/**
 * Login page — Amara soft UI light/dark themes via html[data-theme].
 */

/* ── Theme tokens ─────────────────────────────────────────────────── */

html[data-theme='dark'] {
    --login-body-bg: #050b16;
    --login-photo-opacity: 0.55;
    --login-photo-filter: saturate(0.85) contrast(1.05) brightness(0.72);
    --login-scrim-bg:
        linear-gradient(160deg, rgba(5, 11, 22, 0.82) 0%, rgba(11, 18, 36, 0.55) 42%, rgba(5, 11, 22, 0.78) 100%),
        radial-gradient(circle at 18% 20%, rgba(70, 102, 225, 0.22), transparent 38%),
        radial-gradient(circle at 84% 78%, rgba(111, 95, 224, 0.16), transparent 40%);
    --login-grid-color: rgba(122, 144, 232, 0.14);
    --login-grid-opacity: 0.18;
    --login-orb-opacity: 0.28;
    --login-card-bg: rgba(11, 20, 35, 0.9);
    --login-card-border: rgba(122, 144, 232, 0.28);
    --login-card-shadow: 0 24px 56px rgba(2, 8, 18, 0.55);
    --login-logo-filter: drop-shadow(0 3px 6px rgba(122, 144, 232, 0.35));
    --login-brand-color: transparent;
    --login-brand-gradient: linear-gradient(135deg, #7a90e8 0%, #c5cef8 100%);
    --login-heading-color: #fff;
    --login-title-color: rgba(255, 255, 255, 0.75);
    --login-label-color: rgba(255, 255, 255, 0.85);
    --login-icon-color: #fff;
    --login-icon-hover: #c5cef8;
    --login-addon-bg: rgba(255, 255, 255, 0.25);
    --login-input-bg: rgba(248, 249, 253, 0.1);
    --login-input-border: rgba(248, 249, 253, 0.24);
    --login-input-color: #fff;
    --login-input-placeholder: rgba(255, 255, 255, 0.55);
    --login-input-focus-bg: rgba(248, 249, 253, 0.14);
    --login-input-focus-border: rgba(248, 249, 253, 0.3);
    --login-input-focus-ring: rgba(255, 255, 255, 0.2);
    --login-link-color: #7a90e8;
    --login-link-hover: #c5cef8;
    --login-btn-bg: #4666e1;
    --login-btn-color: #fff;
    --login-btn-hover-bg: #3852b4;
    --login-btn-shadow: none;
    --login-btn-hover-shadow: 0 8px 20px rgba(70, 102, 225, 0.35);
    --login-muted-color: #8fa4bf;
    --login-muted-icon: #7a90e8;
    --login-help-color: #8fa4bf;
    --login-alert-bg: rgba(226, 88, 103, 0.15);
    --login-alert-color: #f3c4c9;
    --login-alert-border: rgba(226, 88, 103, 0.35);
    --login-modal-bg: #111f34;
    --login-modal-color: #d5e5f8;
    --login-modal-header-bg: #4666e1;
    --login-modal-header-color: #fff;
    --login-modal-border: #31496b;
    --login-modal-shadow: 0 16px 40px rgba(2, 8, 18, 0.45);
    --login-modal-accent: #7a90e8;
    --login-modal-box-bg: linear-gradient(135deg, #162840 0%, #1d3553 100%);
    --login-modal-box-border: #385579;
}

html[data-theme='light'] {
    --login-body-bg: #eaedf1;
    --login-photo-opacity: 0.42;
    --login-photo-filter: saturate(0.75) contrast(0.95) brightness(1.08);
    --login-scrim-bg:
        linear-gradient(160deg, rgba(248, 249, 253, 0.88) 0%, rgba(234, 237, 241, 0.72) 45%, rgba(232, 236, 251, 0.86) 100%),
        radial-gradient(circle at 12% 18%, rgba(70, 102, 225, 0.1), transparent 40%),
        radial-gradient(circle at 88% 82%, rgba(70, 102, 225, 0.08), transparent 42%);
    --login-grid-color: rgba(70, 102, 225, 0.08);
    --login-grid-opacity: 0.28;
    --login-orb-opacity: 0.12;
    --login-card-bg: rgba(255, 255, 255, 0.96);
    --login-card-border: rgba(70, 102, 225, 0.14);
    --login-card-shadow: 0 18px 48px rgba(13, 32, 66, 0.08);
    --login-logo-filter: drop-shadow(0 4px 10px rgba(70, 102, 225, 0.18));
    --login-brand-color: #0d2042;
    --login-brand-gradient: none;
    --login-heading-color: #0d2042;
    --login-title-color: #65688a;
    --login-label-color: #33405d;
    --login-icon-color: #0d2042;
    --login-icon-hover: #4666e1;
    --login-addon-bg: #c5cee0;
    --login-input-bg: #d5dceb;
    --login-input-border: transparent;
    --login-input-color: #0d2042;
    --login-input-placeholder: #65688a;
    --login-input-focus-bg: #cfd7e8;
    --login-input-focus-border: transparent;
    --login-input-focus-ring: rgba(70, 102, 225, 0.18);
    --login-link-color: #4666e1;
    --login-link-hover: #3852b4;
    --login-btn-bg: #4666e1;
    --login-btn-color: #0d2042;
    --login-btn-hover-bg: #3852b4;
    --login-btn-shadow: none;
    --login-btn-hover-shadow: 0 8px 18px rgba(70, 102, 225, 0.28);
    --login-muted-color: #65688a;
    --login-muted-icon: #4666e1;
    --login-help-color: #8990b0;
    --login-alert-bg: rgba(226, 88, 103, 0.08);
    --login-alert-color: #b54652;
    --login-alert-border: rgba(226, 88, 103, 0.22);
    --login-modal-bg: #fff;
    --login-modal-color: #33405d;
    --login-modal-header-bg: #4666e1;
    --login-modal-header-color: #fff;
    --login-modal-border: #d1d9e8;
    --login-modal-shadow: 0 16px 40px rgba(13, 32, 66, 0.12);
    --login-modal-accent: #4666e1;
    --login-modal-box-bg: #e8ecfb;
    --login-modal-box-border: #c5cef8;
}

