/* ===============================================
   Auth Pages Styles (Login/Register)
   Modern centered card design
   =============================================== */

/* CSS Variables for theming */
:root {
    --auth-bg-primary: #0a0a0f;
    --auth-bg-secondary: #12121a;
    --auth-card-bg: rgba(18, 18, 26, 0.95);
    --auth-border-color: rgba(255, 255, 255, 0.1);
    --auth-text-primary: #ffffff;
    --auth-text-secondary: #a0a0a0;
    --auth-text-muted: #666;
    --auth-input-bg: rgba(255, 255, 255, 0.05);
    --auth-input-border: rgba(255, 255, 255, 0.15);
    --auth-input-focus-border: var(--brand-primary, #4AAEDC);
    --auth-error-color: #ff6b6b;
    --auth-success-color: #51cf66;
}

/* Light mode overrides */
.dark-mode {
    --auth-bg-primary: #f0f2f5;
    --auth-bg-secondary: #ffffff;
    --auth-card-bg: rgba(255, 255, 255, 0.98);
    --auth-border-color: rgba(0, 0, 0, 0.1);
    --auth-text-primary: #1a1a2e;
    --auth-text-secondary: #555;
    --auth-text-muted: #888;
    --auth-input-bg: rgba(0, 0, 0, 0.03);
    --auth-input-border: rgba(0, 0, 0, 0.15);
}

/* Reset for auth pages */
body.auth-page {
    margin: 0;
    padding: 0;
    height: 100vh;
    width: 100%;
    max-width: 100vw;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--auth-bg-primary);
    background-image:
        radial-gradient(ellipse at 20% 80%, rgba(74, 174, 220, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(90, 192, 232, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(74, 174, 220, 0.05) 0%, transparent 70%);
    position: relative;
    overflow: hidden;
    box-sizing: border-box;
}

/* Prevent horizontal overflow */
.auth-page,
.auth-page * {
    box-sizing: border-box;
    max-width: 100%;
}

/* Subtle animated background effect - disabled on mobile to prevent overflow */
@media (min-width: 481px) {
    .auth-page::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background:
            radial-gradient(circle at 30% 30%, rgba(74, 174, 220, 0.08) 0%, transparent 30%),
            radial-gradient(circle at 70% 70%, rgba(90, 192, 232, 0.06) 0%, transparent 30%);
        animation: authBgFloat 20s ease-in-out infinite;
        pointer-events: none;
    }
}

@keyframes authBgFloat {
    0%, 100% { transform: translate(0, 0) rotate(0deg); }
    25% { transform: translate(2%, 2%) rotate(1deg); }
    50% { transform: translate(0, 4%) rotate(0deg); }
    75% { transform: translate(-2%, 2%) rotate(-1deg); }
}

/* Auth card container */
.auth-card {
    width: calc(100% - 30px);
    max-width: 440px;
    background: var(--auth-card-bg);
    border: 1px solid var(--auth-border-color);
    border-radius: 12px;
    padding: 32px;
    box-shadow:
        0 4px 24px rgba(0, 0, 0, 0.2),
        0 0 0 1px rgba(255, 255, 255, 0.05) inset;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    position: relative;
    z-index: 1;
    margin: 15px;
}

/* Logo */
.auth-logo {
    display: block;
    text-align: center;
    margin-bottom: 16px;
}

.auth-logo img {
    height: 36px;
    width: auto;
    transition: transform 0.3s ease;
}

.auth-logo:hover img {
    transform: scale(1.05);
}

/* Title and subtitle */
.auth-card h1 {
    margin: 0 0 4px 0;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--auth-text-primary);
    text-align: center;
}

.auth-subtitle {
    margin: 0 0 16px 0;
    font-size: 0.85rem;
    color: var(--auth-text-secondary);
    text-align: center;
}

/* Form */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

/* Input groups */
.auth-input-group {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.auth-input-group label {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--auth-text-secondary);
}

