/* ================================================ */
/*  ADMIN LOGIN - GLASSMORPHISM DARK THEME         */
/*  Uses CSS variables from theme-system.css       */
/* ================================================ */

main { overflow: visible !important; }

/* ── Page background with dual glows ── */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 6rem 1rem 2rem;
    position: relative;
    overflow: hidden;
    background: var(--bg-primary);
}

.login-container::before {
    content: "";
    position: fixed;
    top: -20%; left: -20%;
    width: 65%; height: 65%;
    background: radial-gradient(circle at center,
        color-mix(in srgb, var(--accent-primary) 12%, transparent) 0%,
        transparent 70%);
    pointer-events: none;
    filter: blur(70px);
    animation: glow-pulse 8s ease-in-out infinite;
    z-index: 0;
}

.login-container::after {
    content: "";
    position: fixed;
    bottom: -20%; right: -20%;
    width: 55%; height: 55%;
    background: radial-gradient(circle at center,
        color-mix(in srgb, var(--accent-secondary) 10%, transparent) 0%,
        transparent 70%);
    pointer-events: none;
    filter: blur(70px);
    animation: glow-pulse 8s ease-in-out infinite 4s;
    z-index: 0;
}

@keyframes glow-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%       { opacity: 0.65; transform: scale(1.12); }
}

/* ── Card ── */
.login-card {
    position: relative;
    width: 100%;
    max-width: 26rem;
    z-index: 2;
    background: color-mix(in srgb, var(--bg-secondary) 90%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent-primary) 30%, transparent);
    border-radius: 1.75rem;
    overflow: hidden;
    box-shadow:
        0 20px 60px rgba(0,0,0,0.5),
        0 0 40px color-mix(in srgb, var(--accent-primary) 12%, transparent),
        inset 0 1px 0 color-mix(in srgb, var(--accent-primary) 15%, transparent);
    backdrop-filter: blur(30px);
    animation: card-enter 0.5s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

@keyframes card-enter {
    from { opacity: 0; transform: translateY(24px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* Dot pattern overlay */
.login-card::before {
    content: "";
    position: absolute; inset: 0;
    background: radial-gradient(
        ellipse at 0% 100%,
        color-mix(in srgb, var(--accent-primary) 12%, transparent) 0%,
        transparent 65%
    );
    pointer-events: none; z-index: 1;
    border-radius: inherit;
}

.login-card > * { position: relative; z-index: 2; }

/* ── Header ── */
.login-header {
    text-align: center;
    padding: 2.5rem 2rem 2rem;
    border-bottom: 1px solid color-mix(in srgb, var(--accent-primary) 12%, transparent);
    background: color-mix(in srgb, var(--accent-primary) 3%, transparent);
}

.login-icon {
    width: 4rem; height: 4rem;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 1.25rem;
    color: var(--bg-primary);
    font-size: 1.25rem;
    box-shadow:
        0 0 30px color-mix(in srgb, var(--accent-primary) 40%, transparent),
        0 4px 12px rgba(0,0,0,0.3);
    animation: icon-pulse 3s ease-in-out infinite;
}

@keyframes icon-pulse {
    0%, 100% { box-shadow: 0 0 30px color-mix(in srgb, var(--accent-primary) 40%, transparent), 0 4px 12px rgba(0,0,0,0.3); }
    50%       { box-shadow: 0 0 50px color-mix(in srgb, var(--accent-primary) 60%, transparent), 0 4px 12px rgba(0,0,0,0.3); }
}

.login-header h1 {
    font-weight: 900;
    font-size: 2rem;
    text-transform: uppercase;
    letter-spacing: 0.02em;
    color: var(--text-primary);
    font-style: normal;
    margin-bottom: 0.375rem;
}

.login-header p {
    color: var(--text-muted, var(--text-tertiary));
    font-size: 0.9rem;
}

/* ── Form ── */
.login-form { padding: 2rem; }

.form-group { margin-bottom: 1.5rem; }

.form-label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: var(--text-secondary);
    font-size: 0.875rem;
    letter-spacing: 0.01em;
}

.form-input {
    width: 100%;
    background: color-mix(in srgb, var(--bg-primary) 60%, transparent);
    border: 1px solid color-mix(in srgb, var(--accent-primary) 20%, transparent);
    border-radius: 0.875rem;
    padding: 0.875rem 1rem;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.25s ease;
    outline: none;
}

