/* =========================================================
   The Professional Educator — School Marks System
   Complete stylesheet (rebuilt to restore missing classes
   and add mobile responsiveness)
   ========================================================= */

:root {
    --slate-50:  #f8fafc;
    --slate-100: #f1f5f9;
    --slate-200: #e2e8f0;
    --slate-300: #cbd5e1;
    --slate-400: #94a3b8;
    --slate-500: #64748b;
    --slate-600: #475569;
    --slate-700: #334155;
    --slate-800: #1e293b;
    --slate-900: #0f172a;
    --blue-600:  #2563eb;
    --blue-700:  #1d4ed8;
    --radius-sm: 6px;
    --radius-md: 8px;
}

* { box-sizing: border-box; }

body {
    font-family: Arial, Helvetica, sans-serif;
    background: var(--slate-100);
    margin: 0;
    color: #222;
}

a { color: inherit; }

/* =========================================================
   Top bar
   ========================================================= */
.topbar {
    background: var(--slate-800);
    color: #fff;
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}
.topbar a { color: #93c5fd; text-decoration: none; }
.topbar a:hover { text-decoration: underline; }

.topbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 700;
    color: #fff;
}
.topbar-logo {
    width: 36px;
    height: 36px;
    object-fit: contain;
    border-radius: 50%;
    background: #fff;
    flex-shrink: 0;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
}
.welcome { font-size: 14px; }
.role-tag {
    background: var(--slate-600);
    color: #fff;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.back-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(255,255,255,0.08);
    color: #fff;
    border: 1px solid rgba(255,255,255,0.25);
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 13px;
    font-family: inherit;
}
.back-btn:hover { background: rgba(255,255,255,0.18); }
.back-btn svg { width: 14px; height: 14px; }

/* Standalone back link variant (used on a few pages) */
.back-link-wrap { padding: 16px 24px 0; }
.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--blue-600);
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
}
.back-link:hover { text-decoration: underline; }

/* =========================================================
   Page layout
   ========================================================= */
.page-wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 20px 24px 48px;
}
.page-wrap h2:first-child { margin-top: 0; }

h2 { margin: 24px 0 12px; color: var(--slate-800); }
.page-subtitle { color: var(--slate-500); margin-top: -8px; }
.section-note { color: var(--slate-500); font-size: 13.5px; margin: 4px 0 8px; }

/* =========================================================
   Messages
   ========================================================= */
.msg-success {
    margin: 12px 0;
    padding: 10px 14px;
    background: #dcfce7;
    color: #166534;
    border-radius: var(--radius-sm);
    border: 1px solid #bbf7d0;
}
.msg-error {
    margin: 12px 0;
    padding: 10px 14px;
    background: #fee2e2;
    color: #991b1b;
    border-radius: var(--radius-sm);
    border: 1px solid #fecaca;
}
.error { color: #dc2626; font-size: 14px; }

/* =========================================================
   Admin dashboard cards
   ========================================================= */
.menu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin: 16px 0;
}
.menu-card {
    display: block;
    background: #fff;
    border-radius: var(--radius-md);
    padding: 18px;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    border-top: 4px solid var(--blue-600);
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.menu-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}
.menu-card h4 { margin: 0 0 6px; color: var(--slate-800); font-size: 16px; }
.menu-card p { margin: 0; color: var(--slate-500); font-size: 13.5px; }

/* =========================================================
   KPI dashboard cards
   ========================================================= */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 16px;
    margin: 16px 0 28px;
}
.kpi-card {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 20px;
    text-align: center;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    border-top: 4px solid var(--blue-600);
}
.kpi-value { font-size: 26px; font-weight: 700; color: var(--slate-800); }
.kpi-label {
    margin-top: 6px;
    font-size: 12px;
    color: var(--slate-500);
    text-transform: uppercase;
    letter-spacing: 0.4px;
}

/* =========================================================
   Buttons
   ========================================================= */
.btn {
    display: inline-block;
    margin: 0 8px 8px 0;
    padding: 10px 16px;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
    color: #fff;
    text-decoration: none;
    border-radius: var(--radius-sm);
    font-size: 14px;
}
.btn:hover { opacity: 0.92; }

.btn-inline {
    padding: 8px 16px;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 14px;
}
.btn-inline:hover { opacity: 0.92; }
.btn-small { padding: 6px 10px; font-size: 13px; }

.btn-danger {
    padding: 8px 14px;
    font-size: 14px;
    background: #dc2626;
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
}
.btn-danger:hover { background: #b91c1c; }