/* ── Base layout ────────────────────────────────────────────────── */

body.auth-body {
    font-family: Nunito, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    min-height: 100vh;
    margin: 0;
    background: var(--login-body-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    overflow: hidden;
    position: relative;
    color: var(--login-input-color);
}

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

.bg-photo {
    position: absolute;
    inset: 0;
    background-image: url('../img/login-workshop-bg.jpg');
    background-position: center center;
    background-size: cover;
    background-repeat: no-repeat;
    opacity: var(--login-photo-opacity);
    filter: var(--login-photo-filter);
    transform: scale(1.04);
}

.bg-photo-scrim {
    position: absolute;
    inset: 0;
    background: var(--login-scrim-bg);
}

.bg-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(var(--login-grid-color) 1px, transparent 1px),
        linear-gradient(90deg, var(--login-grid-color) 1px, transparent 1px);
    background-size: 42px 42px;
    mask-image: radial-gradient(circle at center, black 45%, transparent 85%);
    opacity: var(--login-grid-opacity);
    animation: driftGrid 18s linear infinite;
}

.bg-orb {
    position: absolute;
    border-radius: 999px;
    filter: blur(2px);
    animation: floatOrb 14s ease-in-out infinite;
    opacity: var(--login-orb-opacity);
}

.bg-orb.one {
    width: 420px;
    height: 420px;
    top: -140px;
    left: -120px;
    background: radial-gradient(circle at 30% 30%, rgba(155, 198, 246, 0.45) 0%, rgba(88, 137, 194, 0.3) 28%, rgba(42, 78, 125, 0.22) 64%, transparent 100%);
}

.bg-orb.two {
    width: 360px;
    height: 360px;
    right: -90px;
    bottom: -120px;
    background: radial-gradient(circle at 50% 50%, rgba(125, 176, 234, 0.38) 0%, rgba(66, 115, 172, 0.3) 25%, rgba(31, 63, 102, 0.2) 68%, transparent 100%);
    animation-delay: -6s;
}

.login-container {
    position: relative;
    z-index: 2;
}

.login-card {
    position: relative;
    background: var(--login-card-bg);
    backdrop-filter: blur(10px);
    padding: 40px 36px;
    border-radius: 20px;
    box-shadow: var(--login-card-shadow);
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
    border: 1px solid var(--login-card-border);
    animation: slideUp 0.6s ease-out;
}

.main-logo {
    width: 48px;
    height: 48px;
    margin: 0 auto 8px;
    display: block;
    animation: logoFloat 3s ease-in-out infinite;
    filter: var(--login-logo-filter);
}

.login-heading {
    margin: 0 0 4px;
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.25;
    color: var(--login-heading-color);
    text-align: start;
}

.login-subtitle {
    margin: 0 0 1.75rem;
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.45;
    color: var(--login-title-color);
    text-align: start;
}

.auth-form-label {
    display: block;
    margin-bottom: 0.4rem;
    font-size: 0.9375rem;
    font-weight: 400;
    color: var(--login-label-color);
}

.auth-input-group {
    border-radius: 0.6rem;
    overflow: hidden;
    transition: box-shadow 0.2s ease;
}

.auth-input-group:focus-within {
    box-shadow: 0 0 0.75rem var(--login-input-focus-ring);
}

.auth-input-addon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 3rem;
    padding: 0.7rem 0.85rem;
    background: var(--login-addon-bg) !important;
    border: 1px solid var(--login-input-border) !important;
    border-inline-end: 0 !important;
    color: var(--login-icon-color) !important;
    border-radius: 0 !important;
}

