@import 'components/hints.css';
@import 'components/sidebar.css?v=555';
@import 'components/select2.css';
@import 'components/difficulty-badge.css';
@import 'components/subject-block.css';
@import 'components/theme.css?v=2122222';
@import 'components/layout.css';
@import 'components/modals/modal-base.css?v=218973';
@import 'components/reset-button.css';
@import 'components/modals/success-modal.css';
@import 'components/modals/puzzle-selection-modal.css?v=1111121113123';
@import 'components/progress-bar.css';
@import 'components/theme-toggle.css';
@import 'components/modals/tutorial-modal.css?v=283982311';
@import 'components/modals/settings-modal.css';
@import 'components/auth-button.css';
@import 'components/buttons.css';
@import 'components/header.css';
@import 'components/page-header.css';
@import 'components/footer.css';
@import 'components/puzzles-page.css';

.page-layout {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-wrapper {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-wrapper .layout {
    flex: 1;
}

.welcome-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.header-wrapper {
    margin-bottom: 30px;
}

.auth-section-wrapper {
    background: var(--glass-secondary);
    backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 16px 24px;
    margin-top: -8px;
    border: 1px solid var(--border-secondary);
    display: flex;
    justify-content: center;
    align-items: center;
}

.user-info-section {
    display: flex;
    align-items: center;
    gap: 15px;
}

.auth-links {
    display: flex;
    align-items: center;
    gap: 15px;
}

.user-info {
    font-weight: 500;
    color: var(--text-secondary);
    padding: 8px 16px;
    background: var(--accent-bg);
    border-radius: 20px;
    border: 1px solid var(--accent-border);
}

.logout-button {
    background: #dc3545;
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.3s ease;
}

.logout-button:hover {
    background: #c82333;
}

.auth-link {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.auth-link:hover {
    background: var(--accent-bg);
    color: var(--text-primary);
}

.welcome-content {
    background: var(--glass-primary);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-primary);
}

.welcome-section {
    text-align: center;
    max-width: 600px;
    margin: 0 auto;
}

.welcome-section h2 {
    font-size: 36px;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--text-primary);
}

.welcome-section p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 40px;
    line-height: 1.6;
}

.action-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.primary-button {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 16px 32px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.primary-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 30px var(--focus-shadow);
}

.secondary-button {
    background: transparent;
    color: var(--accent-primary);
    border: 2px solid var(--accent-primary);
    padding: 14px 30px;
    border-radius: 10px;
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
}

.secondary-button:hover {
    background: var(--accent-primary);
    color: white;
    transform: translateY(-2px);
}

.guest-message {
    padding: 30px;
    background: var(--accent-bg);
    border-radius: 12px;
    border: 1px solid var(--accent-border);
}

.guest-message p {
    font-size: 16px;
    margin: 0;
    color: var(--text-secondary);
}

.guest-message a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 600;
}

.guest-message a:hover {
    text-decoration: underline;
}

.modal-overlay.active .auth-modal {
    transform: translateY(0) scale(1);
}

.auth-modal {
    background: var(--glass-primary);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    border-radius: 20px;
    padding: 30px;
    max-width: 400px;
    width: 90%;
    max-height: 80vh;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transform: translateY(20px) scale(0.95);
    transition: all 0.3s ease;
    position: relative;
}

.auth-modal .modal-header {
    background: var(--accent-gradient);
    color: white;
    padding: 20px 30px;
    margin: -30px -30px 20px -30px;
    border-radius: 16px 16px 0 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.auth-modal .modal-header h2 {
    margin: 0;
    font-size: 24px;
    font-weight: 600;
}

.auth-modal .modal-close {
    background: none;
    border: none;
    color: white;
    font-size: 28px;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}

.auth-modal .modal-close:hover {
    opacity: 0.7;
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

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

.auth-form label {
    font-weight: 500;
    color: #555;
    font-size: 14px;
}

.auth-form input {
    padding: 12px 16px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    background: var(--glass-subtle);
    color: var(--text-primary);
}

.auth-form input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--focus-shadow);
}

.auth-form small {
    color: #888;
    font-size: 12px;
}

.auth-form .auth-button {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 14px 20px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 10px;
}

.auth-form .auth-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--focus-shadow);
}

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

.auth-toggle {
    margin-top: 20px;
    text-align: center;
}

.auth-toggle p {
    margin: 0;
    color: #666;
    font-size: 14px;
}

.auth-toggle a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

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

.error-message {
    background: #fee;
    color: #c33;
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid #fcc;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin: 50px 0;
}

.feature-card {
    background: var(--glass-secondary);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    padding: 30px 25px;
    text-align: center;
    border: 1px solid var(--border-secondary);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.feature-icon {
    font-size: 48px;
    margin-bottom: 20px;
    display: block;
}

.feature-card h3 {
    font-size: 22px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
    font-size: 16px;
}

.cta-section {
    margin-top: 60px;
    text-align: center;
    padding: 40px;
    background: var(--accent-bg);
    border-radius: 20px;
    border: 1px solid var(--accent-border);
}

