/*
 * humzaimran.com — base stylesheet.
 *
 * Bootstrap 5.3.8 is vendored alongside this file in M6; these tokens are the
 * layer that sits above it, and are fed from branding settings in M5.
 */

:root {
    --brand-primary: #f0c14a;
    --brand-primary-dark: #c9a13a;
    --brand-accent: #f6d56a;

    --ink: #0f172a;
    --ink-soft: #334155;
    --ink-muted: #64748b;

    --surface: #ffffff;
    --surface-alt: #f8fafc;
    --border: #e2e8f0;

    --radius: 12px;
    --radius-sm: 8px;
    --shadow-sm: 0 1px 2px rgb(15 23 42 / 6%);
    --shadow-md: 0 8px 24px rgb(15 23 42 / 8%);

    --container: 1120px;
    --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

*,
*::before,
*::after {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.65;
    color: var(--ink);
    background: var(--surface);
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
    line-height: 1.2;
    letter-spacing: -0.015em;
}

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

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.skip-link {
    position: absolute;
    left: -9999px;
    top: 0;
    z-index: 100;
    padding: 0.75rem 1.25rem;
    background: var(--brand-primary);
    color: #fff;
    text-decoration: none;
    border-radius: 0 0 var(--radius-sm) 0;
}

.skip-link:focus {
    left: 0;
}

:focus-visible {
    outline: 3px solid var(--brand-accent);
    outline-offset: 2px;
}

/* ---------------------------------------------------------------- buttons */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 1.15rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn-lg {
    padding: 0.8rem 1.6rem;
    font-size: 1rem;
}

.btn-primary {
    background: var(--brand-primary);
    color: #fff;
}

.btn-primary:hover {
    background: var(--brand-primary-dark);
}

.btn-outline {
    border-color: var(--border);
    color: var(--ink);
    background: var(--surface);
}

.btn-outline:hover {
    border-color: var(--ink-muted);
}

.btn-ghost {
    color: var(--ink-soft);
}

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

/* ------------------------------------------------------------- navigation */

.site-header {
    border-bottom: 1px solid var(--border);
    background: var(--surface);
    position: sticky;
    top: 0;
    z-index: 50;
}

.site-nav {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0.85rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.site-nav__brand {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 700;
    color: var(--ink);
    text-decoration: none;
    white-space: nowrap;
}

.site-nav__mark {
    display: inline-grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 9px;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    color: #fff;
    font-size: 0.8rem;
    letter-spacing: 0.02em;
}

.site-nav__menu {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-left: auto;
}

.site-nav__list {
    display: flex;
    align-items: center;
    gap: 1.1rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.site-nav__link {
    color: var(--ink-soft);
    text-decoration: none;
    font-size: 0.93rem;
    white-space: nowrap;
}

.site-nav__link:hover,
.site-nav__link.is-active {
    color: var(--brand-primary);
}

.site-nav__actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-nav__toggle {
    display: none;
    margin-left: auto;
    width: 42px;
    height: 38px;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    background: var(--surface);
    cursor: pointer;
}

.site-nav__bars,
.site-nav__bars::before,
.site-nav__bars::after {
    display: block;
    width: 18px;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
    margin: 0 auto;
    position: relative;
}

.site-nav__bars::before,
.site-nav__bars::after {
    content: "";
    position: absolute;
}

.site-nav__bars::before { top: -6px; }
.site-nav__bars::after  { top: 6px; }

/* ------------------------------------------------------------------- hero */

.hero {
    padding: 6rem 1.5rem 4rem;
    background:
        radial-gradient(900px 340px at 50% -10%, rgb(14 165 233 / 12%), transparent 70%),
        var(--surface);
}

.hero__inner {
    max-width: 760px;
    margin: 0 auto;
    text-align: center;
}

.hero__eyebrow {
    margin: 0 0 0.75rem;
    color: var(--ink-muted);
    font-size: 0.95rem;
}

.hero__title {
    margin: 0 0 1rem;
    font-size: clamp(2.1rem, 5.5vw, 3.4rem);
}

.hero__intro {
    margin: 0 auto 2rem;
    max-width: 620px;
    color: var(--ink-soft);
    font-size: 1.1rem;
}

.hero__actions {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* --------------------------------------------------------------- pillars */

.pillars {
    padding: 3.5rem 1.5rem 5rem;
    background: var(--surface-alt);
    border-top: 1px solid var(--border);
}

.pillars__inner {
    max-width: var(--container);
    margin: 0 auto;
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.pillar {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.75rem;
    box-shadow: var(--shadow-sm);
}

