/* Auth Pages -- Login + Register (overlay on dimmed home) */
.auth-container {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.25rem;
    background: rgba(6, 10, 20, 0.88);
    z-index: 8000;
    animation: authFadeIn 0.25s ease-out;
    cursor: default;
}
@keyframes authFadeIn {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes authFadeOut {
    from { opacity: 1; }
    to   { opacity: 0; }
}
.auth-container.closing {
    animation: authFadeOut 0.2s ease-in forwards;
    pointer-events: none;
}
.auth-container.closing .auth-card {
    animation: authCardSlideOut 0.2s ease-in forwards;
}
@keyframes authCardSlideOut {
    from { opacity: 1; transform: translateY(0) scale(1); }
    to   { opacity: 0; transform: translateY(18px) scale(0.97); }
}

.auth-back-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    width: auto;
    padding: 5px 10px;
    border-radius: var(--radius-sm, 6px);
    background: transparent;
    border: 1px solid var(--border-subtle);
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.8rem;
    font-weight: 500;
    transition: all 0.2s ease;
    margin-bottom: 0.75rem;
}
.auth-back-btn span {
    font-size: 0.8rem;
}
.auth-back-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-default);
    transform: translateX(-2px);
}

/* Auth logo icon */
.auth-logo {
    text-align: center;
    margin-bottom: 0.5rem;
}
.auth-logo i {
    font-size: 1.5rem;
    color: var(--accent-teal);
    filter: drop-shadow(0 0 8px var(--accent-teal-dim));
}

/* Auth header text */
.auth-header {
    text-align: center;
    margin-bottom: 0;
}
.auth-header p {
    color: var(--text-muted);
    font-size: 0.82rem;
    margin-bottom: 0.75rem;
}

/* Auth footer */
.auth-footer {
    text-align: center;
    margin-top: 0.75rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.auth-footer a {
    color: var(--accent-teal);
    text-decoration: none;
    font-weight: 600;
}
.auth-footer a:hover { text-decoration: underline; }

.auth-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg, 14px);
    padding: 1.5rem 1.75rem;
    width: min(90vw, 380px);
    box-shadow: 0 8px 32px rgba(0,0,0,0.45);
    animation: authCardSlide 0.3s ease-out;
    position: relative;
}
@keyframes authCardSlide {
    from { opacity: 0; transform: translateY(24px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.auth-card h2 {
    text-align: center;
    margin-bottom: 0.25rem;
    font-size: 1.15rem;
    font-weight: var(--weight-semibold);
    color: var(--text-primary);
}

.auth-card .auth-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.82rem;
    margin-bottom: 1rem;
}

/* Form */
.auth-form .form-group {
    margin-bottom: 0.75rem;
}
.auth-form .form-group label {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 3px;
    font-weight: 500;
}
.auth-form .form-group label i {
    font-size: 0.7rem;
    color: var(--text-muted);
    width: 14px;
    text-align: center;
}
.auth-form .form-group input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm, 6px);
    color: var(--text-primary);
    font-size: 0.88rem;
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
    box-sizing: border-box;
}
.auth-form .form-group input:focus {
    border-color: var(--accent-teal);
    box-shadow: 0 0 0 2px var(--accent-teal-dim);
}
.auth-form .form-group input::placeholder { color: var(--text-muted); }

.auth-form .btn-submit {
    width: 100%;
    padding: 10px;
    background: var(--accent-teal);
    color: var(--text-inverse);
    font-weight: 600;
    font-size: 0.9rem;
    border: none;
    border-radius: var(--radius-sm, 6px);
    cursor: pointer;
    transition: transform 0.15s, box-shadow 0.15s, background 0.15s;
    margin-top: 0.25rem;
}
.auth-form .btn-submit:hover {
    background: var(--accent-teal-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px var(--accent-teal-dim);
}
.auth-form .btn-submit:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* Auth form buttons -- ensure full width + consistent sizing */
.auth-form .btn {
    width: 100%;
    padding: 9px 12px;
    font-size: 0.88rem;
    font-weight: 600;
    border-radius: var(--radius-sm, 6px);
    margin-top: 0.25rem;
}

/* Error */
.auth-error {
    display: none;
    background: var(--color-danger-dim);
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
    padding: 8px 12px;
    border-radius: var(--radius-sm, 6px);
    font-size: 0.8rem;
    margin-bottom: 0.75rem;
}
.auth-error.visible { display: block; }

/* Remember Me */
.auth-remember {
    margin: 0.25rem 0 0.5rem;
}
.auth-remember-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    user-select: none;
}
.auth-remember-label input[type="checkbox"] {
    width: 15px; height: 15px;
    accent-color: var(--accent-teal);
    cursor: pointer;
}
.auth-remember-label:hover { color: var(--text-primary); }

/* Divider */
.auth-divider {
    display: flex;
    align-items: center;
    margin: 0.75rem 0;
    color: var(--text-muted);
    font-size: 0.75rem;
}
.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border-default);
}
.auth-divider span { padding: 0 12px; }

/* Google Button */
.btn-google {
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 8px;
    background: var(--bg-base);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm, 6px);
    color: var(--text-secondary);
    font-size: 0.82rem;
    cursor: pointer;
    transition: all 0.15s;
    position: relative;
}
.btn-google:hover { background: var(--bg-hover); color: var(--text-primary); }
.btn-google .google-soon {
    font-size: 0.65rem;
    background: var(--accent-amber-dim);
    color: var(--accent-amber);
    border: 1px solid var(--accent-amber);
    border-radius: 4px;
    padding: 1px 6px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    margin-left: 6px;
}

/* Link row */
.auth-link-row {
    text-align: center;
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-secondary);
}
.auth-link-row a {
    color: var(--accent-teal);
    text-decoration: none;
    font-weight: 600;
}
.auth-link-row a:hover { text-decoration: underline; }

/* Spinner */
.spinner-sm {
    display: inline-block;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* -- Auth Responsive --------------------------------------------------- */
@media (max-width: 480px) {
    .auth-container { padding: 0.75rem; }
    .auth-card {
        padding: 1.25rem;
        width: min(94vw, 380px);
    }
    .auth-card h2 { font-size: 1.05rem; }
    .auth-logo i { font-size: 1.3rem; }
    .auth-form .form-group input { font-size: 16px; /* prevents iOS zoom */ }
}