.cta-section h3 {
    font-size: 28px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.cta-section p {
    font-size: 18px;
    color: var(--text-secondary);
    margin-bottom: 30px;
    line-height: 1.6;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-primary);
    padding: 20px;
}

.auth-page .auth-container {
    width: 100%;
    max-width: 400px;
}

.auth-page .auth-card {
    background: var(--glass-primary);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border-primary);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-lg);
}

.auth-header {
    text-align: center;
    margin-bottom: 30px;
}

.auth-header h1 {
    font-size: 32px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 8px;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    color: var(--text-secondary);
    font-size: 16px;
    margin: 0;
}

.auth-page .error-message {
    background: var(--error-bg);
    color: var(--text-primary);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 20px;
    border: 1px solid var(--error-border);
}

.auth-page .auth-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
    margin-bottom: 30px;
}

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

.auth-page .form-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 14px;
}

.auth-page .form-group input {
    padding: 12px 16px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    background: var(--glass-subtle);
    color: var(--text-primary);
}

.auth-page .form-group input:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--focus-shadow);
}

.auth-page .form-group small {
    color: var(--text-muted);
    font-size: 12px;
}

.auth-page .auth-button {
    background: var(--accent-gradient);
    color: white;
    border: none;
    padding: 14px 20px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    margin-top: 10px;
}

.auth-page .auth-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px var(--focus-shadow);
}

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

.auth-page .auth-links {
    text-align: center;
}

.auth-page .auth-links p {
    margin: 8px 0;
    color: var(--text-secondary);
    font-size: 14px;
}

.auth-page .auth-links a {
    color: var(--accent-primary);
    text-decoration: none;
    font-weight: 500;
}

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

body.light .auth-page {
    background: var(--light-bg-primary);
}

body.light .auth-page .auth-card {
    background: var(--light-glass-primary);
    border-color: var(--light-border-primary);
    box-shadow: var(--light-shadow-lg);
}

body.light .auth-header h1 {
    color: var(--light-text-primary);
}

body.light .auth-header p {
    color: var(--light-text-secondary);
}

body.light .auth-page .error-message {
    background: var(--light-error-bg);
    color: var(--light-text-primary);
    border-color: var(--light-error-border);
}

body.light .auth-page .form-group label {
    color: var(--light-text-secondary);
}

body.light .auth-page .form-group input {
    border-color: var(--light-border-primary);
    background: var(--light-glass-subtle);
    color: var(--light-text-primary);
}

body.light .auth-page .form-group input:focus {
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px var(--focus-shadow);
}

body.light .auth-page .form-group small {
    color: var(--light-text-muted);
}

body.light .auth-page .auth-links p {
    color: var(--light-text-secondary);
}

body.light .auth-page .auth-links a {
    color: var(--accent-primary);
}

.puzzle-page-layout {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    max-width: 1800px;
    margin: 0 auto;
    padding: 10px;
}

@media (max-width: 1200px) {
    .puzzle-page-layout {
        gap: 24px;
        padding: 18px;
    }
}

@media (max-width: 1024px) {
    .puzzle-page-layout {
        gap: 20px;
        padding: 16px;
    }
}

@media (max-width: 900px) {
    .puzzle-page-layout {
        flex-direction: column;
        gap: 16px;
        padding: 16px;
    }

    #puzzle-container {
        order: 1;
        width: 100%;
    }
}

@media (max-width: 768px) {
    .puzzle-page-layout {
        gap: 14px;
        padding: 14px;
    }
}

body.light .puzzle-title {
    background: var(--accent-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

@media (max-width: 1024px) {
    #puzzle-container {
        order: 1;
    }

    .puzzle-grid {
        flex-direction: column;
        gap: 16px;
    }

    .subject-block {
        min-width: 100%;
        flex: none;
    }
}

@media (max-width: 768px) {
    .puzzle-title {
        font-size: 1.5rem;
    }

    .puzzle-grid {
        flex-direction: column;
        gap: 12px;
    }

    .subject-block {
        min-width: 100%;
        padding: 16px;
    }

    .subject-title {
        font-size: 1rem;
        margin-bottom: 12px;
    }
}

@media (max-width: 480px) {
    .puzzle-page-layout {
        padding: 12px;
        gap: 12px;
    }

    .puzzle-title {
        font-size: 1.25rem;
    }

    .subject-block {
        padding: 12px;
    }

    .btn {
        padding: 8px 12px;
        font-size: 0.8rem;
    }
}

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

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.02);
    }
}

.subject-block.complete {
    animation: pulse 0.6s ease-in-out;
}

.puzzle-title {
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--accent-gradient);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.025em;
}

.header-controls {
    display: flex;
    gap: 12px;
    align-items: center;
}

.puzzle-grid {
    display: flex;
    gap: 20px;
    margin-bottom: 24px;
    flex-wrap: wrap;
}

.satisfied {
    text-decoration: line-through;
    color: var(--success-light);
}