/* =========================================================
   Cards, filter bars, forms
   ========================================================= */
.card {
    background: #fff;
    margin: 16px 0;
    padding: 16px;
    border-radius: var(--radius-md);
}
.card h3 { margin-top: 0; color: var(--slate-800); }

.filter-bar {
    padding: 16px;
    display: flex;
    gap: 16px;
    align-items: end;
    flex-wrap: wrap;
    background: #fff;
    margin: 16px 0;
    border-radius: var(--radius-md);
}
.filter-bar label { font-size: 13px; color: var(--slate-600); }
.filter-bar select, .filter-bar input[type="date"] {
    padding: 7px;
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-sm);
}

.inline-form {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    align-items: center;
}
.inline-form input, .inline-form select {
    padding: 7px;
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-sm);
}
.inline-form textarea {
    padding: 9px 10px;
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 14px;
}

.total-marks-row {
    margin: 0 0 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}
.total-marks-row input, .total-marks-row select { padding: 6px; }

.actions-cell {
    display: flex;
    gap: 6px;
    align-items: center;
    flex-wrap: wrap;
}
.actions-cell input[type="password"] { width: 140px; padding: 5px; }

/* =========================================================
   Tables
   ========================================================= */
table {
    width: 100%;
    margin: 16px 0;
    border-collapse: collapse;
    background: #fff;
    border-radius: var(--radius-sm);
    overflow: hidden;
}
table th, table td {
    border: 1px solid var(--slate-200);
    padding: 8px 10px;
    text-align: left;
    font-size: 14px;
}
table th { background: var(--slate-100); }
input[type="number"] { width: 90px; padding: 4px; }

/* =========================================================
   Badges (complaint category/severity/status, attendance status)
   ========================================================= */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: 600;
}
.badge-severity-low    { background: #dcfce7; color: #166534; }
.badge-severity-medium { background: #fef9c3; color: #854d0e; }
.badge-severity-high   { background: #fee2e2; color: #991b1b; }

.badge-status-open      { background: #dbeafe; color: #1e40af; }
.badge-status-in_review { background: #fef9c3; color: #854d0e; }
.badge-status-resolved  { background: #dcfce7; color: #166534; }

.badge-status-present { background: #dcfce7; color: #166534; }
.badge-status-absent  { background: #fee2e2; color: #991b1b; }
.badge-status-leave   { background: #e0e7ff; color: #3730a3; }
.badge-status-late    { background: #fef9c3; color: #854d0e; }

/* =========================================================
   Holiday banner (attendance page)
   ========================================================= */
.holiday-banner { text-align: center; border-top: 4px solid #dc2626; }
.holiday-banner h3 { margin: 0; color: #dc2626; }
.holiday-banner p { color: var(--slate-500); }

/* =========================================================
   Marks entry: obtained-marks input + Absent checkbox
   ========================================================= */
.marks-cell { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.marks-cell input[type="number"]:disabled { background: var(--slate-100); color: var(--slate-400); }
.absent-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: #dc2626;
    white-space: nowrap;
    cursor: pointer;
}

/* =========================================================
   Login page
   ========================================================= */
.login-box {
    max-width: 340px;
    margin: 60px auto;
    background: #fff;
    padding: 30px;
    border-radius: var(--radius-md);
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    text-align: center;
}
.login-box h2 { margin-bottom: 4px; }
.login-box label { display: block; margin-top: 12px; font-size: 14px; text-align: left; }
.login-box input {
    width: 100%;
    padding: 8px;
    margin-top: 4px;
    border: 1px solid var(--slate-300);
    border-radius: var(--radius-sm);
}
.login-box button {
    width: 100%;
    margin-top: 20px;
    padding: 10px;
    background: linear-gradient(135deg, var(--blue-600), var(--blue-700));
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 15px;
}
.login-box button:hover { opacity: 0.92; }
.login-logo { max-width: 160px; height: auto; margin: 0 auto 12px; display: block; }

/* =========================================================
   Responsive breakpoints
   ========================================================= */
@media (max-width: 768px) {
    .page-wrap { padding: 16px; }

    .topbar { padding: 10px 16px; }
    .topbar-brand { font-size: 15px; }
    .topbar-logo { width: 28px; height: 28px; }
    .topbar-right { gap: 8px; font-size: 13px; width: 100%; justify-content: flex-start; }

    .kpi-grid, .menu-grid { grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; }
    .kpi-value { font-size: 20px; }

    .filter-bar { flex-direction: column; align-items: stretch; }
    .filter-bar > div { width: 100%; }
    .filter-bar select, .filter-bar input[type="date"] { width: 100%; }

