/* Auth Pages Shared Styles
   Used by Login, Register, ForgotPassword, ResetPassword pages.
   Pattern mirrors settings.css — global stylesheet with MudBlazor overrides.
   All colors via Phase 1 tokens (app.css :root) — theme-aware via the
   tokens' :root[data-theme='light'] overrides. */

/* ─── Animated Background Container ─── */

.auth-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--nav-surface-gradient);
    position: relative;
    overflow: hidden;
}

.auth-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background:
        radial-gradient(circle at 20% 30%, var(--primary-alpha-10) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, var(--secondary-alpha-10) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, var(--border-accent-subtle) 0%, transparent 70%);
    animation: authEnergyPulse 8s ease-in-out infinite;
}

@keyframes authEnergyPulse {
    0%, 100% { opacity: 0.5; }
    50% { opacity: 0.8; }
}

/* ─── Glassmorphism Card ─── */

.auth-card {
    background: var(--card-surface-gradient);
    border-radius: var(--radius-card);
    border: 2px solid var(--border-accent-strong);
    box-shadow: var(--shadow-modal),
                0 0 40px var(--secondary-alpha-20),
                inset 0 1px 0 rgba(255, 255, 255, 0.1);
    padding: 3rem;
    max-width: 500px;
    width: 100%;
    position: relative;
    z-index: 2;
    backdrop-filter: blur(10px);
}

.auth-card::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(135deg, var(--primary-hero), var(--secondary-hero), var(--accent-purple));
    border-radius: var(--radius-card);
    opacity: 0;
    transition: opacity var(--transition-base);
    z-index: -1;
    animation: authBorderRotate 3s linear infinite;
}

@keyframes authBorderRotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

.auth-card:hover::before {
    opacity: 0.3;
}

/* ─── Header with Gradient Text ─── */

.auth-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.auth-header h2 {
    font-family: 'Bangers', cursive;
    font-size: 2.8rem;
    background: linear-gradient(135deg, var(--primary-hero) 0%, var(--accent-gold) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
    letter-spacing: 2px;
    filter: drop-shadow(0 0 20px var(--primary-alpha-20));
}

.auth-header p {
    color: var(--text-muted-current);
    font-size: 1.1rem;
    font-weight: 500;
}

/* ─── Form Wrapper ─── */

.auth-form {
    width: 100%;
}

/* ─── Footer Links ─── */

.auth-footer {
    margin-top: 2.5rem;
    text-align: center;
    color: var(--text-muted-current);
}

.auth-footer p {
    margin: 1rem 0;
    font-weight: 500;
}

.auth-footer a {
    color: var(--secondary-hero);
    text-decoration: none;
    font-weight: 700;
    position: relative;
    transition: color var(--transition-base), text-shadow var(--transition-base);
}

.auth-footer a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gold);
    transition: width var(--transition-base);
}

.auth-footer a:hover {
    color: var(--accent-gold);
    text-shadow: 0 0 10px var(--gold-alpha-50);
}

.auth-footer a:hover::after {
    width: 100%;
}

/* Light mode: darkened-secondary link color for AA contrast on white
   (matches PaletteLight ActionDefault / SecondaryDarken — see DESIGN.md). */
:root[data-theme='light'] .auth-footer a {
    color: #0077AA;
}

/* ─── Name Row Grid (Register page) ─── */

.auth-name-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ─── MudBlazor Component Overrides (scoped to .auth-card) ─── */

/* Text field backgrounds and borders */
.auth-card .mud-input-control {
    margin-bottom: 0.25rem;
}

.auth-card .mud-input-outlined .mud-input-outlined-border {
    border-color: var(--border-accent-medium) !important;
    border-width: 2px !important;
    border-radius: var(--radius-control) !important;
}

.auth-card .mud-input-outlined:hover .mud-input-outlined-border {
    border-color: var(--secondary-hero) !important;
}

