/**
 * GoDigiSchool Teacher Portal — Login page
 * Full-screen carousel + focused sign-in experience
 */

:root {
    --gds-login-primary: #fd7e14;
    --gds-login-primary-dark: #e56b00;
    --gds-login-ink: #0f172a;
    --gds-login-ink-soft: #475569;
    --gds-login-sky: #38bdf8;
    --gds-login-surface: #ffffff;
    --gds-login-radius: 0.875rem;
    --gds-login-radius-lg: 1.25rem;
    --gds-login-carousel-ms: 6000;
}

.gds-login-page {
    min-height: 100vh;
    font-family: Poppins, system-ui, sans-serif;
    overflow-x: hidden;
}

.gds-login-layout {
    position: relative;
    min-height: 100vh;
    isolation: isolate;
}

/* ── Full-screen background ── */
.gds-login-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
}

.gds-login-bg__slides {
    position: absolute;
    inset: 0;
}

.gds-login-bg__slide {
    position: absolute;
    inset: 0;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transform: scale(1.06);
    transition: opacity 1.2s ease, transform 9s ease;
}

.gds-login-bg__slide.is-active {
    opacity: 1;
    transform: scale(1);
}

.gds-login-bg__slide--attendance { background-image: url("/assets/media/illustrations/login/attendance.png"); }
.gds-login-bg__slide--ai { background-image: url("/assets/media/illustrations/login/ai-dashboard.png"); }
.gds-login-bg__slide--exams { background-image: url("/assets/media/illustrations/login/exams.png"); }
.gds-login-bg__slide--operations { background-image: url("/assets/media/illustrations/login/operations.png"); }
.gds-login-bg__slide--admission { background-image: url("/assets/media/illustrations/login/attendance.png"); background-position: center 30%; }
.gds-login-bg__slide--registers { background-image: url("/assets/media/illustrations/login/exams.png"); background-position: center 35%; }

.gds-login-bg__overlay {
    position: absolute;
    inset: 0;
    background:
        linear-gradient(100deg, rgba(8, 15, 28, 0.82) 0%, rgba(8, 15, 28, 0.5) 48%, rgba(8, 15, 28, 0.78) 100%),
        linear-gradient(to top, rgba(8, 15, 28, 0.7), transparent 50%);
    pointer-events: none;
}

/* ── Foreground layout ── */
.gds-login-foreground {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: minmax(18rem, 26rem) 1fr;
    align-items: center;
    gap: 3rem;
    min-height: 100vh;
    max-width: 76rem;
    margin: 0 auto;
    padding: 2rem 2.5rem;
}

.gds-login-main {
    order: 1;
}

.gds-login-showcase {
    order: 2;
    color: #f1f5f9;
}

/* ── Login card ── */
.gds-login-card {
    width: 100%;
    padding: 2rem 1.85rem;
    border-radius: var(--gds-login-radius-lg);
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow:
        0 1px 2px rgba(15, 23, 42, 0.04),
        0 20px 50px rgba(15, 23, 42, 0.22);
    border: 1px solid rgba(255, 255, 255, 0.9);
    animation: gds-login-card-in 0.5s ease-out;
}

@keyframes gds-login-card-in {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

.gds-login-card__logo {
    display: block;
    margin: 0 auto 1.25rem;
    height: 2.5rem;
    width: auto;
}

.gds-login-card__heading {
    text-align: center;
    margin-bottom: 1.5rem;
}

.gds-login-card__title {
    font-size: 1.45rem;
    font-weight: 700;
    color: var(--gds-login-ink);
    margin-bottom: 0.3rem;
}

.gds-login-card__subtitle {
    font-size: 0.875rem;
    color: var(--gds-login-ink-soft);
    margin: 0;
    line-height: 1.5;
}

.gds-login-input-wrap {
    position: relative;
}

.gds-login-input-icon {
    position: absolute;
    left: 0.9rem;
    top: 50%;
    transform: translateY(-50%);
    width: 1.1rem;
    height: 1.1rem;
    color: #94a3b8;
    pointer-events: none;
    z-index: 1;
}

.gds-login-input-icon svg {
    width: 100%;
    height: 100%;
}

.gds-login-input {
    padding-left: 2.65rem !important;
    padding-right: 2.65rem !important;
    border-radius: var(--gds-login-radius) !important;
    font-size: 0.95rem !important;
}