.pillar__title {
    margin: 0 0 0.6rem;
    font-size: 1.15rem;
}

.pillar__body {
    margin: 0 0 1.1rem;
    color: var(--ink-soft);
    font-size: 0.96rem;
}

.pillar__link {
    font-weight: 600;
    font-size: 0.92rem;
    text-decoration: none;
}

.pillar__link:hover {
    text-decoration: underline;
}

/* ----------------------------------------------------- placeholder pages */

.placeholder {
    padding: 6rem 1.5rem;
}

.placeholder__inner {
    max-width: 620px;
    margin: 0 auto;
    text-align: center;
}

.placeholder__badge {
    display: inline-block;
    margin: 0 0 1.25rem;
    padding: 0.3rem 0.85rem;
    border-radius: 999px;
    background: rgb(29 78 216 / 8%);
    color: var(--brand-primary);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    text-transform: uppercase;
}

.placeholder__title {
    margin: 0 0 0.75rem;
    font-size: clamp(1.8rem, 4vw, 2.5rem);
}

.placeholder__blurb {
    margin: 0 0 1rem;
    color: var(--ink-soft);
    font-size: 1.05rem;
}

.placeholder__note {
    margin: 0 0 2rem;
    color: var(--ink-muted);
    font-size: 0.9rem;
}

/* ----------------------------------------------------------------- footer */

.site-footer {
    border-top: 1px solid var(--border);
    background: var(--surface-alt);
}

.site-footer__inner {
    max-width: var(--container);
    margin: 0 auto;
    padding: 2.5rem 1.5rem;
    text-align: center;
}

.site-footer__brand {
    margin: 0;
    font-weight: 700;
}

.site-footer__tagline {
    margin: 0.2rem 0 1rem;
    color: var(--ink-muted);
    font-size: 0.93rem;
}

.site-footer__legal {
    margin: 0;
    color: var(--ink-muted);
    font-size: 0.85rem;
}

/* ------------------------------------------------------------ error pages */

.error-page__inner {
    max-width: 540px;
    margin: 0 auto;
    padding: 6rem 1.5rem;
    text-align: center;
}

.error-page__code {
    margin: 0;
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--brand-primary);
}

.error-page__title {
    margin: 0.75rem 0 0.75rem;
    font-size: 1.5rem;
}

.error-page__message {
    margin: 0 0 2rem;
    color: var(--ink-soft);
}

/* ------------------------------------------------------------ responsive */

@media (max-width: 960px) {
    .site-nav__toggle {
        display: block;
    }

    .site-nav__menu {
        display: none;
        position: absolute;
        left: 0;
        right: 0;
        top: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 0.5rem;
        padding: 1rem 1.5rem 1.5rem;
        background: var(--surface);
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
    }

    .site-nav__menu.is-open {
        display: flex;
    }

    .site-nav {
        position: relative;
        flex-wrap: wrap;
    }

    .site-nav__list {
        flex-direction: column;
        align-items: stretch;
        gap: 0.15rem;
    }

    .site-nav__link {
        display: block;
        padding: 0.55rem 0;
        border-bottom: 1px solid var(--border);
    }

    .site-nav__actions {
        padding-top: 0.75rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* ------------------------------------------------------- signed-in nav */

.site-nav__user {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    text-decoration: none;
    color: var(--ink);
    font-size: .9rem;
    font-weight: 600;
}

.site-nav__avatar {
    display: inline-grid;
    place-items: center;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--brand-primary), var(--brand-accent));
    color: #fff;
    font-size: .72rem;
}

.site-nav__avatar--img {
    object-fit: cover;
    padding: 0;
    background: var(--navy-3);
}

.site-nav__logout {
    margin: 0;
    display: inline;
}

/* ----------------------------------------------------------- dashboard */

.dashboard {
    padding: 3rem 1.5rem 5rem;
}

.dashboard__inner {
    max-width: var(--container);
    margin: 0 auto;
}

.dashboard__header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.alert__link {
    display: inline;
    margin-left: .35rem;
    cursor: pointer;
    font-weight: 700;
    text-decoration: underline;
}

.dashboard__eyebrow {
    margin: 0 0 .35rem;
    color: var(--ink-muted);
    font-size: .88rem;
}

.dashboard__title {
    margin: 0;
    font-size: clamp(1.6rem, 3.5vw, 2.2rem);
}

.dashboard__section-title {
    margin: 2rem 0 1rem;
    font-size: 1.2rem;
}

.stat--tab {
    cursor: pointer;
    margin: 0;
}

.stat--tab:focus-visible,
.dash-tabs__tab:focus-visible {
    outline: 2px solid var(--brand-primary);
    outline-offset: 2px;
}