.auth-card .mud-input-outlined.mud-input-focused .mud-input-outlined-border {
    border-color: var(--secondary-hero) !important;
    box-shadow: 0 0 0 4px var(--secondary-alpha-10), 0 0 20px var(--secondary-alpha-30) !important;
}

.auth-card .mud-input,
.auth-card .mud-input-slot {
    background-color: var(--surface-veil-90) !important;
    color: var(--text-current) !important;
    border-radius: var(--radius-control) !important;
}

.auth-card .mud-input input,
.auth-card .mud-input textarea {
    color: var(--text-current) !important;
}

.auth-card .mud-input input::placeholder {
    color: var(--text-muted-current) !important;
    opacity: 0.7;
}

/* Labels */
.auth-card .mud-input-label,
.auth-card .mud-input-label-inputcontrol {
    color: var(--text-muted-current) !important;
}

.auth-card .mud-input-label.mud-input-label-animated.mud-input-label-inputcontrol.mud-input-label-outlined {
    color: var(--text-muted-current) !important;
}

.auth-card .mud-input-label-filled.mud-input-label-inputcontrol,
.auth-card .mud-input-label-outlined.mud-input-label-inputcontrol {
    color: var(--text-muted-current) !important;
}

/* Focused label color */
.auth-card .mud-input-control .mud-input-label-inputcontrol.mud-input-focused {
    color: var(--secondary-hero) !important;
}

/* Adornment (password visibility toggle) */
.auth-card .mud-input-adornment .mud-icon-button {
    color: var(--text-muted-current) !important;
}

.auth-card .mud-input-adornment .mud-icon-button:hover {
    color: var(--secondary-hero) !important;
}

/* Helper text */
.auth-card .mud-input-helper-text {
    color: var(--text-muted-current) !important;
    font-size: 0.875rem;
}

/* Validation error text */
.auth-card .mud-input-error .mud-input-outlined-border {
    border-color: var(--primary-hero) !important;
}

.auth-card .mud-input-error .mud-input-error {
    color: var(--primary-hero) !important;
}

.auth-card .mud-validation-message,
.auth-card .mud-input-helper-text.mud-input-error {
    color: var(--primary-hero) !important;
    font-weight: 600;
}

/* Checkbox */
.auth-card .mud-checkbox .mud-checkbox-icons {
    color: var(--secondary-hero) !important;
}

.auth-card .mud-checkbox .mud-typography {
    color: var(--text-muted-current) !important;
    font-weight: 500;
}

/* Submit button */
.auth-submit-btn.mud-button-root {
    width: 100%;
    padding: 0.875rem 2rem !important;
    font-size: 1.1rem !important;
    font-weight: 700 !important;
    border-radius: 50px !important;
    text-transform: uppercase !important;
    letter-spacing: 2px !important;
    background: var(--hero-gradient) !important;
    color: white !important;
    box-shadow: 0 0 30px var(--primary-alpha-20) !important;
    transition: transform var(--transition-base), box-shadow var(--transition-base) !important;
}

.auth-submit-btn.mud-button-root:hover:not(:disabled) {
    transform: translateY(-3px);
    box-shadow: 0 0 40px var(--primary-alpha-20) !important;
}

.auth-submit-btn.mud-button-root:disabled {
    opacity: 0.6;
}

/* Secondary action button (e.g. "Return to Login") */
.auth-action-btn.mud-button-root {
    border-radius: 50px !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
    font-weight: 700 !important;
    background: var(--hero-gradient) !important;
    color: white !important;
}

/* ─── Mobile Responsive ─── */

@media (max-width: 480px) {
    .auth-card {
        padding: 2rem 1.5rem;
    }

    .auth-header h2 {
        font-size: 2rem;
    }

    .auth-name-row {
        grid-template-columns: 1fr;
    }

    .auth-submit-btn.mud-button-root {
        padding: 0.75rem 1.5rem !important;
        font-size: 1rem !important;
    }
}