/* ═══════════════════════════════════════════════
   Login & PIN Screens
   ═══════════════════════════════════════════════ */

.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: var(--sp-xl);
}

.login-card {
    width: 100%;
    max-width: 420px;
    padding: var(--sp-2xl);
    background: rgba(26, 26, 46, 0.85);
    backdrop-filter: blur(30px);
    -webkit-backdrop-filter: blur(30px);
    border: 1px solid rgba(212, 160, 23, 0.15);
    border-radius: var(--radius-xl);
    box-shadow:
        var(--shadow-lg),
        0 0 60px rgba(139, 34, 82, 0.08),
        inset 0 1px 0 rgba(255, 255, 255, 0.05);
    position: relative;
    overflow: hidden;
    animation: fadeIn var(--duration-slow) var(--ease-out);
}

/* Animated border shimmer */
.login-card::before {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: inherit;
    background: linear-gradient(135deg,
            transparent 20%,
            rgba(212, 160, 23, 0.3) 40%,
            rgba(233, 30, 99, 0.2) 60%,
            transparent 80%);
    background-size: 200% 200%;
    animation: shimmerBorder 4s ease-in-out infinite;
    z-index: -1;
    mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
    mask-composite: xor;
    -webkit-mask-composite: xor;
    padding: 1px;
}

@keyframes shimmerBorder {

    0%,
    100% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }
}

/* ─── Logo / Brand ─── */
.login-brand {
    text-align: center;
    margin-bottom: var(--sp-2xl);
}

.login-brand-icon {
    font-size: 3rem;
    margin-bottom: var(--sp-md);
    display: block;
    animation: pulse 3s ease-in-out infinite;
}

.login-brand h1 {
    font-family: var(--font-serif);
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    background: linear-gradient(135deg, var(--gold-light), var(--rose-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--sp-xs);
}

.login-brand p {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    font-style: italic;
    margin: 0;
}

/* ─── Form ─── */
.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--sp-lg);
}

.login-form .input-field {
    text-align: center;
    letter-spacing: 1px;
}

.login-btn {
    width: 100%;
    padding: 0.875rem;
    font-size: var(--fs-base);
    font-weight: var(--fw-bold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ─── PIN Screen ─── */
.pin-container {
    text-align: center;
}

.pin-title {
    font-family: var(--font-serif);
    font-size: var(--fs-xl);
    margin-bottom: var(--sp-sm);
    color: var(--gold-light);
}

.pin-subtitle {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    margin-bottom: var(--sp-xl);
}

.pin-input-group {
    display: flex;
    justify-content: center;
    gap: var(--sp-sm);
    margin-bottom: var(--sp-lg);
}

.pin-digit {
    width: 56px;
    height: 64px;
    text-align: center;
    font-size: var(--fs-2xl);
    font-weight: var(--fw-bold);
    font-family: var(--font-sans);
    color: var(--gold-light);
    background: var(--bg-input);
    border: 2px solid var(--border-subtle);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--duration-base) var(--ease-out);
    caret-color: var(--gold-primary);
}

.pin-digit:focus {
    border-color: var(--gold-primary);
    box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.2);
    background: rgba(255, 255, 255, 0.1);
}

.pin-digit.error {
    border-color: var(--danger);
    animation: shake 0.4s ease-in-out;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    20% {
        transform: translateX(-8px);
    }

    40% {
        transform: translateX(8px);
    }

    60% {
        transform: translateX(-4px);
    }

    80% {
        transform: translateX(4px);
    }
}

.pin-error-msg {
    color: var(--danger);
    font-size: var(--fs-sm);
    margin-top: var(--sp-sm);
    min-height: 20px;
}

.pin-lockout-msg {
    color: var(--warning);
    font-size: var(--fs-sm);
    font-weight: var(--fw-medium);
    padding: var(--sp-md);
    background: var(--warning-soft);
    border-radius: var(--radius-md);
    margin-top: var(--sp-md);
}

/* ─── Role Selection ─── */
.role-selection {
    text-align: center;
}

.role-title {
    font-family: var(--font-serif);
    font-size: var(--fs-xl);
    margin-bottom: var(--sp-sm);
    color: var(--gold-light);
}

.role-subtitle {
    color: var(--text-muted);
    font-size: var(--fs-sm);
    margin-bottom: var(--sp-xl);
}

.role-options {
    display: flex;
    gap: var(--sp-lg);
    justify-content: center;
    margin-bottom: var(--sp-lg);
}

.role-card {
    width: 140px;
    padding: var(--sp-xl) var(--sp-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-subtle);
    background: var(--bg-glass);
    cursor: pointer;
    transition: all var(--duration-base) var(--ease-spring);
    text-align: center;
}

.role-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.role-card.shiv:hover,
.role-card.shiv.selected {
    border-color: var(--shiv-accent);
    background: var(--shiv-accent-soft);
    box-shadow: 0 0 20px var(--shiv-glow);
}

.role-card.divi:hover,
.role-card.divi.selected {
    border-color: var(--divi-accent);
    background: var(--divi-accent-soft);
    box-shadow: 0 0 20px var(--divi-glow);
}

.role-card-icon {
    font-size: 2rem;
    margin-bottom: var(--sp-sm);
    display: block;
}

.role-card-name {
    font-family: var(--font-serif);
    font-size: var(--fs-lg);
    font-weight: var(--fw-semibold);
}

.role-card.shiv .role-card-name {
    color: var(--shiv-accent);
}

.role-card.divi .role-card-name {
    color: var(--divi-accent);
}

/* ─── Responsive ─── */
@media (max-width: 480px) {
    .login-card {
        padding: var(--sp-xl);
    }

    .pin-digit {
        width: 48px;
        height: 56px;
        font-size: var(--fs-xl);
    }

    .role-options {
        flex-direction: column;
        align-items: center;
    }

    .role-card {
        width: 100%;
        max-width: 200px;
    }
}