.gds-login-input--password {
    padding-right: 2.85rem !important;
}

.gds-login-password-toggle {
    position: absolute;
    right: 0.65rem;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: none;
    border-radius: 0.4rem;
    background: transparent;
    color: #94a3b8;
    cursor: pointer;
    transition: color 0.15s ease, background 0.15s ease;
}

.gds-login-password-toggle:hover {
    color: var(--gds-login-primary);
    background: rgba(253, 126, 20, 0.08);
}

.gds-login-password-toggle svg {
    width: 1.1rem;
    height: 1.1rem;
}

.gds-login-eye-closed {
    display: none;
}

.gds-login-password-toggle.is-visible .gds-login-eye-open {
    display: none;
}

.gds-login-password-toggle.is-visible .gds-login-eye-closed {
    display: block;
}

.gds-login-link {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--gds-login-primary);
    text-decoration: none;
}

.gds-login-link:hover {
    color: var(--gds-login-primary-dark);
    text-decoration: underline;
}

.gds-login-card .form-label {
    font-size: 0.85rem;
    color: var(--gds-login-ink-soft);
    margin-bottom: 0.4rem;
}

.gds-login-card .form-control-solid {
    background-color: #f8fafc;
    border-color: #e2e8f0;
    min-height: 3rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.gds-login-card .form-control-solid::placeholder {
    color: #94a3b8;
}

.gds-login-card .form-control-solid:focus {
    background-color: #fff;
    border-color: var(--gds-login-primary);
    box-shadow: 0 0 0 3px rgba(253, 126, 20, 0.12);
}

.gds-login-submit {
    font-weight: 600;
    font-size: 1rem;
    padding-top: 0.8rem !important;
    padding-bottom: 0.8rem !important;
    border-radius: var(--gds-login-radius) !important;
    margin-top: 0.25rem;
}

.gds-login-card .btn-primary {
    background-color: var(--gds-login-primary);
    border-color: var(--gds-login-primary);
}

.gds-login-card .btn-primary:hover {
    background-color: var(--gds-login-primary-dark);
    border-color: var(--gds-login-primary-dark);
}

.gds-login-card__footer {
    margin-top: 1.35rem;
    padding-top: 1.15rem;
    border-top: 1px solid #f1f5f9;
    text-align: center;
}

.gds-login-card__enroll {
    font-size: 0.875rem;
    color: var(--gds-login-ink-soft);
    margin: 0 0 0.65rem;
}

.gds-login-card__enroll a {
    color: var(--gds-login-primary);
    font-weight: 700;
    text-decoration: none;
}

.gds-login-card__enroll a:hover {
    text-decoration: underline;
}

.gds-login-card__secure {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.75rem;
    color: #94a3b8;
    margin: 0;
}

.gds-login-card__secure svg {
    width: 0.85rem;
    height: 0.85rem;
    color: #22c55e;
}

/* ── Showcase panel ── */
.gds-login-showcase__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.8rem;
    margin-bottom: 1.1rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #e0f2fe;
    background: rgba(56, 189, 248, 0.12);
    border: 1px solid rgba(56, 189, 248, 0.25);
}

.gds-login-showcase__badge-dot {
    width: 0.4rem;
    height: 0.4rem;
    border-radius: 50%;
    background: var(--gds-login-sky);
    animation: gds-login-pulse 2.4s ease-in-out infinite;
}

@keyframes gds-login-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.45; }
}

.gds-login-showcase__title {
    font-size: clamp(1.5rem, 2.8vw, 2.15rem);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.75rem;
    color: #fff;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.25);
}

.gds-login-showcase__subtitle {
    font-size: 0.95rem;
    line-height: 1.6;
    color: #cbd5e1;
    margin-bottom: 1.25rem;
    max-width: 32rem;
}

.gds-login-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem 1.25rem;
    list-style: none;
    padding: 0;
    margin: 0 0 1.5rem;
}

.gds-login-highlights li {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: #e2e8f0;
}

.gds-login-highlights svg {
    width: 0.95rem;
    height: 0.95rem;
    color: #4ade80;
    flex-shrink: 0;
}

/* Spotlight carousel */
.gds-login-spotlight {
    background: rgba(15, 23, 42, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--gds-login-radius-lg);
    padding: 1.15rem 1.25rem 1rem;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
}