.auth-input-group input[type="text"],
.auth-input-group input[type="email"],
.auth-input-group input[type="password"] {
    width: 100%;
    padding: 10px 12px;
    font-size: 0.9rem;
    color: var(--auth-text-primary);
    background: var(--auth-input-bg);
    border: 1px solid var(--auth-input-border);
    border-radius: 6px;
    outline: none;
    transition: all 0.2s ease;
    box-sizing: border-box;
}

.auth-input-group input:focus {
    border-color: var(--auth-input-focus-border);
    box-shadow: 0 0 0 3px rgba(74, 174, 220, 0.15);
    background: var(--auth-input-bg);
}

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

/* Password input with toggle */
.auth-password-wrapper {
    position: relative;
}

.auth-password-wrapper input {
    padding-right: 48px;
}

.auth-password-toggle {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--auth-text-muted);
    cursor: pointer;
    padding: 4px;
    font-size: 1.1rem;
    transition: color 0.2s ease;
}

.auth-password-toggle:hover {
    color: var(--auth-text-primary);
}

/* Options row (remember me + forgot password) */
.auth-options {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: -5px;
}

/* Custom checkbox */
.auth-checkbox {
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--auth-text-secondary);
}

.auth-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin: 0;
    accent-color: var(--brand-primary, #4AAEDC);
    cursor: pointer;
}

.auth-checkbox span {
    user-select: none;
}

.auth-options a {
    font-size: 0.875rem;
    color: var(--brand-primary, #4AAEDC);
    text-decoration: none;
    transition: color 0.2s ease;
}

.auth-options a:hover {
    color: var(--brand-accent, #5AC0E8);
    text-decoration: underline;
}

/* Primary button */
.auth-btn-primary {
    width: 100%;
    padding: 10px 16px;
    font-size: 0.9rem;
    font-weight: 600;
    color: #ffffff;
    background: linear-gradient(135deg, var(--brand-primary, #4AAEDC), var(--brand-accent, #5AC0E8));
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-top: 4px;
}

.auth-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(74, 174, 220, 0.4);
}

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

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

/* OAuth section */
.auth-oauth-section {
    margin-top: 14px;
}

/* Use existing oauth-divider from oauth-buttons.css */

/* Footer links */
.auth-footer {
    margin-top: 14px;
    text-align: center;
    font-size: 0.8rem;
    color: var(--auth-text-secondary);
}

.auth-footer a {
    color: var(--brand-primary, #4AAEDC);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s ease;
}

.auth-footer a:hover {
    color: var(--brand-accent, #5AC0E8);
    text-decoration: underline;
}

/* Additional links section */
.auth-links {
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--auth-border-color);
    text-align: center;
}

.auth-links p {
    margin: 5px 0;
    font-size: 0.8rem;
    color: var(--auth-text-muted);
}

.auth-links a {
    color: var(--auth-text-secondary);
    text-decoration: none;
    transition: color 0.2s ease;
}

.auth-links a:hover {
    color: var(--brand-primary, #4AAEDC);
}

/* Error/Success messages */
.auth-message {
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.auth-message i {
    font-size: 1.1rem;
    flex-shrink: 0;
}

.auth-message-error {
    background: rgba(255, 107, 107, 0.1);
    border: 1px solid rgba(255, 107, 107, 0.3);
    color: var(--auth-error-color);
}

.auth-message-success {
    background: rgba(81, 207, 102, 0.1);
    border: 1px solid rgba(81, 207, 102, 0.3);
    color: var(--auth-success-color);
}

.auth-message-info {
    background: rgba(74, 174, 220, 0.1);
    border: 1px solid rgba(74, 174, 220, 0.3);
    color: var(--brand-primary, #4AAEDC);
}

/* Privacy checkbox styling */
.auth-privacy {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 0.8rem;
    color: var(--auth-text-secondary);
    line-height: 1.4;
    cursor: pointer;
}

