/**
 * Authentication Guard Styles for Eyes of Azrael
 * Overlay-based authentication system
 */

/* ==========================================
   LOADING SCREEN
   ========================================== */

.auth-loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-primary, #0a0e27);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 99999;
}

.auth-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(var(--color-primary-rgb, 139, 127, 255), 0.2);
    border-top-color: var(--color-primary, #8b7fff);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: 2rem;
    color: var(--color-text-secondary, #adb5bd);
    font-size: 1.1rem;
}

/* ==========================================
   AUTH OVERLAY
   ========================================== */

.auth-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-bg-primary, #0a0e27);
    background-image:
        radial-gradient(at 40% 20%, rgba(var(--color-primary-rgb, 139, 127, 255), 0.1) 0px, transparent 50%),
        radial-gradient(at 80% 80%, rgba(var(--color-secondary-rgb, 255, 126, 182), 0.08) 0px, transparent 50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 99998;
    padding: 2rem;
    overflow-y: auto;
}

.auth-card {
    background: rgba(var(--color-bg-card-rgb, 26, 31, 58), 0.95);
    backdrop-filter: blur(30px) saturate(180%);
    border: 1px solid rgba(var(--color-border-primary-rgb, 42, 47, 74), 0.8);
    border-radius: 32px;
    padding: 4rem 3rem;
    max-width: 520px;
    width: 100%;
    text-align: center;
    box-shadow:
        0 24px 80px rgba(0, 0, 0, 0.4),
        0 0 0 1px rgba(var(--color-primary-rgb, 139, 127, 255), 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.08);
    animation: cardFadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

@keyframes cardFadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-logo {
    font-size: 5rem;
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 4px 20px rgba(var(--color-primary-rgb, 139, 127, 255), 0.4));
    animation: logoFloat 3s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

.auth-title {
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 800;
    margin-bottom: 0.75rem;
    background: linear-gradient(
        135deg,
        var(--color-primary, #8b7fff) 0%,
        var(--color-secondary, #ff7eb6) 50%,
        var(--color-accent, #ffd93d) 100%
    );
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.03em;
    line-height: 1.1;
}

.auth-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-secondary, #adb5bd);
    margin-bottom: 1rem;
    font-style: italic;
    font-family: 'Crimson Text', Georgia, serif;
    letter-spacing: 0.02em;
}

.auth-description {
    font-size: 0.95rem;
    color: var(--color-text-muted, #6c757d);
    margin-bottom: 3rem;
    line-height: 1.6;
    max-width: 420px;
    margin-left: auto;
    margin-right: auto;
}

/* ==========================================
   GOOGLE LOGIN BUTTON
   ========================================== */

.google-login-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background-color: white;
    border: 1px solid #747775;
    border-radius: 20px;
    padding: 0 24px;
    height: 56px;
    color: #1f1f1f;
    font-family: 'Roboto', arial, sans-serif;
    font-size: 16px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.218s ease;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    margin: 2rem 0;
    max-width: 400px;
    width: 100%;
}

.google-login-btn:hover {
    border-color: #4285f4;
    box-shadow: 0 6px 20px rgba(66, 133, 244, 0.3);
    background-color: #f8f9fa;
}

.google-login-btn:active {
    background-color: #e8eaed;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.google-login-btn:disabled {
    cursor: default;
    background-color: #ffffff61;
    border-color: #1f1f1f1f;
    opacity: 0.6;
}

/* ==========================================
   TERMS OF SERVICE
   ========================================== */

.auth-tos {
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid rgba(var(--color-border-primary-rgb, 42, 47, 74), 0.5);
    font-size: 0.85rem;
    color: var(--color-text-muted, #6c757d);
    line-height: 1.6;
}

.tos-notice {
    margin-bottom: 0.5rem;
}

.tos-notice a {
    color: var(--color-primary, #8b7fff);
    text-decoration: none;
    transition: color 0.2s ease;
    font-weight: 500;
}

.tos-notice a:hover {
    color: var(--color-secondary, #ff7eb6);
    text-decoration: underline;
}

.tos-summary {
    font-size: 0.8rem;
    font-style: italic;
}

.auth-footer {
    margin-top: 1.5rem;
    font-size: 0.8rem;
    color: var(--color-text-muted, #6c757d);
    opacity: 0.7;
}

/* ==========================================
   SKIP/GUEST BUTTON
   ========================================== */

.auth-skip-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: 1px solid rgba(var(--color-border-primary-rgb, 42, 47, 74), 0.6);
    border-radius: 12px;
    padding: 0.75rem 1.5rem;
    color: var(--color-text-secondary, #adb5bd);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-top: 1rem;
}

.auth-skip-btn:hover {
    background: rgba(var(--color-primary-rgb, 139, 127, 255), 0.1);
    border-color: rgba(var(--color-primary-rgb, 139, 127, 255), 0.4);
    color: var(--color-text-primary, #f8f9fa);
}

.auth-skip-btn:focus-visible {
    outline: 2px solid var(--color-primary, #8b7fff);
    outline-offset: 2px;
}

/* ==========================================
   BODY STATES - SIMPLIFIED
   Content is ALWAYS visible regardless of auth state
   ========================================== */

/* Loading screen - only shown when explicitly displayed via JS */
#auth-loading-screen {
    display: none;
}

/* Auth overlay - only shown when explicitly displayed via JS */
#auth-overlay {
    display: none;
}

/* Main content - ALWAYS visible */
#main-content {
    display: block !important;
    opacity: 1 !important;
    visibility: visible !important;
}

/* Authenticated state - just hides any overlays that might be open */
body.authenticated #auth-overlay {
    display: none !important;
}

body.authenticated #auth-loading-screen {
    display: none !important;
}

/* ==========================================
   WELCOME BACK MESSAGE (Optimized Auth Guard)
   ========================================== */

.welcome-back-msg {
    background: rgba(147, 112, 219, 0.1);
    border: 1px solid rgba(147, 112, 219, 0.3);
    border-radius: 12px;
    padding: 1rem;
    margin: 1.5rem 0;
    text-align: center;
    animation: fadeInUp 0.4s ease-out;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.welcome-text {
    font-size: 1.1rem;
    color: var(--color-primary, #9370DB);
    margin: 0 0 0.5rem 0;
    font-weight: 600;
}

.last-email {
    font-size: 0.9rem;
    color: var(--color-text-secondary, #c0c0c0);
    margin: 0;
    font-family: 'Courier New', Monaco, monospace;
    opacity: 0.8;
}

/* ==========================================
   RESPONSIVE
   ========================================== */

@media (max-width: 768px) {
    .auth-card {
        padding: 3rem 2rem;
        border-radius: 24px;
    }

    .auth-logo {
        font-size: 4rem;
    }

    .auth-title {
        font-size: 2rem;
    }

    .auth-subtitle {
        font-size: 1rem;
    }

    .google-login-btn {
        height: 48px;
        font-size: 14px;
        padding: 0 16px;
    }

    .welcome-back-msg {
        padding: 0.75rem;
    }

    .welcome-text {
        font-size: 1rem;
    }

    .last-email {
        font-size: 0.8rem;
    }
}