/**
 * Sign-in page (index.php only) — body.login-page.login-page--signin
 * Relies on :root --tvet-* from inline theme in index.php.
 */

body.login-page.login-page--signin {
    background: #070d1a;
    font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

body.login-page.login-page--signin::before {
    display: none;
}

.signin-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.signin-bg__accent {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(
        90deg,
        var(--tvet-primary) 0%,
        var(--tvet-secondary) 50%,
        var(--tvet-accent, var(--tvet-secondary)) 100%
    );
}

.signin-bg__gradient {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 120% 80% at 10% -10%, rgba(255, 255, 255, 0.08), transparent 55%),
        radial-gradient(ellipse 90% 70% at 100% 0%, color-mix(in srgb, var(--tvet-secondary) 35%, transparent), transparent 50%),
        radial-gradient(ellipse 80% 60% at 0% 100%, color-mix(in srgb, var(--tvet-primary) 45%, transparent), transparent 55%),
        linear-gradient(165deg, var(--tvet-dark) 0%, #0a1028 40%, #070d1a 100%);
}

@supports not (background: color-mix(in srgb, red, blue)) {
    .signin-bg__gradient {
        background:
            radial-gradient(ellipse 120% 80% at 10% -10%, rgba(255, 255, 255, 0.08), transparent 55%),
            radial-gradient(ellipse 90% 70% at 100% 0%, rgba(224, 37, 41, 0.22), transparent 50%),
            radial-gradient(ellipse 80% 60% at 0% 100%, rgba(37, 60, 143, 0.35), transparent 55%),
            linear-gradient(165deg, var(--tvet-dark) 0%, #0a1028 40%, #070d1a 100%);
    }
}

.signin-bg__grid {
    position: absolute;
    inset: 0;
    opacity: 0.22;
    background-image:
        linear-gradient(rgba(255, 255, 255, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 85% 70% at 50% 45%, black 20%, transparent 70%);
}

.signin-bg__orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.35;
}

.signin-bg__orb--1 {
    width: min(420px, 55vw);
    height: min(420px, 55vw);
    top: -12%;
    right: -8%;
    background: var(--tvet-primary);
}

.signin-bg__orb--2 {
    width: min(360px, 50vw);
    height: min(360px, 50vw);
    bottom: -15%;
    left: -10%;
    background: var(--tvet-secondary);
}

.signin-shell {
    position: relative;
    z-index: 1;
    flex: 1 1 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: stretch;
    width: 100%;
    min-height: 0;
    padding: 0;
}

.signin-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(300px, 440px);
    gap: clamp(1.75rem, 5vw, 3.5rem);
    align-items: center;
    max-width: 1120px;
    margin: 0 auto;
    width: 100%;
    padding: clamp(1rem, 3vh, 2.5rem) clamp(1rem, 4vw, 2rem);
    box-sizing: border-box;
}

.signin-hero {
    color: rgba(255, 255, 255, 0.92);
    padding-right: clamp(0.5rem, 2vw, 2rem);
}

.signin-hero__eyebrow {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.55);
    margin: 0 0 0.75rem;
    padding: 0.35rem 0.65rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 255, 255, 0.12);
    background: rgba(255, 255, 255, 0.04);
}

.signin-hero__title {
    font-size: clamp(1.65rem, 3.2vw, 2.35rem);
    font-weight: 700;
    line-height: 1.15;
    margin: 0 0 0.85rem;
    letter-spacing: -0.02em;
}

.signin-hero__lead {
    font-size: clamp(0.95rem, 1.6vw, 1.1rem);
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.72);
    margin: 0 0 1.5rem;
    max-width: 36ch;
}

.signin-hero__points {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.65rem;
}

.signin-hero__points li {
    display: flex;
    align-items: flex-start;
    gap: 0.6rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.78);
    line-height: 1.45;
}

.signin-hero__points i {
    margin-top: 0.15rem;
    color: color-mix(in srgb, var(--tvet-secondary) 90%, white);
    font-size: 0.85rem;
    flex-shrink: 0;
}

@supports not (color: color-mix(in srgb, red, blue)) {
    .signin-hero__points i {
        color: var(--tvet-secondary);
    }
}

.signin-panel {
    width: 100%;
    min-width: 0;
}

body.login-page.login-page--signin .login-container {
    flex: unset;
    display: block;
    max-width: 440px;
    width: 100%;
    margin: 0 auto;
    padding: 12px 16px;
    box-sizing: border-box;
}

body.login-page.login-page--signin .login-box {
    background: rgba(255, 255, 255, 0.96);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.65);
    box-shadow:
        0 0 0 1px rgba(15, 23, 42, 0.04),
        0 24px 48px -12px rgba(15, 23, 42, 0.35),
        0 12px 24px -8px rgba(15, 23, 42, 0.2);
    overflow: hidden;
    backdrop-filter: blur(14px);
}

body.login-page.login-page--signin .login-header {
    text-align: center;
    padding: 1.35rem 1.5rem 1.15rem;
    background: linear-gradient(180deg, #f8fafc 0%, #ffffff 100%);
    border-bottom: 1px solid rgba(15, 23, 42, 0.06);
    color: inherit;
    position: relative;
}

body.login-page.login-page--signin .login-header::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 3px;
    border-radius: 999px;
    background: linear-gradient(
        90deg,
        var(--tvet-primary),
        var(--tvet-secondary)
    );
    opacity: 0.85;
}

body.login-page.login-page--signin .login-logo {
    margin-bottom: 0.65rem;
}

body.login-page.login-page--signin .login-system-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: #0f172a;
}

body.login-page.login-page--signin .login-tagline {
    font-size: 0.8125rem;
    color: #64748b;
    max-width: 32ch;
    margin-left: auto;
    margin-right: auto;
}

