:root {
    --brand: #c8101a;
    --brand-dark: #8e0b12;
    --brand-soft: #fff0f1;
    --brand-pale: #fff8f6;
    --gold: #c9922e;
    --ink: #221b1c;
    --muted: #74686a;
    --line: #eadedf;
    --surface: #ffffff;
    --surface-alt: #fbf7f5;
    --shadow-sm: 0 8px 24px rgba(77, 27, 31, .07);
    --shadow-lg: 0 22px 58px rgba(77, 27, 31, .13);
    --radius: 18px;
}

html { scroll-behavior: smooth; }
[hidden] { display: none !important; }

body {
    color: var(--ink);
    background:
        radial-gradient(circle at 8% 4%, rgba(200, 16, 26, .08), transparent 28rem),
        radial-gradient(circle at 96% 88%, rgba(201, 146, 46, .08), transparent 24rem),
        #f8f5f3;
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a { color: var(--brand-dark); }

.brand-lockup {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    color: var(--ink);
    text-decoration: none;
    min-width: 0;
}

.brand-logo {
    width: 52px;
    height: 52px;
    flex: 0 0 52px;
    object-fit: contain;
    border-radius: 50%;
    background: #fff;
    box-shadow: 0 0 0 3px #fff, 0 0 0 4px rgba(200, 16, 26, .15);
}

.brand-copy { display: grid; gap: 2px; min-width: 0; }
.brand-copy strong { font-size: 15px; line-height: 1.15; letter-spacing: .01em; }
.brand-copy small { color: var(--muted); font-size: 10px; line-height: 1.2; letter-spacing: .035em; }

.portal-bar,
.topbar {
    min-height: 76px;
    height: auto;
    padding: 10px clamp(18px, 4vw, 54px);
    background: rgba(255, 255, 255, .94);
    border-bottom: 1px solid rgba(200, 16, 26, .13);
    box-shadow: 0 5px 24px rgba(54, 18, 21, .05);
    backdrop-filter: blur(14px);
    position: relative;
    z-index: 20;
}

.topbar .logo { font-size: inherit; }
.teacher-info, .bar-actions { gap: 12px; }
#teacherName, #adminName { color: var(--muted); }

button,
.primary-btn,
.secondary-btn,
input,
select,
textarea { font: inherit; }

button,
.primary-btn,
.secondary-btn {
    border-radius: 10px;
    font-weight: 750;
    transition: transform .16s ease, box-shadow .16s ease, background .16s ease, border-color .16s ease;
}

button:not(:disabled):hover,
.primary-btn:not(:disabled):hover,
.secondary-btn:not(:disabled):hover { transform: translateY(-1px); }

button:focus-visible,
a:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
    outline: 3px solid rgba(200, 16, 26, .2);
    outline-offset: 2px;
}

.primary,
.primary-btn,
#addCourseBtn,
#loginBtn,
#saveMarksBtn {
    background: linear-gradient(135deg, var(--brand), var(--brand-dark));
    border-color: var(--brand-dark);
    color: #fff;
    box-shadow: 0 8px 18px rgba(200, 16, 26, .17);
}

.primary:hover,
.primary-btn:hover,
#addCourseBtn:hover,
#loginBtn:hover,
#saveMarksBtn:hover {
    background: linear-gradient(135deg, #da1822, #990c14);
    box-shadow: 0 10px 22px rgba(200, 16, 26, .24);
}

input,
select,
textarea {
    border-color: #d9cdce;
    background: #fff;
    border-radius: 10px;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--brand);
    box-shadow: 0 0 0 3px rgba(200, 16, 26, .10);
}

.container,
.portal-main { width: min(1180px, calc(100% - 36px)); }

.panel,
.courses-section,
.students-section,
.attendance-section,
.marks-section,
.settings-panel,
.course-header {
    border: 1px solid var(--line);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.course-header {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #fff 0%, #fff8f6 65%, #fff0f1 100%);
    border-left: 5px solid var(--brand);
}

.course-header::after {
    content: "π";
    position: absolute;
    right: 28px;
    top: 50%;
    transform: translateY(-53%);
    font-family: Georgia, serif;
    font-size: 96px;
    color: rgba(200, 16, 26, .06);
    pointer-events: none;
}