.form-input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent-primary) 18%, transparent),
                0 0 20px color-mix(in srgb, var(--accent-primary) 10%, transparent);
    background: color-mix(in srgb, var(--bg-secondary) 80%, transparent);
}

.form-input::placeholder { color: var(--text-disabled); }

/* ── Password toggle ── */
.password-container { position: relative; }

.password-toggle {
    position: absolute; right: 0.875rem; top: 50%;
    transform: translateY(-50%);
    background: none; border: none;
    color: var(--text-disabled); cursor: pointer;
    font-size: 0.9rem; transition: color 0.2s;
    padding: 0.25rem;
}

.password-toggle:hover { color: var(--accent-primary); }

/* ── Rows ── */
.form-row {
    display: flex; justify-content: space-between;
    align-items: center; flex-wrap: wrap; gap: 0.75rem; margin-top: 1rem;
}

.checkbox-group { display: flex; align-items: center; gap: 0.5rem; }
.checkbox { accent-color: var(--accent-primary); width: 1rem; height: 1rem; }
.checkbox-label { font-size: 0.875rem; color: var(--text-tertiary); }

.forgot-link {
    color: var(--accent-primary); text-decoration: none;
    font-size: 0.875rem; transition: opacity 0.2s;
}
.forgot-link:hover { opacity: 0.75; }

/* ── Submit button ── */
.submit-btn {
    width: 100%;
    background: var(--gradient-primary);
    color: var(--bg-primary);
    font-weight: 800;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.9rem 1rem;
    border: none; border-radius: 0.875rem;
    cursor: pointer; margin-top: 1.5rem;
    position: relative; overflow: hidden;
    transition: transform 0.2s, box-shadow 0.3s;
    box-shadow: 0 4px 20px color-mix(in srgb, var(--accent-primary) 35%, transparent);
}

.submit-btn::before {
    content: "";
    position: absolute; inset: 0;
    background: linear-gradient(135deg,
        transparent 30%, rgba(255,255,255,0.15) 50%, transparent 70%);
    transform: translateX(-100%);
    animation: btn-shine 3s ease-in-out infinite 1s;
}

@keyframes btn-shine {
    0%   { transform: translateX(-100%) skewX(-15deg); }
    60%  { transform: translateX(200%) skewX(-15deg); }
    100% { transform: translateX(200%) skewX(-15deg); }
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px color-mix(in srgb, var(--accent-primary) 50%, transparent);
}

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

/* ── Back link ── */
.back-link { text-align: center; margin-top: 1.25rem; }

.back-link a {
    color: var(--text-tertiary); text-decoration: none;
    font-size: 0.875rem; transition: color 0.2s;
    display: inline-flex; align-items: center; gap: 0.4rem;
}

.back-link a:hover { color: var(--accent-primary); }

/* ── Alert cards ── */
.card-alert {
    display: flex; align-items: flex-start; gap: 0.625rem;
    padding: 0.875rem 1rem; border-radius: 0.75rem;
    font-size: 0.875rem; line-height: 1.5;
    margin-bottom: 1.25rem; border: 1px solid transparent;
}

.card-alert i { flex-shrink: 0; margin-top: 0.125rem; font-size: 1rem; }

.card-alert-success {
    background: color-mix(in srgb, var(--accent-primary) 12%, transparent);
    border-color: color-mix(in srgb, var(--accent-primary) 35%, transparent);
    color: var(--accent-primary);
}

.card-alert-error {
    background: color-mix(in srgb, #ef4444 12%, transparent);
    border-color: color-mix(in srgb, #ef4444 35%, transparent);
    color: #f87171;
}

.card-alert-info {
    background: color-mix(in srgb, var(--accent-secondary) 12%, transparent);
    border-color: color-mix(in srgb, var(--accent-secondary) 35%, transparent);
    color: var(--accent-secondary);
}

.card-alert-warning {
    background: color-mix(in srgb, #f59e0b 12%, transparent);
    border-color: color-mix(in srgb, #f59e0b 35%, transparent);
    color: #fbbf24;
}

/* ── Responsive ── */
@media (max-width: 640px) {
    .login-container { padding: 4rem 1rem; }
    .login-card { border-radius: 1.25rem; }
}