    .inline-form { flex-direction: column; align-items: stretch; }
    .inline-form input, .inline-form select { width: 100%; }

    /* Tables scroll horizontally instead of squeezing/overflowing the viewport */
    table { display: block; overflow-x: auto; white-space: nowrap; }

    .login-box { margin: 30px 16px; max-width: none; }
}

@media (max-width: 480px) {
    .topbar-brand span, .welcome { font-size: 13px; }
    .btn, .btn-inline { width: 100%; margin: 0 0 8px 0; text-align: center; }
    .kpi-grid, .menu-grid { grid-template-columns: 1fr; }
}
#saveBtn, #saveAttBtn, #saveTestBtn, #saveAttDetailBtn {
    display: block;
    margin-left: auto;
}

.login-wrap {
 display: flex;
 align-items: center;
 justify-content: center;
 min-height: 100vh;
 padding: 20px;
}
.login-logo-img {
 max-width: 140px;
 height: auto;
 margin: 0 auto 16px;
 display: block;
}

#saveBtn, #saveAttBtn, #saveTestBtn, #saveAttDetailBtn {
    width: fit-content;
}

#saveBtn, #saveAttBtn, #saveTestBtn, #saveAttDetailBtn {
    margin-left: auto !important;
    margin-right: 24px !important;
}

.status-radio-group {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.status-radio-label {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    cursor: pointer;
    white-space: nowrap;
}

.cheating-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: #d97706;
    white-space: nowrap;
    cursor: pointer;
}

.flag-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
    gap: 12px;
    margin: 12px 0 28px;
}
.flag-badge {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 16px 10px;
    border-radius: var(--radius-md);
    background: #fff;
    box-shadow: 0 1px 4px rgba(0,0,0,0.08);
    border-top: 4px solid transparent;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.flag-badge:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(0,0,0,0.12);
}
.flag-day {
    font-weight: 700;
    font-size: 14px;
    color: var(--slate-800);
}
.flag-status {
    font-size: 11px;
    font-weight: 700;
    padding: 3px 10px;
    border-radius: 12px;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}
.flag-ok {
    border-top-color: #22c55e;
}
.flag-ok .flag-status {
    background: #dcfce7;
    color: #166534;
}
.flag-pending {
    border-top-color: #ef4444;
}
.flag-pending .flag-status {
    background: #fee2e2;
    color: #991b1b;
}
.mobile-topbar { display: none; }
.app-shell { display: flex; min-height: 100vh; }
.sidebar {
    width: 240px; background: var(--slate-800); color: #fff;
    display: flex; flex-direction: column; position: sticky; top: 0;
    height: 100vh; flex-shrink: 0; z-index: 20;
}
.sidebar-brand {
    display: flex; align-items: center; gap: 10px; padding: 20px 16px;
    font-weight: 700; font-size: 14px; line-height: 1.3;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.sidebar-logo { width: 34px; height: 34px; border-radius: 50%; background: #fff; object-fit: contain; flex-shrink: 0; }
.sidebar-nav { flex: 1; padding: 12px 8px; display: flex; flex-direction: column; gap: 2px; overflow-y: auto; }
.sidebar-link {
    display: flex; align-items: center; gap: 10px; padding: 10px 12px;
    border-radius: var(--radius-sm); color: #cbd5e1; text-decoration: none;
    font-size: 14px; transition: background 0.15s ease;
}
.sidebar-icon { font-size: 16px; width: 20px; text-align: center; }
.sidebar-link:hover { background: rgba(255,255,255,0.08); color: #fff; }
.sidebar-link.active { background: var(--blue-600); color: #fff; font-weight: 600; }
.sidebar-footer {
    padding: 16px; border-top: 1px solid rgba(255,255,255,0.1);
    display: flex; flex-direction: column; gap: 8px; font-size: 13px;
}
.sidebar-footer a { color: #93c5fd; text-decoration: none; }
.welcome-sm { color: #fff; font-weight: 600; margin-bottom: 2px; }
.sidebar-overlay { display: none; }
.main-content { flex: 1; min-width: 0; padding: 24px 28px 48px; }
.page-header { margin-bottom: 16px; }
.page-header h1 { margin: 0; font-size: 24px; color: var(--slate-800); }