.back-btn {
    color: var(--brand-dark);
    font-weight: 750;
    text-decoration: none;
}

.back-btn:hover { color: var(--brand); }

.section-title h2,
.section-header h2 { color: var(--ink); }

.courses-section > .section-header {
    padding: 24px 28px 4px;
}

.delete-btn {
    padding: 11px 18px !important;
    background: linear-gradient(135deg, var(--brand), var(--brand-dark)) !important;
    border: 1px solid var(--brand-dark) !important;
    color: #fff !important;
    box-shadow: 0 8px 18px rgba(200, 16, 26, .17);
}

.delete-btn:hover {
    background: linear-gradient(135deg, #da1822, #990c14) !important;
    box-shadow: 0 10px 22px rgba(200, 16, 26, .24);
}

#addCourseBtn {
    padding: 11px 18px !important;
    background: #fff !important;
    border: 1px solid var(--brand) !important;
    color: var(--brand-dark) !important;
    box-shadow: none;
}

#addCourseBtn:hover {
    background: var(--brand-pale) !important;
    color: var(--brand) !important;
    box-shadow: 0 8px 18px rgba(200, 16, 26, .10);
}

table { border-collapse: separate; border-spacing: 0; }
th { color: #5f4f51; background: #fbf5f4; }
th, td { border-color: var(--line); }
tbody tr { transition: background .14s ease; }
tbody tr:hover { background: #fff9f7; }

.marks-table-wrapper,
.summary-table-wrapper,
.table-wrap {
    border: 1px solid var(--line);
    border-radius: 13px;
    background: #fff;
}

.welcome {
    position: relative;
    padding: clamp(24px, 4vw, 42px);
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background: linear-gradient(120deg, #fff 0%, #fff5f3 100%);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.welcome::after {
    content: "∫  π  Σ";
    position: absolute;
    right: 34px;
    bottom: 14px;
    color: rgba(200, 16, 26, .075);
    font: 700 44px Georgia, serif;
    letter-spacing: .2em;
}

.course-card {
    border-color: var(--line);
    border-top: 4px solid var(--brand);
    border-radius: 15px;
    box-shadow: 0 9px 24px rgba(68, 25, 28, .06);
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.course-card:hover {
    transform: translateY(-3px);
    border-color: rgba(200, 16, 26, .32);
    box-shadow: 0 16px 32px rgba(68, 25, 28, .11);
}

.open-course-btn,
.create-course-btn {
    background: linear-gradient(135deg, var(--brand), var(--brand-dark)) !important;
    border-color: var(--brand-dark) !important;
    color: #fff !important;
}

.secondary-btn,
.cancel-course-btn {
    border-color: #d8c8c9 !important;
    background: #fff !important;
    color: #5b4648 !important;
}

.secondary-btn:hover,
.cancel-course-btn:hover {
    border-color: var(--brand) !important;
    color: var(--brand-dark) !important;
    background: var(--brand-pale) !important;
}

.add-course-form,
.delete-course-form,
.settings-panel,
.attendance-editor {
    border-color: var(--line) !important;
    background: #fff !important;
    border-radius: var(--radius) !important;
    box-shadow: var(--shadow-sm);
}

.settings-group {
    background: var(--surface-alt) !important;
    border-color: var(--line) !important;
    border-radius: 13px !important;
}

.settings-group h3,
.form-header h2 { color: var(--brand-dark) !important; }
.switch input:checked + .slider {
    background: linear-gradient(135deg, #22a65a, #168444) !important;
    box-shadow: 0 0 0 3px rgba(34, 166, 90, .14);
}

.student-table,
.marks-table,
.summary-table { border-color: var(--line) !important; }
.student-table th,
.marks-table th,
.summary-table th { background: #fbf5f4 !important; color: #5f4f51 !important; }
.assignment-header,
.marks-assignment-header { color: var(--brand-dark) !important; }
.quiz-header,
.marks-quiz-header { color: #815b13 !important; }
.total-header,
.total-cell { background: #fff9e9 !important; color: #76500b !important; }
.marks-input:focus,
.mark-input:focus,
.student-name-input:focus { border-color: var(--brand) !important; box-shadow: 0 0 0 3px rgba(200, 16, 26, .10) !important; }