.dash-shell {
    margin-top: 1.6rem;
}

.dash-radio {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.dash-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: .2rem;
    padding: .28rem;
    margin: 0 0 1.5rem;
    background: var(--surface-glass);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.dash-tabs__tab {
    flex: 1 1 9rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    min-height: 44px;
    padding: .55rem 1.1rem;
    border-radius: 999px;
    color: var(--ink-muted);
    font-weight: 600;
    cursor: pointer;
    white-space: nowrap;
    transition: background .2s ease, color .2s ease;
}

.dash-tabs__tab:hover {
    color: var(--ink);
    background: rgb(255 255 255 / 4%);
}

.dash-tabs__count {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 1.35rem;
    height: 1.35rem;
    padding: 0 .35rem;
    border-radius: 999px;
    font-size: .72rem;
    font-weight: 700;
    background: var(--brand-soft);
    color: var(--brand-primary);
}

.dash-panel {
    display: none;
    animation: dash-panel-in .28s ease;
}

.dash-panel .dashboard__section-title:first-child {
    margin-top: 0;
}

#dash-tab-classroom:checked ~ .dash-panel--classroom,
#dash-tab-todo:checked ~ .dash-panel--todo,
#dash-tab-grades:checked ~ .dash-panel--grades,
#dash-tab-calendar:checked ~ .dash-panel--calendar,
#dash-tab-archived:checked ~ .dash-panel--archived,
#dash-tab-courses:checked ~ .dash-panel--courses,
#dash-tab-account:checked ~ .dash-panel--account {
    display: block;
}

#dash-tab-classroom:checked ~ .dash-tabs [for="dash-tab-classroom"],
#dash-tab-todo:checked ~ .dash-tabs [for="dash-tab-todo"],
#dash-tab-grades:checked ~ .dash-tabs [for="dash-tab-grades"],
#dash-tab-calendar:checked ~ .dash-tabs [for="dash-tab-calendar"],
#dash-tab-archived:checked ~ .dash-tabs [for="dash-tab-archived"],
#dash-tab-courses:checked ~ .dash-tabs [for="dash-tab-courses"],
#dash-tab-account:checked ~ .dash-tabs [for="dash-tab-account"] {
    background: var(--gradient-brand);
    color: var(--on-brand);
    box-shadow: var(--shadow-brand);
}

#dash-tab-classroom:checked ~ .dash-tabs [for="dash-tab-classroom"] .dash-tabs__count,
#dash-tab-todo:checked ~ .dash-tabs [for="dash-tab-todo"] .dash-tabs__count,
#dash-tab-grades:checked ~ .dash-tabs [for="dash-tab-grades"] .dash-tabs__count,
#dash-tab-calendar:checked ~ .dash-tabs [for="dash-tab-calendar"] .dash-tabs__count,
#dash-tab-archived:checked ~ .dash-tabs [for="dash-tab-archived"] .dash-tabs__count,
#dash-tab-courses:checked ~ .dash-tabs [for="dash-tab-courses"] .dash-tabs__count,
#dash-tab-account:checked ~ .dash-tabs [for="dash-tab-account"] .dash-tabs__count {
    background: rgb(12 16 32 / 22%);
    color: var(--on-brand);
}

@keyframes dash-panel-in {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: none; }
}

@media (prefers-reduced-motion: reduce) {
    .dash-panel { animation: none; }
}

.stat-row {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.stat {
    padding: 1.4rem 1.5rem;
    background: var(--surface-alt);
    border: 1px solid var(--border);
    border-radius: var(--radius);
}

.stat__value {
    margin: 0;
    font-size: 1.9rem;
    font-weight: 700;
    line-height: 1.1;
    color: var(--brand-primary);
}

.stat__label {
    margin: .3rem 0 0;
    color: var(--ink-muted);
    font-size: .88rem;
}

.card-grid {
    display: grid;
    gap: 1.1rem;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
}

.card {
    padding: 1.4rem;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
}

.card__title {
    margin: 0 0 .9rem;
    font-size: 1.02rem;
}

.card__meta {
    margin: .5rem 0 0;
    color: var(--ink-muted);
    font-size: .85rem;
}

.progress {
    height: 6px;
    border-radius: 999px;
    background: var(--border);
    overflow: hidden;
}

.progress__fill {
    display: block;
    height: 100%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--brand-primary), var(--brand-accent));
}

.empty {
    padding: 3rem 1.5rem;
    text-align: center;
    background: var(--surface-alt);
    border: 1px dashed var(--border);
    border-radius: var(--radius);
}

.empty__title {
    margin: 0 0 .4rem;
    font-weight: 600;
}

.empty__body {
    margin: 0 0 1.5rem;
    color: var(--ink-muted);
    font-size: .92rem;
}