.quick-actions {
    display: grid; grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px; margin-bottom: 20px;
}
.quick-action-btn {
    display: flex; flex-direction: column; align-items: center; gap: 8px;
    padding: 18px 10px; background: #fff; border-radius: var(--radius-md);
    box-shadow: 0 1px 4px rgba(0,0,0,0.06); text-decoration: none;
    color: var(--slate-800); font-weight: 600; font-size: 13px;
    transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.quick-action-btn:hover { transform: translateY(-2px); box-shadow: 0 4px 10px rgba(0,0,0,0.1); }
.quick-action-icon { font-size: 22px; }
.quick-action-btn.primary { background: linear-gradient(135deg, var(--blue-600), var(--blue-700)); color: #fff; }

.panel {
    background: #fff; border-radius: var(--radius-md); padding: 20px;
    box-shadow: 0 1px 4px rgba(0,0,0,0.06); margin-bottom: 20px;
}
.panel-header { margin-bottom: 14px; }
.panel-header h3 { margin: 0; font-size: 15px; color: var(--slate-800); }
.panel table { margin: 0; box-shadow: none; }

.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.kpi-label { text-transform: none; letter-spacing: normal; font-size: 12.5px; }

@media (max-width: 900px) {
    .two-col { grid-template-columns: 1fr; }
    .mobile-topbar {
        display: flex; align-items: center; gap: 12px; background: var(--slate-800);
        color: #fff; padding: 12px 16px; position: sticky; top: 0; z-index: 30;
    }
    .hamburger-btn { background: none; border: none; color: #fff; cursor: pointer; padding: 4px; }
    .hamburger-btn svg { width: 22px; height: 22px; }
    .mobile-topbar-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 14px; }
    .app-shell { flex-direction: column; }
    .sidebar {
        position: fixed; left: -260px; top: 0; height: 100vh; z-index: 40;
        transition: left 0.2s ease; width: 240px;
    }
    .sidebar.open { left: 0; }
    .sidebar-overlay.visible {
        display: block; position: fixed; inset: 0; background: rgba(0,0,0,0.4); z-index: 35;
    }
    .main-content { padding: 16px; }
    .quick-actions { grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); }
}
.sidebar-icon svg { width: 18px; height: 18px; display: block; }
.quick-action-icon svg { width: 26px; height: 26px; display: block; color: var(--slate-600); }
.quick-action-btn.primary .quick-action-icon svg { color: #fff; }
.modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 100;
    align-items: center;
    justify-content: center;
}
.modal-overlay.visible { display: flex; }
.modal-box {
    background: #fff;
    border-radius: var(--radius-md);
    padding: 24px;
    max-width: 360px;
    width: 90%;
}
.modal-box h3 { margin-top: 0; color: var(--slate-800); }
.modal-checkbox {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 0;
    font-size: 14px;
    cursor: pointer;
}
.modal-actions {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    margin-top: 16px;
}
.celebration-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 23, 42, 0.85);
    z-index: 200;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    animation: celebrationFadeIn 0.3s ease;
}
@keyframes celebrationFadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}
.celebration-card {
    background: #fff;
    border-radius: 16px;
    padding: 40px 36px;
    text-align: center;
    max-width: 380px;
    z-index: 2;
    animation: celebrationPop 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}
@keyframes celebrationPop {
    0% { transform: scale(0.5); opacity: 0; }
    100% { transform: scale(1); opacity: 1; }
}
.celebration-trophy {
    font-size: 56px;
    margin-bottom: 12px;
    animation: celebrationBounce 1.2s ease infinite;
}
@keyframes celebrationBounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}
.celebration-card h2 {
    margin: 0 0 8px;
    color: var(--slate-800);
    font-size: 22px;
}
.celebration-card p {
    color: var(--slate-500);
    margin: 0 0 20px;
}
.confetti-piece {
    position: absolute;
    top: -20px;
    border-radius: 2px;
    animation-name: confettiFall;
    animation-timing-function: linear;
    animation-fill-mode: forwards;
    z-index: 1;
}
@keyframes confettiFall {
    0% { transform: translateY(0) rotate(0deg); opacity: 1; }
    100% { transform: translateY(110vh) rotate(720deg); opacity: 0.8; }
}

.subject-col {
    min-width: 260px;
    white-space: nowrap;
}
.subject-col.marks-cell {
    flex-wrap: nowrap;
    align-items: center;
    gap: 8px;
}
.subject-col .absent-toggle,
.subject-col .cheating-toggle {
    white-space: nowrap;
}
.subject-checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 10px 18px;
    padding: 6px 0;
}
.subject-checkbox-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    cursor: pointer;
    white-space: nowrap;
}

.new-student-row td {
 border-top: 2px solid var(--slate-300);
}