.admin-view-notice {
    border: 1px solid #f0d59a;
    background: #fff8e7 !important;
    color: #704706 !important;
}

.return-admin-btn {
    border-color: var(--brand) !important;
    background: var(--brand-soft) !important;
    color: var(--brand-dark) !important;
}

.change-password-btn {
    padding: 9px 14px;
    border: 1px solid #d9bfc1 !important;
    background: #fff !important;
    color: var(--brand-dark) !important;
}

.change-password-btn:hover {
    border-color: var(--brand) !important;
    background: var(--brand-pale) !important;
}

.password-panel {
    margin: -16px 0 40px;
    padding: 26px 28px;
    border: 1px solid var(--line);
    border-top: 4px solid var(--brand);
    border-radius: var(--radius);
    background: #fff;
    box-shadow: var(--shadow-sm);
}

.password-panel-heading h2 { margin: 0 0 6px; font-size: 22px; color: var(--ink); }
.password-panel-heading p { margin: 0; color: var(--muted); }
.password-form { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 22px; }
.password-form label { display: grid; gap: 7px; color: #4d3f41; font-size: 13px; font-weight: 750; }
.password-form input { width: 100%; padding: 12px 13px; border: 1px solid #d9cdce; }
.password-actions { grid-column: 1 / -1; display: flex; gap: 10px; }
.password-actions button { padding: 10px 16px; }
.password-panel .form-message { margin-top: 16px; }

.notice.success, .message.success, .form-message.success { background: #edf8f0; color: #176739; }
.notice.error, .message.error, .form-message.error { background: #fff0f0; color: #9d121a; }

.excel-btn,
button.excel-btn {
    background: #16794a !important;
    border-color: #11683f !important;
    box-shadow: 0 7px 16px rgba(22, 121, 74, .16) !important;
}

.login-container { max-width: 470px; padding: 28px 20px; }
.login-card {
    padding: 36px 40px 38px;
    border: 1px solid var(--line);
    border-top: 4px solid var(--brand);
    border-radius: 22px;
    box-shadow: var(--shadow-lg);
}
.login-brand { display: block; width: 142px; margin: -4px auto 18px; }
.login-crest { display: block; width: 142px; height: 142px; object-fit: contain; filter: drop-shadow(0 12px 14px rgba(100, 12, 18, .12)); }
.login-eyebrow { margin: 0 0 7px; color: var(--brand-dark); text-align: center; font-size: 11px; font-weight: 850; letter-spacing: .15em; }
.login-card h1 { color: var(--ink); font-size: 31px; letter-spacing: -.025em; }
.login-card .subtitle { margin-bottom: 28px; color: var(--muted); line-height: 1.5; }
.login-card .form-group { margin-bottom: 17px; }
.login-card input { padding: 13px 14px; }
.login-card #loginBtn { padding: 13px; border-radius: 10px; }
.login-card .test-account { margin-top: 22px; border: 1px solid var(--line); background: var(--surface-alt); text-align: center; }

@media (max-width: 720px) {
    .portal-bar, .topbar { align-items: flex-start; gap: 12px; padding: 10px 16px; }
    .brand-logo { width: 44px; height: 44px; flex-basis: 44px; }
    .brand-copy small { display: none; }
    .brand-copy strong { font-size: 13px; }
    .teacher-info, .bar-actions { flex-wrap: wrap; justify-content: flex-end; }
    #teacherName, #adminName { width: 100%; text-align: right; font-size: 12px; }
    .container, .portal-main { width: min(100% - 24px, 1180px); padding-left: 0; padding-right: 0; }
    .welcome::after, .course-header::after { display: none; }
    .login-card { padding: 28px 22px 30px; }
    .login-brand, .login-crest { width: 118px; height: 118px; }
    .courses-section > .section-header { padding: 20px 18px 4px; }
    #addCourseBtn, .delete-btn { padding: 10px 14px !important; }
    .change-password-btn { padding: 8px 11px; font-size: 12px; }
    .password-panel { margin-top: -14px; padding: 22px 18px; }
    .password-form { grid-template-columns: 1fr; }
}

