subtitle {
    text-align: center;
    color: #6b7280;
    margin-bottom: 28px;
    font-size: 14px;
}

.form-group {
    margin-bottom: 18px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    color: #374151;
    font-weight: 700;
    font-size: 14px;
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 11px 14px;
    border: 2px solid #d1d5db;
    border-radius: 8px;
    font-size: 15px;
    transition: 0.2s ease;
    font-family: Arial, Helvetica, sans-serif;
}

.form-group input:focus,
.form-group select:focus {
    border-color: #1f2a8a;
    outline: none;
}

.login-box .btn {
    width: 100%;
    padding: 13px;
    font-size: 16px;
    margin-top: 8px;
}

.error-msg {
    background: #fef2f2;
    color: #dc2626;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-size: 14px;
    text-align: center;
    border: 1px solid #fecaca;
}

/* ============================================================
   FOOTER
   ============================================================ */
.app-footer {
    text-align: center;
    color: #6b7280;
    font-size: 13px;
    padding: 24px;
    margin-top: 40px;
    border-top: 1px solid #e5e7eb;
}

/* ============================================================
    ALERTS
    ============================================================ */
.alert {
    padding: 14px 20px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 600;
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.alert-success {
    background: #dcfce7;
    color: #15803d;
    border: 1px solid #bbf7d0;
}

.alert-warning {
    background: #fef3c7;
    color: #d97706;
    border: 1px solid #fde68a;
}

.alert-error {
    background: #fef2f2;
    color: #dc2626;
    border: 1px solid #fecaca;
}

/* ============================================================
    CLAIM BUTTON & BADGE
    ============================================================ */
.btn-claim {
    background: #f59e0b;
    color: #ffffff;
    border: none;
    padding: 8px 12px;
    border-radius: 999px;
    font-weight: 700;
    font-size: 12px;
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-claim:hover {
    background: #d97706;
}

.claim-badge {
    display: inline-block;
    background: #dbeafe;
    color: #1d4ed8;
    padding: 7px 11px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

.claim-input {
    width: 140px;
    padding: 7px 9px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    font-size: 12px;
    margin-right: 6px;
}

.claim-badge-closed {
    display: inline-block;
    background: #f3f4f6;
    color: #6b7280;
    padding: 7px 11px;
    border-radius: 999px;
    font-size: 12px;
    font-weight: 700;
}

/* ============================================================
   YEAR / SEMESTER / SESSION GROUPING
   ============================================================ */
.year-group {
    margin-bottom: 32px;
}

.year-heading {
    font-size: 20px;
    font-weight: 700;
    color: #1f2a8a;
    padding: 12px 20px;
    background: #e8eaf6;
    border-radius: 10px;
    margin-bottom: 20px;
    border-left: 4px solid #1f2a8a;
}

.semester-group {
    margin-bottom: 28px;
}

/* ============================================================
   SEMESTER SUMMARY CARD
   ============================================================ */
.semester-card {
    background: white;
    border-radius: 14px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.06);
    margin-bottom: 16px;
    overflow: hidden;
    border: 1px solid #e5e7eb;
}

.semester-card-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: #f8f9fc;
    border-bottom: 1px solid #e5e7eb;
}

.semester-label {
    font-size: 16px;
    font-weight: 700;
    color: #1f2a8a;
}

.semester-resultat {
    display: inline-block;
    padding: 4px 14px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.sem-res-valide {
    background: #dcfce7;
    color: #15803d;
}

.sem-res-rattrapage {
    background: #fef3c7;
    color: #d97706;
}

.sem-res-incomplet {
    background: #fef2f2;
    color: #dc2626;
}

.sem-res-non-calc {
    background: #f3f4f6;
    color: #6b7280;
}

.semester-card-body {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    padding: 0;
}

.semester-stat {
    flex: 1;
    min-width: 140px;
    padding: 14px 20px;
    border-right: 1px solid #e5e7eb;
}

.semester-stat:last-child {
    border-right: none;
}

.semester-stat-label {
    display: block;
    font-size: 11px;
    color: #9ca3af;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 700;
    margin-bottom: 4px;
}

.semester-stat-value {
    display: block;
    font-size: 18px;
    font-weight: 700;
    color: #1f2a8a;
}

.semester-stat-value.sem-valid { color: #15803d; }
.semester-stat-value.sem-rat { color: #d97706; }
.semester-stat-value.sem-ng { color: #dc2626; }

/* ============================================================
   SESSION GROUP
   ============================================================ */
.session-group {
    margin-bottom: 20px;
}

.session-heading {
    font-size: 14px;
    font-weight: 700;
    color: #1f2a8a;
    padding: 10px 20px;
    background: #e8eaf6;
    border-radius: 8px 8px 0 0;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
    .header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .nav-menu {
        flex-wrap: wrap;
        width: 100%;
    }

    .nav-menu a {
        display: block;
    }

    .quick-grid {
        grid-template-columns: 1fr;
    }

    .welcome-card h1 {
        font-size: 22px;
    }

    .welcome-meta {
        flex-direction: column;
        gap: 6px;
    }

    .info-grid {
        grid-template-columns: 1fr 1fr;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .filter-tabs {
        flex-wrap: wrap;
    }

    .semester-card-body {
        flex-direction: column;
    }

    .semester-stat {
        border-right: none;
        border-bottom: 1px solid #e5e7eb;
    }

    .semester-stat:last-child {
        border-bottom: none;
    }
}

@media (max-width: 480px) {
    .info-grid {
        grid-template-columns: 1fr;
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .student-badge {
        display: none;
    }
}