/* *
 * TI-84 AI Math Solver Styles v11.0.0
 * Premium Theme-Aware Solver UI
 */

/* Inherit from main theme -- NO DUPLICATE VARIABLES */
@import url('style.css');

/* Solver-Specific Layout */
.solver-page {
    --solver-gap: 16px;
    --solver-radius: 12px;
    --solver-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

/* Top Bar */
.top-bar {
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: all var(--transition-medium);
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 12px;
    border-radius: 8px;
    transition: background var(--transition-fast);
}

.back-link:hover {
    background: var(--bg-tertiary);
}

/* Chat Container */
.chat-container {
    max-width: 900px;
    margin: 0 auto;
    height: 100%;
    position: relative;
}

/* Solution Area */
.solution-area {
    flex: 1;
    overflow-y: auto;
    padding: var(--solver-gap);
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
}

/* Placeholder Content */
.placeholder-content {
    text-align: center;
    color: var(--text-secondary);
    margin-top: 20vh;
    animation: fadeIn 0.5s ease-out;
}

.placeholder-content h2 {
    margin: 10px 0;
    color: var(--text-primary);
}

.example-btn {
    padding: 8px 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 20px;
    cursor: pointer;
    font-size: 12px;
    margin: 4px;
    transition: all var(--transition-fast);
}

.example-btn:hover {
    border-color: var(--text-info);
    color: var(--text-info);
    transform: translateY(-1px);
}

/* Input Wrapper */
.input-wrapper {
    flex-shrink: 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
    padding: 12px var(--solver-gap);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
}

.input-box {
    display: flex;
    gap: 10px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    padding: 8px;
    border-radius: var(--solver-radius);
    align-items: center;
    transition: all var(--transition-fast);
}

.input-box:focus-within {
    border-color: var(--text-info);
    box-shadow: var(--focus-ring);
}

.problem-input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-primary);
    padding: 8px;
    font-size: 16px;
    outline: none;
}

.problem-input::placeholder {
    color: var(--text-secondary);
    opacity: 0.7;
}

/* Solve Button */
.solve-btn {
    padding: 8px 20px;
    background: var(--text-info);
    color: white;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 80px;
    height: 36px;
    transition: all var(--transition-fast);
}

.solve-btn:hover:not(:disabled) {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

.solve-btn:active:not(:disabled) {
    transform: translateY(0);
}

.solve-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

/* Loader */
.loader {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* Solution Content */
.solution-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 12px;
}

.solution-label {
    font-weight: bold;
    color: var(--text-secondary);
    font-size: 14px;
}

.copy-btn {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 6px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.copy-btn:hover {
    background: var(--text-info);
    color: white;
}

.step-content {
    background: var(--bg-secondary);
    padding: 20px;
    border-radius: var(--solver-radius);
    border: 1px solid var(--border-color);
    line-height: 1.6;
    color: var(--text-primary);
    animation: slideUp 0.3s ease-out;
}

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

.step-content h1,
.step-content h2,
.step-content h3 {
    color: var(--text-info);
    margin-top: 15px;
    margin-bottom: 10px;
}

.step-content p {
    margin-bottom: 10px;
}

.step-content code {
    background: var(--bg-tertiary);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.9em;
    color: var(--text-warning, #f39c12);
}

.step-content pre {
    background: var(--bg-tertiary);
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.step-content blockquote {
    border-left: 4px solid var(--text-info);
    margin: 10px 0;
    padding-left: 15px;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border-radius: 0 4px 4px 0;
}

/* Solution Footer */
.solution-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.solve-time {
    font-size: 12px;
    color: var(--text-secondary);
}

.new-problem-btn {
    padding: 8px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    font-size: 13px;
    transition: all var(--transition-fast);
}

.new-problem-btn:hover {
    background: var(--text-info);
    color: white;
    border-color: var(--text-info);
}

/* Error States */
.error-container {
    text-align: center;
    padding: 30px;
    background: var(--bg-secondary);
    border-radius: var(--solver-radius);
    border: 1px solid var(--border-color);
}

.error-icon {
    font-size: 30px;
    margin-bottom: 10px;
}

.error-message {
    margin: 10px 0;
    color: var(--text-error);
}

.error-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    margin-top: 15px;
}

.retry-btn,
.simplify-btn {
    padding: 8px 16px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background: var(--bg-primary);
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.retry-btn:hover {
    background: var(--text-info);
    color: white;
    border-color: var(--text-info);
}

.simplify-btn:hover {
    background: var(--text-warning, #f39c12);
    color: white;
    border-color: var(--text-warning, #f39c12);
}

/* Mobile Optimizations */
@media (max-width: 375px) {
    .chat-container {
        max-width: 100%;
    }
    
    .solution-area {
        padding: 12px;
    }
    
    .input-wrapper {
        padding: 10px;
    }
    
    .solve-btn {
        min-width: 70px;
        padding: 6px 12px;
    }
    
    .example-btn {
        font-size: 11px;
        padding: 6px 12px;
    }
}

/* Tablet Optimizations */
@media (min-width: 768px) {
    .solver-page {
        padding: 20px;
    }
    
    .chat-container {
        max-width: 800px;
    }
    
    .step-content {
        padding: 24px;
    }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
    .input-box:focus-within {
        outline: 3px solid var(--text-info);
        outline-offset: 2px;
    }
    
    button:focus-visible {
        outline: 3px solid var(--text-info);
        outline-offset: 2px;
    }
}

/* Print Styles */
@media print {
    .top-bar,
    .input-wrapper {
        display: none;
    }
    
    .step-content {
        break-inside: avoid;
        background: white !important;
        color: black !important;
    }
}

/* ==========================================================================
   THEME-AWARE LINK COLORS (all tool pages)
   ========================================================================== */

/* Light theme fallback (default) */
a {
  color: #0066cc;
}

/* Dark theme – bright readable blue */
[data-theme="dark"] a {
  color: #5dade2;
}

/* Solar theme – gold, matches the solar palette */
[data-theme="solar"] a {
  color: #ffd700;
}

/* Keep navigation links untouched – they already have their own styles */
header a,
.sidebar a,
.nav-link,
.breadcrumb-nav a,
.legal-links a,
.footer a {
  /* inherited or already styled – reset so the above doesn't override them */
  color: inherit;
}

/* Restore footer and legal link colors */
.footer a {
  color: var(--text-secondary);
}
.legal-links a {
  color: var(--link-color); /* or use --accent-secondary if available */
}

/* Hover state */
a:hover {
  text-decoration: underline;
  opacity: 0.9;
}