/* =====================================================
   CAMPUS GARDEN DESIGN SYSTEM — RED-LED, GOLD-ACCENTED
===================================================== */

:root {
    --brand: #b20d1b;
    --brand-bright: #d11726;
    --brand-dark: #760811;
    --brand-deep: #420308;
    --brand-soft: #fff0f1;
    --brand-pale: #fff8f5;
    --gold: #c9a34a;
    --gold-soft: #f3e4b6;
    --ink: #27191b;
    --muted: #746367;
    --line: rgba(121, 20, 28, .15);
    --surface: rgba(255, 252, 250, .72);
    --surface-strong: rgba(255, 255, 255, .82);
    --surface-alt: rgba(255, 246, 243, .68);
    --shadow-sm: 0 16px 42px rgba(46, 2, 7, .18);
    --shadow-lg: 0 28px 80px rgba(38, 1, 5, .3);
    --radius: 24px;
}

body {
    min-height: 100vh;
    color: var(--ink);
    background-color: #f4f4f1;
    background-image: url("/assets/garden-view.jpg");
    background-position: center;
    background-size: cover;
    background-repeat: no-repeat;
    background-attachment: fixed;
}

body::selection {
    color: #fff;
    background: var(--brand);
}

.portal-bar,
.topbar {
    min-height: 82px;
    padding: 12px clamp(18px, 4vw, 58px);
    color: var(--ink);
    background: #fff;
    border: 0;
    border-bottom: 4px solid var(--brand);
    box-shadow: 0 10px 30px rgba(39, 25, 27, .16);
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    position: sticky;
    top: 0;
    z-index: 50;
}

.portal-bar::after,
.topbar::after {
    content: "";
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 4px;
    background: linear-gradient(90deg, var(--brand-dark), var(--brand-bright), var(--brand-dark));
    opacity: 1;
    pointer-events: none;
}

.portal-bar .brand-lockup,
.topbar .brand-lockup,
.portal-bar a,
.topbar a {
    color: var(--brand-dark);
}

.portal-bar .brand-copy small,
.topbar .brand-copy small,
#teacherName,
#adminName {
    color: var(--muted);
}

.brand-logo {
    width: 56px;
    height: 56px;
    flex-basis: 56px;
    padding: 2px;
    background: rgba(255, 255, 255, .97);
    box-shadow:
        0 0 0 2px rgba(255, 255, 255, .96),
        0 0 0 4px rgba(215, 175, 79, .62),
        0 10px 24px rgba(40, 0, 4, .26);
}

.brand-copy strong {
    color: var(--brand-dark);
    font-size: 16px;
    letter-spacing: .015em;
}

.portal-main,
.container {
    width: min(1220px, calc(100% - 44px));
    margin-inline: auto;
    padding-top: clamp(34px, 5vw, 60px);
    padding-bottom: 76px;
}

.panel,
.courses-section,
.students-section,
.attendance-section,
.history-section,
.marks-section,
.settings-panel,
.attendance-editor,
.password-panel,
.course-header,
.welcome {
    position: relative;
    border: 1px solid rgba(255, 255, 255, .66) !important;
    border-radius: var(--radius) !important;
    background: var(--surface) !important;
    box-shadow:
        0 24px 64px rgba(35, 1, 5, .25),
        inset 0 1px 0 rgba(255, 255, 255, .85) !important;
    backdrop-filter: blur(18px) saturate(125%);
    -webkit-backdrop-filter: blur(18px) saturate(125%);
}

.panel,
.courses-section,
.students-section,
.attendance-section,
.history-section,
.marks-section,
.settings-panel,
.attendance-editor,
.password-panel {
    overflow: hidden;
}

.panel::before,
.courses-section::before,
.students-section::before,
.attendance-section::before,
.history-section::before,
.marks-section::before,
.settings-panel::before,
.attendance-editor::before,
.password-panel::before {
    display: none;
}