body.login-page.login-page--signin .login-form {
    padding: 1.25rem 1.5rem 1.5rem;
}

body.login-page.login-page--signin .login-form .form-group label {
    font-size: 0.8125rem;
    font-weight: 600;
    color: #334155;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

body.login-page.login-page--signin .login-form label i {
    color: var(--tvet-primary);
    opacity: 0.9;
}

body.login-page.login-page--signin .login-form .form-control,
body.login-page.login-page--signin .login-form input:not([type="checkbox"]):not([type="radio"]) {
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    padding: 0.65rem 0.85rem;
    font-size: 0.9375rem;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

body.login-page.login-page--signin .login-form .form-control:focus,
body.login-page.login-page--signin .login-form input:not([type="checkbox"]):not([type="radio"]):focus {
    outline: none;
    border-color: var(--tvet-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--tvet-primary) 18%, transparent);
}

@supports not (box-shadow: 0 0 0 3px color-mix(in srgb, red, blue)) {
    body.login-page.login-page--signin .login-form .form-control:focus,
    body.login-page.login-page--signin .login-form input:not([type="checkbox"]):not([type="radio"]):focus {
        box-shadow: 0 0 0 3px rgba(37, 60, 143, 0.15);
    }
}

body.login-page.login-page--signin .password-field__toggle {
    border-radius: 8px;
}

body.login-page.login-page--signin .login-form .btn-block {
    margin-top: 0.35rem;
    padding: 0.75rem 1rem;
    font-size: 0.9375rem;
    font-weight: 600;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--tvet-primary) 0%, var(--tvet-dark) 100%);
    color: #fff;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--tvet-primary) 40%, transparent);
    transition: transform 0.15s ease, box-shadow 0.2s ease, filter 0.2s ease;
}

@supports not (box-shadow: 0 4px 14px color-mix(in srgb, red, blue)) {
    body.login-page.login-page--signin .login-form .btn-block {
        box-shadow: 0 4px 14px rgba(37, 60, 143, 0.35);
    }
}

body.login-page.login-page--signin .login-form .btn-block:hover {
    filter: brightness(1.05);
    box-shadow: 0 8px 22px rgba(37, 60, 143, 0.4);
}

body.login-page.login-page--signin .login-form .btn-block:active {
    transform: translateY(1px);
}

body.login-page.login-page--signin .alert {
    margin: 0 1.25rem 0.65rem;
    padding: 0.65rem 0.85rem;
    border-radius: 10px;
    font-size: 0.8125rem;
    line-height: 1.45;
    border: 1px solid transparent;
}

body.login-page.login-page--signin .alert-danger {
    background: #fff5f5;
    border-color: #fed7d7;
    color: #9b2c2c;
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
}

body.login-page.login-page--signin .login-alert--success,
body.login-page.login-page--signin .login-alert--info {
    border-radius: 10px;
}

body.login-page.login-page--signin .site-footer.site-footer--login {
    position: relative;
    z-index: 1;
    background: transparent;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 1rem;
    padding-bottom: max(1rem, env(safe-area-inset-bottom, 0px));
    padding-left: max(0.75rem, env(safe-area-inset-left, 0px));
    padding-right: max(0.75rem, env(safe-area-inset-right, 0px));
}

body.login-page.login-page--signin .site-footer.site-footer--login .container.footer-content {
    padding-left: 1rem;
    padding-right: 1rem;
    width: 100%;
    max-width: 1120px;
    box-sizing: border-box;
}

body.login-page.login-page--signin .site-footer.site-footer--login .footer-content,
body.login-page.login-page--signin .footer-login-meta {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.8125rem;
}

body.login-page.login-page--signin .footer-login-copy,
body.login-page.login-page--signin .footer-login-org {
    overflow-wrap: anywhere;
    word-break: break-word;
}

body.login-page.login-page--signin .footer-login-extra a {
    color: rgba(255, 255, 255, 0.95);
}

body.login-page.login-page--signin .footer-login-extra a:hover {
    color: #fff;
}

@media (max-width: 900px) {
    .signin-layout {
        grid-template-columns: 1fr;
        max-width: 440px;
        padding-top: 0.5rem;
    }

    .signin-hero {
        text-align: center;
        padding-right: 0;
        order: 0;
    }

    .signin-hero__lead {
        margin-left: auto;
        margin-right: auto;
    }

    .signin-hero__points {
        display: none;
    }

    .signin-panel {
        order: 1;
    }
}

@media (max-width: 639px) {
    body.login-page.login-page--signin .site-footer.site-footer--login {
        padding-top: 0.85rem;
        margin-top: 0.25rem;
    }

    body.login-page.login-page--signin .site-footer.site-footer--login .container.footer-content {
        padding-left: max(1rem, env(safe-area-inset-left, 0px));
        padding-right: max(1rem, env(safe-area-inset-right, 0px));
    }

    body.login-page.login-page--signin .footer-content--login {
        gap: 0.5rem;
    }

    body.login-page.login-page--signin .footer-login-meta {
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        text-align: center;
        line-height: 1.5;
    }

    body.login-page.login-page--signin .footer-login-copy {
        font-size: 0.75rem;
        max-width: min(100%, 20rem);
        hyphens: auto;
    }

    body.login-page.login-page--signin .footer-login-org {
        font-size: 0.72rem;
        color: rgba(255, 255, 255, 0.55);
        padding-top: 0.55rem;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        width: min(100%, 16rem);
    }
}

@media (max-width: 380px) {
    body.login-page.login-page--signin .footer-login-copy {
        font-size: 0.7rem;
        line-height: 1.4;
    }

    body.login-page.login-page--signin .footer-login-org {
        font-size: 0.68rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    body.login-page.login-page--signin .login-form .btn-block {
        transition: none;
    }
}