/* ==========================================
   INVOKARD — Auth Page Styles
   ========================================== */

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    position: relative;
    overflow: hidden;
    padding: 24px;
}

/* Decorative background cards */
.auth-bg-cards {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.auth-bg-card {
    position: absolute;
    width: 200px;
    border-radius: 16px;
    opacity: 0.08;
    filter: blur(1px);
}

.auth-bg-card:nth-child(1) {
    top: 5%;
    left: -3%;
    transform: rotate(-15deg);
}

.auth-bg-card:nth-child(2) {
    top: 20%;
    right: -5%;
    transform: rotate(12deg);
}

.auth-bg-card:nth-child(3) {
    bottom: 10%;
    left: 10%;
    transform: rotate(-8deg);
}

/* Auth container */
.auth-container {
    width: 100%;
    max-width: 460px;
    position: relative;
    z-index: 2;
}

.auth-logo {
    text-align: center;
    margin-bottom: 32px;
}

.auth-logo a {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text-primary);
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 700;
    letter-spacing: 0.15em;
}

.auth-logo .logo-icon {
    font-size: 1.6rem;
    background: var(--gradient-main);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Auth card (glassmorphism) */
.auth-card {
    background: rgba(17, 17, 40, 0.85);
    border: 1px solid var(--border);
    border-radius: var(--radius-xl);
    padding: 40px 36px;
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5), var(--glow-violet);
    position: relative;
    overflow: hidden;
}

.auth-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--gradient-main);
}

.auth-tabs {
    display: flex;
    gap: 4px;
    background: rgba(139, 92, 246, 0.06);
    border-radius: var(--radius-md);
    padding: 4px;
    margin-bottom: 32px;
}

.auth-tab {
    flex: 1;
    padding: 12px 16px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-body);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: var(--transition-fast);
}

.auth-tab.active {
    background: var(--accent-violet);
    color: white;
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.35);
}

.auth-tab:hover:not(.active) {
    color: var(--text-primary);
    background: rgba(139, 92, 246, 0.1);
}

/* Forms */
.auth-form {
    display: none;
    flex-direction: column;
    gap: 20px;
}

.auth-form.active {
    display: flex;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.03em;
}

.form-group input {
    padding: 14px 16px;
    background: rgba(6, 6, 15, 0.6);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
    outline: none;
}

.form-group input:focus {
    border-color: var(--accent-violet);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.15);
}

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

/* Auth button */
.auth-btn {
    padding: 16px 24px;
    background: var(--gradient-main);
    border: none;
    border-radius: var(--radius-md);
    color: white;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.03em;
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    margin-top: 8px;
}

.auth-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 32px rgba(139, 92, 246, 0.4);
}

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

.auth-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
}

.auth-btn .spinner {
    display: none;
    width: 20px;
    height: 20px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    margin: 0 auto;
}

.auth-btn.loading span {
    display: none;
}

.auth-btn.loading .spinner {
    display: block;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Forgot password link */
.forgot-link {
    text-align: right;
    margin-top: -12px;
}

.forgot-link a {
    font-size: 0.82rem;
    color: var(--accent-violet);
    text-decoration: none;
    transition: var(--transition-fast);
}

.forgot-link a:hover {
    color: var(--accent-coral);
}

/* Error & success messages */
.auth-message {
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    display: none;
    align-items: center;
    gap: 8px;
    animation: fadeInUp 0.3s ease-out;
}

.auth-message.error {
    display: flex;
    background: rgba(239, 68, 68, 0.12);
    border: 1px solid rgba(239, 68, 68, 0.25);
    color: #f87171;
}

.auth-message.success {
    display: flex;
    background: rgba(16, 185, 129, 0.12);
    border: 1px solid rgba(16, 185, 129, 0.25);
    color: #34d399;
}

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 8px 0;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* Footer text */
.auth-footer {
    text-align: center;
    margin-top: 24px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.auth-footer a {
    color: var(--accent-violet);
    text-decoration: none;
}

.auth-footer a:hover {
    text-decoration: underline;
}

/* Reset password form */
.reset-form {
    display: none;
    flex-direction: column;
    gap: 20px;
}

.reset-form.active {
    display: flex;
}

.reset-back {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: var(--accent-violet);
    font-size: 0.85rem;
    text-decoration: none;
    cursor: pointer;
    transition: var(--transition-fast);
    border: none;
    background: none;
    font-family: var(--font-body);
    padding: 0;
}

.reset-back:hover {
    color: var(--text-primary);
}

/* Responsive */
@media (max-width: 520px) {
    .auth-card {
        padding: 28px 20px;
    }

    .auth-tabs {
        flex-direction: column;
    }
}

/* Fade animation */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}