.gds-login-spotlight__header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 0.85rem;
}

.gds-login-spotlight__counter {
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    color: var(--gds-login-primary);
}

.gds-login-spotlight__label {
    font-size: 0.72rem;
    color: #94a3b8;
    font-weight: 500;
}

.gds-login-feature {
    position: relative;
    min-height: 9.5rem;
    margin-bottom: 0.85rem;
}

.gds-login-feature__card {
    position: absolute;
    inset: 0;
    display: flex;
    gap: 0.85rem;
    opacity: 0;
    transform: translateX(12px);
    transition: opacity 0.4s ease, transform 0.4s ease;
    pointer-events: none;
}

.gds-login-feature__card.is-active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.gds-login-feature__icon {
    flex-shrink: 0;
    width: 2.5rem;
    height: 2.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 0.65rem;
    background: linear-gradient(135deg, rgba(253, 126, 20, 0.3), rgba(56, 189, 248, 0.2));
    color: #fff;
}

.gds-login-feature__icon svg {
    width: 1.2rem;
    height: 1.2rem;
}

.gds-login-feature__title {
    font-size: 0.95rem;
    font-weight: 600;
    color: #f8fafc;
    margin-bottom: 0.3rem;
}

.gds-login-feature__desc {
    font-size: 0.82rem;
    line-height: 1.5;
    color: #cbd5e1;
    margin: 0 0 0.55rem;
}

.gds-login-feature__benefits {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 0.75rem;
}

.gds-login-feature__benefits li {
    font-size: 0.72rem;
    font-weight: 500;
    color: #94a3b8;
    padding-left: 0.85rem;
    position: relative;
}

.gds-login-feature__benefits li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0.45em;
    width: 0.3rem;
    height: 0.3rem;
    border-radius: 50%;
    background: var(--gds-login-primary);
}

.gds-login-carousel-nav {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 0.65rem;
}

.gds-login-carousel-btn {
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2rem;
    height: 2rem;
    padding: 0;
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 0.5rem;
    background: rgba(255, 255, 255, 0.06);
    color: #e2e8f0;
    cursor: pointer;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.gds-login-carousel-btn:hover {
    background: rgba(253, 126, 20, 0.2);
    border-color: rgba(253, 126, 20, 0.4);
    color: #fff;
}

.gds-login-carousel-btn svg {
    width: 1rem;
    height: 1rem;
}

.gds-login-carousel-progress {
    flex: 1;
    height: 3px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.12);
    overflow: hidden;
}

.gds-login-carousel-progress__bar {
    height: 100%;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(90deg, var(--gds-login-primary), #fbbf24);
    transition: width 0.1s linear;
}

.gds-login-feature__dots {
    display: flex;
    justify-content: center;
    gap: 0.4rem;
}

.gds-login-feature__dot {
    width: 1.5rem;
    height: 0.25rem;
    padding: 0;
    border: none;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.2);
    cursor: pointer;
    transition: background 0.25s ease, width 0.25s ease;
}

.gds-login-feature__dot.is-active {
    width: 2rem;
    background: var(--gds-login-primary);
}

.gds-login-showcase__trust {
    font-size: 0.78rem;
    color: #64748b;
    margin: 1rem 0 0;
}

/* ── Responsive ── */
@media (max-width: 991.98px) {
    .gds-login-foreground {
        grid-template-columns: 1fr;
        gap: 1.75rem;
        padding: 1.5rem 1.25rem 2rem;
        max-width: 26rem;
    }

    .gds-login-main {
        order: 1;
    }

    .gds-login-showcase {
        order: 2;
    }

    .gds-login-showcase__title {
        font-size: 1.35rem;
    }

    .gds-login-feature {
        min-height: 10rem;
    }

    .gds-login-bg__slide {
        background-position: center top;
    }
}

@media (max-width: 575.98px) {
    .gds-login-foreground {
        padding: 1.25rem 1rem 1.75rem;
    }

    .gds-login-card {
        padding: 1.65rem 1.25rem;
    }

    .gds-login-highlights {
        flex-direction: column;
        gap: 0.5rem;
    }

    .gds-login-showcase__trust {
        text-align: center;
    }
}

@media (min-width: 992px) {
    .gds-login-main {
        position: sticky;
        top: 2rem;
    }
}