.auth-input-group > :first-child {
    border-start-start-radius: 0.6rem !important;
    border-end-start-radius: 0.6rem !important;
}

.auth-input-group > :last-child {
    border-start-end-radius: 0.6rem !important;
    border-end-end-radius: 0.6rem !important;
}

.auth-input-addon--toggle {
    cursor: pointer;
    transition: color 0.2s ease, background-color 0.2s ease;
}

.auth-input-addon--toggle:hover {
    color: var(--login-icon-hover) !important;
}

.auth-control {
    padding: 0.7rem 0.95rem;
    border: 1px solid var(--login-input-border) !important;
    border-radius: 0 !important;
    font-size: 0.9375rem;
    background: var(--login-input-bg) !important;
    color: var(--login-input-color) !important;
    box-shadow: none !important;
    transition: background-color 0.2s ease, border-color 0.2s ease;
}

.auth-control::placeholder {
    color: var(--login-input-placeholder);
}

.auth-control:focus {
    background: var(--login-input-focus-bg) !important;
    border-color: var(--login-input-focus-border) !important;
    box-shadow: none !important;
    color: var(--login-input-color) !important;
}

.auth-help {
    margin-top: 0.4rem;
    font-size: 0.8125rem;
    color: var(--login-help-color) !important;
}

.forgot-link {
    font-size: 0.875rem;
    color: var(--login-link-color);
    text-decoration: none;
    font-weight: 500;
    white-space: nowrap;
    transition: color 0.2s ease;
}

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

.btn-black {
    background: var(--login-btn-bg);
    color: var(--login-btn-color);
    width: 100%;
    padding: 0.8rem 1rem;
    border-radius: 0.6rem;
    border: none;
    font-weight: 700;
    font-size: 1rem;
    line-height: 1.25;
    transition: background-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
    box-shadow: var(--login-btn-shadow);
}

.btn-black:hover {
    background: var(--login-btn-hover-bg, var(--login-btn-bg));
    color: var(--login-btn-color);
    transform: translateY(-1px);
    box-shadow: var(--login-btn-hover-shadow);
}

.btn-black:active {
    transform: translateY(0);
}

.btn-black:disabled {
    opacity: 0.75;
}

.alert {
    border-radius: 10px;
    border: none;
    padding: 10px 13px;
    margin-bottom: 16px;
    font-size: 12px;
    animation: shake 0.5s ease;
}

.alert-danger {
    background: var(--login-alert-bg);
    color: var(--login-alert-color);
    border: 1px solid var(--login-alert-border);
}

.login-card .text-muted {
    color: var(--login-muted-color) !important;
    font-size: 10px;
}

.login-card .text-muted i {
    color: var(--login-muted-icon);
    font-size: 10px;
}

/* ── Modal ──────────────────────────────────────────────────────── */

.login-modal .modal-content {
    border-radius: 16px;
    border: 1px solid var(--login-modal-border);
    box-shadow: var(--login-modal-shadow);
    background: var(--login-modal-bg);
    color: var(--login-modal-color);
}

.login-modal .modal-header {
    background: var(--login-modal-header-bg);
    color: var(--login-modal-header-color);
    border-radius: 16px 16px 0 0;
    padding: 16px;
}

.login-modal .modal-header .modal-title {
    font-size: 15px;
}

.login-modal .modal-body {
    font-size: 12px;
    color: var(--login-modal-color);
}

.login-modal .modal-header .btn-close {
    filter: brightness(0) invert(1);
}

.login-modal .contact-modal-icon {
    font-size: 3rem;
    color: var(--login-modal-accent);
}

.login-modal .contact-modal-email-box {
    border: 2px solid var(--login-modal-box-border);
    background: var(--login-modal-box-bg);
}

.login-modal .contact-modal-email-link {
    font-size: 1.1rem;
    color: var(--login-modal-accent);
}

.login-modal .contact-modal-email-icon {
    color: var(--login-modal-accent);
    font-size: 1.2rem;
}

/* ── Animations ─────────────────────────────────────────────────── */

@keyframes driftGrid {
    0% { transform: translate3d(0, 0, 0); }
    100% { transform: translate3d(42px, 42px, 0); }
}

@keyframes floatOrb {
    0%, 100% { transform: translate3d(0, 0, 0); }
    50% { transform: translate3d(0, -20px, 0); }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-10px); }
    75% { transform: translateX(10px); }
}

/* ── Responsive ─────────────────────────────────────────────────── */

@media (max-width: 576px) {
    .login-card {
        padding: 28px 20px;
    }

    .login-heading {
        font-size: 1.5rem;
    }

    .main-logo {
        width: 44px;
        height: 44px;
    }

    .auth-control,
    .auth-input-addon {
        font-size: 0.875rem;
        padding: 0.65rem 0.8rem;
    }

    .btn-black {
        font-size: 0.9375rem;
        padding: 0.75rem 1rem;
    }
}