.panel,
.course-card,
.courses-section,
.students-section,
.attendance-section,
.history-section,
.marks-section,
.settings-panel,
.attendance-editor,
.password-panel {
    animation: surface-rise .42s ease both;
}

@keyframes surface-rise {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.welcome,
.course-header {
    color: #fff;
    overflow: hidden;
    border-color: rgba(232, 198, 111, .48) !important;
    background:
        radial-gradient(circle at 86% 40%, rgba(225, 185, 82, .16), transparent 14rem),
        linear-gradient(125deg, rgba(72, 3, 10, .92), rgba(183, 12, 29, .84)) !important;
    box-shadow: 0 26px 70px rgba(41, 0, 5, .34) !important;
}

.welcome h1,
.course-header h1,
.welcome p,
.course-header .course-details,
.course-header .course-details strong,
.course-header .result-code {
    color: #fff !important;
}

.welcome p,
.course-header .course-details {
    color: rgba(255, 255, 255, .8) !important;
}

.welcome::after,
.course-header::after {
    color: rgba(255, 226, 157, .16);
}

.course-header {
    border-left: 0;
    padding: clamp(26px, 4vw, 38px);
}

.welcome {
    padding: clamp(28px, 4vw, 46px);
}

.section-title h2,
.section-header h2,
.panel h1,
.panel h2,
.password-panel-heading h2 {
    color: var(--brand-dark) !important;
    letter-spacing: -.02em;
}

.section-title h2::after,
.section-header h2::after,
.panel-heading h2::after,
.password-panel-heading h2::after,
.welcome h1::after,
.course-header h1::after,
.hero-copy h1::after,
.hero-panel > h1::after,
.login-card h1::after,
.panel > h1::after,
.panel > h2::after,
.course-card h3::after,
.form-header h2::after,
.settings-group h3::after,
.attendance-editor-header h3::after,
.audit-panel h3::after,
.result-heading h2::after {
    content: "";
    display: block;
    width: 36px;
    height: 3px;
    margin-top: 8px;
    border-radius: 999px;
    background: var(--gold);
}

.welcome h1::after {
    width: 44px;
    background: #e1bd62;
}

.course-header h1::after {
    width: 44px;
    background: #e1bd62;
}

.login-card h1::after,
.hero-panel > h1::after {
    margin-right: auto;
    margin-left: auto;
}

.course-card h3::after {
    width: 28px;
    height: 2px;
    margin-top: 7px;
}

.courses-section > .section-header {
    padding: 30px 32px 8px;
}

.course-card {
    min-height: 300px;
    padding: 26px;
    border: 1px solid rgba(120, 12, 22, .14) !important;
    border-top: 1px solid rgba(120, 12, 22, .14) !important;
    border-radius: 18px !important;
    background:
        linear-gradient(145deg, rgba(255, 255, 255, .74), rgba(255, 244, 242, .66)) !important;
    box-shadow: 0 14px 34px rgba(60, 2, 8, .13) !important;
}

.course-card::after {
    content: "π";
    position: absolute;
    right: 20px;
    top: 16px;
    color: rgba(177, 13, 27, .08);
    font: 700 48px Georgia, serif;
    pointer-events: none;
}

.course-card:hover {
    transform: translateY(-6px);
    border-color: rgba(185, 16, 31, .32) !important;
    box-shadow: 0 24px 48px rgba(55, 1, 7, .2) !important;
}

.course-card h3 {
    color: var(--brand-dark);
}

button,
.primary-btn,
.secondary-btn {
    min-height: 42px;
    border-radius: 12px;
}

.primary,
.primary-btn,
#loginBtn,
#saveMarksBtn,
.open-course-btn,
.create-course-btn,
.delete-btn {
    background: linear-gradient(135deg, var(--brand-bright), var(--brand-dark)) !important;
    border-color: rgba(92, 5, 13, .9) !important;
    color: #fff !important;
    box-shadow: 0 10px 24px rgba(145, 8, 20, .24) !important;
}