.auth-privacy input[type="checkbox"] {
    width: 16px;
    height: 16px;
    margin-top: 1px;
    flex-shrink: 0;
    accent-color: var(--brand-primary, #4AAEDC);
    cursor: pointer;
}

.auth-privacy a {
    color: var(--brand-primary, #4AAEDC);
    text-decoration: none;
}

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

/* OAuth registration info box */
.auth-oauth-info {
    background: var(--auth-input-bg);
    border: 1px solid var(--brand-primary, #4AAEDC);
    border-radius: 10px;
    padding: 18px;
    margin-bottom: 18px;
    text-align: center;
}

.auth-oauth-info p {
    margin: 0 0 12px 0;
    color: var(--auth-text-secondary);
    font-size: 0.85rem;
}

.auth-oauth-avatar {
    width: 64px;
    height: 64px;
    border-radius: 12px;
    margin: 0 auto 12px;
    display: block;
    border: 2px solid var(--brand-primary, #4AAEDC);
    object-fit: cover;
}

.auth-oauth-name {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--auth-text-primary);
    margin: 0 0 4px 0;
}

.auth-oauth-email {
    font-size: 0.85rem;
    color: var(--auth-text-secondary);
    margin: 0;
}

/* Back to home link */
.auth-back-home {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--auth-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color 0.2s ease;
    z-index: 10;
}

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

.auth-back-home i {
    font-size: 0.85rem;
}

/* Mobile back link (inside card) - hidden on desktop */
.auth-back-mobile {
    display: none;
}

/* Responsive adjustments */
@media (max-width: 480px) {
    body.auth-page {
        padding: 0;
        align-items: flex-start;
    }

    .auth-card {
        padding: 20px 16px;
        border-radius: 0;
        max-width: 100%;
        width: 100%;
        margin: 0;
        border-left: none;
        border-right: none;
        min-height: 100vh;
    }

    .auth-logo {
        margin-bottom: 12px;
    }

    .auth-logo img {
        height: 32px;
    }

    .auth-card h1 {
        font-size: 1.1rem;
    }

    .auth-subtitle {
        font-size: 0.8rem;
        margin-bottom: 12px;
    }

    .auth-form {
        gap: 10px;
    }

    .auth-input-group input[type="text"],
    .auth-input-group input[type="email"],
    .auth-input-group input[type="password"] {
        padding: 9px 10px;
        font-size: 0.85rem;
    }

    .auth-btn-primary {
        padding: 9px 14px;
        font-size: 0.85rem;
    }

    .auth-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
    }

    .auth-checkbox {
        font-size: 0.8rem;
    }

    .auth-privacy {
        font-size: 0.75rem;
    }

    .auth-oauth-section {
        margin-top: 12px;
    }

    .auth-footer {
        margin-top: 12px;
        font-size: 0.75rem;
    }

    .auth-links {
        margin-top: 10px;
        padding-top: 10px;
    }

    .auth-links p {
        font-size: 0.7rem;
    }

    .auth-back-home {
        display: none;
    }

    .auth-back-mobile {
        display: flex;
        align-items: center;
        gap: 8px;
        color: var(--auth-text-secondary);
        text-decoration: none;
        font-size: 0.8rem;
        margin-bottom: 16px;
    }

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

    .auth-back-mobile i {
        font-size: 0.75rem;
    }

    .auth-message {
        padding: 10px 12px;
        font-size: 0.8rem;
        margin-bottom: 12px;
    }

    .auth-oauth-info {
        padding: 14px;
        margin-bottom: 14px;
    }

    .auth-oauth-avatar {
        width: 50px;
        height: 50px;
    }

    .auth-oauth-name {
        font-size: 1rem;
    }

    .auth-oauth-email {
        font-size: 0.8rem;
    }
}

/* Animation for card entrance */
@keyframes authCardEnter {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-card {
    animation: authCardEnter 0.4s ease-out;
}