/* ── Login page layout ───────────────────────────────────────── */
body {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-base);
    font-family: 'Sora', system-ui, sans-serif;
    font-size: 16px;
}

:lang(bn):not(i):not(.fa):not(.fas):not(.far) {
    font-family: 'Kalpurush', 'Sora', system-ui, sans-serif;
}

.login-root {
    display: flex;
    width: 100%;
    min-height: 100vh;
}

/* ── Top-right controls bar ──────────────────────────────────── */
.login-controls {
    position: fixed;
    top: 1rem;
    right: 1.25rem;
    display: flex;
    align-items: center;
    gap: 0.375rem;
    z-index: 200;
}

/* ── Brand panel (left half, desktop only) ───────────────────── */
.login-brand {
    flex: 0 0 50%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 3rem 4rem;
    background: linear-gradient(135deg, #1a1040 0%, #0f1117 60%, #101828 100%);
    position: relative;
    overflow: hidden;
}

[data-theme="light"] .login-brand {
    background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 60%, #f0f9ff 100%);
}

.login-brand::before {
    content: '';
    position: absolute;
    top: -120px;
    left: -80px;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.22) 0%, transparent 65%);
    pointer-events: none;
}

[data-theme="light"] .login-brand::before {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 65%);
}

.login-brand::after {
    content: '';
    position: absolute;
    bottom: -100px;
    right: -60px;
    width: 380px;
    height: 380px;
    background: radial-gradient(circle, rgba(99, 102, 241, 0.12) 0%, transparent 65%);
    pointer-events: none;
}

[data-theme="light"] .login-brand::after {
    background: radial-gradient(circle, rgba(99, 102, 241, 0.07) 0%, transparent 65%);
}

.brand-inner {
    position: relative;
    z-index: 1;
    max-width: 420px;
    width: 100%;
}

.brand-icon {
    width: 68px;
    height: 68px;
    border-radius: 16px;
    background: linear-gradient(135deg, var(--accent) 0%, #818cf8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 30px;
    color: #fff;
    margin-bottom: 1.75rem;
    box-shadow: 0 8px 24px var(--accent-glow);
}

.brand-mark {
    width: 104px;
    height: auto;
    margin-bottom: 1.25rem;
}

.brand-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--tx-primary);
    line-height: 1.2;
    margin-bottom: 0.75rem;
    letter-spacing: -0.5px;
}

.brand-tagline {
    font-size: 1rem;
    color: var(--tx-secondary);
    line-height: 1.6;
    margin-bottom: 2.5rem;
}

.brand-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.brand-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    color: var(--tx-secondary);
    font-size: 1rem;
    line-height: 1.5;
}

.brand-feature-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent);
    flex-shrink: 0;
    margin-top: 0.4rem;
    box-shadow: 0 0 8px var(--accent-glow);
}

/* ── Form panel (right half) ─────────────────────────────────── */
.login-form-wrap {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem 1.5rem;
    background: var(--bg-base);
}

.login-card {
    width: 100%;
    max-width: 440px;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem 2rem;
    box-shadow: 0 8px 40px rgba(0, 0, 0, 0.2);
    animation: fadeSlideUp 0.35s cubic-bezier(.4, 0, .2, 1) both;
}

@keyframes fadeSlideUp {
    from {
        opacity: 0;
        transform: translateY(18px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card-header-section {
    margin-bottom: 2rem;
}

.card-logo {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--accent) 0%, #818cf8 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: #fff;
    margin-bottom: 1.25rem;
}

.card-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tx-primary);
    margin-bottom: 0.25rem;
}

/* ── Inputs ──────────────────────────────────────────────────── */
.field-group {
    margin-bottom: 1.25rem;
}

.field-label {
    display: block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--tx-secondary);
    margin-bottom: 0.5rem;
}

.field-input-wrap {
    position: relative;
}

.field-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--tx-muted);
    font-size: 1rem;
    pointer-events: none;
    transition: color var(--transition);
}

.field-input {
    width: 100%;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--tx-primary);
    font-size: 1rem;
    padding: 0.8rem 0.875rem 0.8rem 2.875rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.field-input::placeholder {
    color: var(--tx-muted);
}

.field-input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-glow);
    background: var(--bg-surface);
}

/* Password row: input + eye toggle */
.pw-wrap {
    display: flex;
}

.pw-wrap .field-input {
    border-radius: var(--radius) 0 0 var(--radius);
    padding-right: 0.875rem;
}

.pw-toggle {
    flex-shrink: 0;
    width: 46px;
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-left: none;
    border-radius: 0 var(--radius) var(--radius) 0;
    color: var(--tx-muted);
    cursor: pointer;
    transition: color var(--transition), background var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.pw-toggle:hover {
    color: var(--accent-soft);
    background: var(--bg-surface);
}

/* ── Submit button ───────────────────────────────────────────── */
.btn-signin {
    width: 100%;
    padding: 0.875rem;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin-top: 0.5rem;
    transition: background var(--transition), box-shadow var(--transition), transform 80ms ease;
}

.btn-signin:hover {
    background: var(--accent-soft);
    box-shadow: 0 4px 16px var(--accent-glow);
}

.btn-signin:active {
    transform: scale(0.985);
}

/* ── Register link row ───────────────────────────────────────── */
.login-register-row {
    margin-top: 1.25rem;
    text-align: center;
    font-size: 0.9375rem;
    color: var(--tx-secondary);
}

.login-register-row a {
    color: var(--accent);
    font-weight: 600;
    text-decoration: none;
    margin-left: 0.25rem;
    transition: color var(--transition);
}

.login-register-row a:hover {
    color: var(--accent-soft);
    text-decoration: underline;
}

/* ── Flash banners ───────────────────────────────────────────── */
.flash-banner {
    border-radius: var(--radius);
    padding: 0.875rem 1rem;
    font-size: 0.9375rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.625rem;
}

.flash-error {
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #fca5a5;
}

[data-theme="light"] .flash-error {
    color: #b91c1c;
}

.flash-success {
    background: rgba(34, 197, 94, 0.1);
    border: 1px solid rgba(34, 197, 94, 0.25);
    color: #86efac;
}

[data-theme="light"] .flash-success {
    color: #15803d;
}

/* ── Responsive ──────────────────────────────────────────────── */
/* ── OAuth divider ──────────────────────────────────────────── */
.oauth-divider {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin: 1.5rem 0;
}

.oauth-divider-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

.oauth-divider-text {
    font-size: 0.875rem;
    color: var(--tx-muted);
    white-space: nowrap;
}

/* ── Google Sign-In button ───────────────────────────────────── */
.btn-google {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    width: 100%;
    padding: 0.8125rem;
    background: var(--bg-surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--tx-primary);
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    text-decoration: none;
    transition: background var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.btn-google:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
    color: var(--tx-primary);
}

.btn-google i {
    font-size: 1.25rem;
    color: #ea4335;
}

@media (max-width: 767px) {
    .login-brand {
        display: none;
    }

    .login-form-wrap {
        padding: 5rem 1rem 2rem;
    }

    .login-card {
        padding: 2rem 1.25rem;
        border-radius: 12px;
        box-shadow: none;
        border: none;
        background: transparent;
    }
}