.primary:hover,
.primary-btn:hover,
#loginBtn:hover,
#saveMarksBtn:hover,
.open-course-btn:hover,
.create-course-btn:hover,
.delete-btn:hover {
    background: linear-gradient(135deg, #df1c2d, #8c0713) !important;
    box-shadow: 0 14px 28px rgba(119, 4, 16, .31) !important;
}

.excel-btn,
button.excel-btn {
    background: linear-gradient(135deg, #218453, #12643c) !important;
    border-color: #0e5633 !important;
    box-shadow: 0 9px 20px rgba(14, 91, 54, .24) !important;
}

.secondary-btn,
.cancel-course-btn,
#addCourseBtn,
.change-password-btn,
.return-admin-btn {
    border: 1px solid rgba(142, 9, 20, .34) !important;
    background: rgba(255, 255, 255, .94) !important;
    color: var(--brand-dark) !important;
    box-shadow: 0 7px 18px rgba(65, 2, 8, .08) !important;
}

.secondary-btn:hover,
.cancel-course-btn:hover,
#addCourseBtn:hover,
.change-password-btn:hover,
.return-admin-btn:hover {
    border-color: var(--brand) !important;
    background: var(--brand-soft) !important;
    color: var(--brand-dark) !important;
}

.portal-bar button,
.topbar button {
    border-color: var(--brand-dark) !important;
    background: linear-gradient(135deg, var(--brand-bright), var(--brand-dark)) !important;
    color: #fff !important;
    box-shadow: 0 8px 18px rgba(119, 4, 16, .2) !important;
    backdrop-filter: none;
}

.portal-bar button:hover,
.topbar button:hover {
    border-color: var(--brand-dark) !important;
    background: linear-gradient(135deg, #df1c2d, #8c0713) !important;
}

.back-btn {
    margin-bottom: 22px;
    padding: 10px 15px;
    border: 1px solid var(--brand-dark);
    border-radius: 999px;
    color: #fff;
    background: var(--brand);
    box-shadow: 0 9px 22px rgba(119, 4, 16, .28);
    backdrop-filter: none;
}

.back-btn:hover {
    color: #fff;
    background: var(--brand-bright);
    text-decoration: none;
}

input,
select,
textarea,
.file-input {
    border: 1px solid rgba(118, 8, 17, .2) !important;
    border-radius: 12px !important;
    background: rgba(255, 255, 255, .94) !important;
}

input:focus,
select:focus,
textarea:focus {
    border-color: var(--brand) !important;
    box-shadow: 0 0 0 4px rgba(178, 13, 27, .12) !important;
}

.table-wrap,
.marks-table-wrapper,
.summary-table-wrapper {
    max-width: 100%;
    overflow-x: auto !important;
    overflow-y: hidden;
    overscroll-behavior-inline: contain;
    touch-action: pan-x pan-y;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
    border: 1px solid rgba(116, 8, 18, .15) !important;
    border-radius: 15px !important;
    background: rgba(255, 255, 255, .95) !important;
    box-shadow: inset 0 1px 0 #fff;
}

th,
.student-table th,
.marks-table th,
.summary-table th {
    color: #fff !important;
    background: linear-gradient(180deg, #a90c19, #7b0711) !important;
    border-color: rgba(255, 255, 255, .12) !important;
}

td {
    background: rgba(255, 255, 255, .82);
    border-color: rgba(120, 14, 23, .12) !important;
}

tbody tr:hover td {
    background: #fff4f2;
}

.assignment-header,
.marks-assignment-header,
.quiz-header,
.marks-quiz-header {
    color: #fff !important;
}

.total-header {
    color: #4c3200 !important;
    background: linear-gradient(180deg, #f3da94, #dfbc5d) !important;
}

.total-cell {
    color: #6c4803 !important;
    background: #fff6dc !important;
}

.settings-group,
.test-account,
.result-meta div,
.attendance-card,
.audit-panel {
    border-color: rgba(124, 11, 20, .13) !important;
    background: rgba(255, 246, 243, .82) !important;
}

.hero-panel {
    border-color: rgba(255, 255, 255, .72) !important;
}

.hero-layout {
    background:
        radial-gradient(circle at 14% 50%, rgba(206, 22, 38, .1), transparent 16rem),
        var(--surface) !important;
}

.hero-copy h1 {
    color: var(--brand-dark) !important;
}

.eyebrow,
.login-eyebrow {
    color: var(--brand) !important;
}

.feature-strip span {
    border-color: rgba(180, 13, 28, .2);
    background: rgba(255, 238, 238, .9);
    color: var(--brand-dark);
}

.action-card {
    border: 1px solid rgba(149, 11, 23, .17);
    border-left: 5px solid var(--brand);
    border-radius: 16px;
    background: rgba(255, 255, 255, .9);
    box-shadow: 0 10px 28px rgba(66, 2, 8, .1);
}

.action-card::after {
    color: var(--brand);
}

.action-card:hover {
    border-color: rgba(181, 15, 31, .4);
    transform: translateY(-4px);
    box-shadow: 0 18px 34px rgba(65, 1, 8, .17);
}

.login-container {
    width: min(calc(100% - 28px), 480px);
    padding: 38px 0;
}

.login-card {
    padding: 38px 42px 40px;
    border: 1px solid rgba(255, 255, 255, .75) !important;
    border-top: 1px solid rgba(255, 255, 255, .75) !important;
    border-radius: 26px;
    background: rgba(255, 252, 250, .72) !important;
    box-shadow: 0 30px 90px rgba(31, 0, 4, .4) !important;
    backdrop-filter: blur(20px) saturate(125%);
    -webkit-backdrop-filter: blur(20px) saturate(125%);
}

.login-crest,
.hero-crest {
    filter: drop-shadow(0 16px 18px rgba(91, 3, 12, .2));
}

.site-footer {
    color: rgba(255, 255, 255, .78);
    text-shadow: 0 2px 8px rgba(30, 0, 3, .6);
}

.admin-view-notice {
    border: 1px solid rgba(227, 188, 86, .62);
    background: rgba(255, 242, 202, .94) !important;
    color: #684300 !important;
}

.notice,
.message,
.form-message {
    border-radius: 12px;
}

@media (max-width: 850px) {
    body { background-position: 58% center; }
    .portal-main,
    .container { width: min(100% - 28px, 1220px); }
    .panel,
    .students-section,
    .attendance-section,
    .history-section,
    .marks-section { padding: 22px; }
    .courses-section > .section-header { padding: 24px 22px 6px; }
}

@media (max-width: 600px) {
    body {
        background-attachment: scroll;
        background-position: 62% center;
    }
    .portal-bar,
    .topbar {
        min-height: 72px;
        padding: 10px 14px;
    }
    .brand-logo {
        width: 46px;
        height: 46px;
        flex-basis: 46px;
    }
    .teacher-dashboard-page .topbar {
        flex-wrap: wrap;
    }
    .teacher-dashboard-page .teacher-info {
        width: 100%;
        flex: 0 0 100%;
        justify-content: flex-end;
    }
    .teacher-dashboard-page #teacherName {
        width: 100%;
        text-align: right;
    }
    .teacher-dashboard-page .change-password-btn {
        margin-right: auto;
    }
    .portal-main,
    .container {
        width: min(100% - 20px, 1220px);
        padding-top: 24px;
        padding-bottom: 48px;
    }
    .panel,
    .courses-section,
    .students-section,
    .attendance-section,
    .history-section,
    .marks-section,
    .settings-panel,
    .attendance-editor,
    .password-panel,
    .course-header,
    .welcome,
    .login-card {
        border-radius: 19px !important;
    }
    .login-card { padding: 28px 22px 30px; }
    .section-title,
    .section-header,
    .attendance-header,
    .panel-heading {
        align-items: flex-start;
        flex-direction: column;
    }
    .course-actions,
    .attendance-actions,
    .marks-actions,
    .panel-actions,
    .header-actions {
        width: 100%;
        flex-wrap: wrap;
    }

    .portal-main.two-column .table-wrap table {
        min-width: 680px;
    }

}

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    .panel,
    .course-card,
    .courses-section,
    .students-section,
    .attendance-section,
    .history-section,
    .marks-section,
    .settings-panel,
    .attendance-editor,
    .password-panel { animation: none; }
}