/* Main CSS file - imports base styles */
@import "./base.css";
@import "./about.css";
@import "./concepts.css";
@import "./topic.css";
@import "./markdown.css";
@import "./edit-graph.css";
@import "./graph.css";
@import "./login.css";

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

.header-content {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    gap: 20px;
}

.header-text {
    grid-column: 2;
    text-align: center;
}

.header-nav {
    display: flex;
    gap: 20px;
    justify-content: flex-end;
    grid-column: 3;
}

.nav-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    padding: 8px 16px;
    border-radius: 6px;
    transition: all 0.2s ease;
}

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

/* Responsive header layout */
@media (max-width: 768px) {
    .header-content {
        grid-template-columns: 1fr;
        gap: 15px;
        text-align: center;
    }

    .header-text {
        grid-column: 1;
    }

    .header-nav {
        grid-column: 1;
        justify-content: center;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

header h1 {
    color: var(--text-primary);
    margin-bottom: 10px;
    font-size: 2.5rem;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.input-section {
    display: flex;
    gap: 15px;
    margin-bottom: 30px;
    justify-content: center;
    flex-wrap: wrap;
}

#slugInput {
    flex: 1;
    max-width: 400px;
    padding: 12px 16px;
    border: 2px solid var(--border-primary);
    border-radius: 8px;
    font-size: 16px;
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    transition: border-color 0.3s ease;
}

#slugInput:focus {
    outline: none;
    border-color: var(--accent-primary);
}

#slugInput.warning {
    border-color: var(--warning);
    background-color: rgba(243, 156, 18, 0.1);
}

#slugInput.error {
    border-color: var(--error);
    background-color: rgba(231, 76, 60, 0.1);
}

/* Autocomplete Dropdown */
.autocomplete-dropdown {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    box-shadow: 0 4px 12px var(--shadow);
    max-height: 300px;
    overflow-y: auto;
    z-index: 1000;
}

.autocomplete-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    transition: background-color 0.2s ease;
    gap: 12px;
}

.autocomplete-item:last-child {
    border-bottom: none;
}

.autocomplete-item:hover,
.autocomplete-item.selected {
    background-color: var(--bg-tertiary);
}

.autocomplete-success {
    padding: 12px 16px;
    background-color: var(--success);
    color: white;
    text-align: center;
    font-size: 14px;
    border-radius: 4px;
    margin: 4px;
    animation: slideIn 0.3s ease;
}

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

#generateBtn {
    padding: 12px 24px;
    background-color: var(--accent-primary);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

#generateBtn:hover {
    background-color: var(--accent-hover);
}

#generateBtn:disabled {
    background-color: var(--text-secondary);
    cursor: not-allowed;
}

.loading {
    text-align: center;
    padding: 40px;
}

.spinner {
    border: 4px solid var(--border-light);
    border-top: 4px solid var(--accent-primary);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: 0 auto 15px;
}

@keyframes spin {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.content-section {
    background: var(--bg-secondary);
    border-radius: 12px;
    box-shadow: 0 4px 6px var(--shadow);
    overflow: hidden;
}

.content-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: var(--bg-tertiary);
    border-bottom: 1px solid var(--border-secondary);
    gap: 20px;
}

.copy-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    justify-content: center;
    min-width: 80px;
    padding: 8px 12px;
    background: none;
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.copy-btn:hover {
    background-color: var(--border-secondary);
    color: var(--text-primary);
    border-color: var(--border-secondary);
}

.copy-btn:disabled {
    opacity: 0.7;
    cursor: not-allowed;
}

.content-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.dropdown {
    position: relative;
    display: inline-block;
}

.actions-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 32px;
    height: 32px;
    padding: 6px;
    background: none;
    border: 1px solid var(--border-primary);
    border-radius: 4px;
    cursor: pointer;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.actions-btn:hover,
.actions-btn.active {
    background-color: var(--border-secondary);
    color: var(--text-primary);
    border-color: var(--border-secondary);
}

.dropdown-content {
    display: none;
    position: absolute;
    right: 0;
    top: 100%;
    margin-top: 4px;
    min-width: 180px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    box-shadow: 0 4px 12px var(--shadow);
    z-index: 1000;
    overflow: hidden;
}

.dropdown-content.show {
    display: block;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    padding: 10px 12px;
    background: none;
    border: none;
    text-align: left;
    font-size: 14px;
    color: var(--text-primary);
    cursor: pointer;
    transition: background-color 0.2s ease;
}

.dropdown-item:hover {
    background-color: var(--bg-tertiary);
}

.dropdown-item:not(:last-child) {
    border-bottom: 1px solid var(--border-light);
}

.dropdown-item.delete-btn:hover {
    background-color: var(--error);
    color: white;
}

.dropdown-item svg {
    flex-shrink: 0;
    opacity: 0.7;
}

.dropdown-item .spinning {
    animation: spin 1s linear infinite;
}

.placeholder {
    color: var(--text-secondary);
    font-style: italic;
    text-align: center;
    padding: 60px 20px;
}

/* Graph Page Layout with Sidebar */
.graph-main-content {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

/* Dark Mode Toggle */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 50px;
    padding: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 8px var(--shadow);
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 50px;
    height: 50px;
    justify-content: center;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.theme-toggle svg {
    width: 20px;
    height: 20px;
    fill: var(--text-primary);
    transition: all 0.3s ease;
}

.theme-toggle .sun-icon {
    display: block;
}

.theme-toggle .moon-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
    display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
    display: block;
}

@media (max-width: 768px) {
    .theme-toggle {
        top: 10px;
        right: 10px;
        min-width: 45px;
        height: 45px;
    }

    .theme-toggle svg {
        width: 18px;
        height: 18px;
    }
}

/* Graph Management Styles */
.graphs-section {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

.user-graphs-section {
    margin-bottom: 40px;
    padding-bottom: 20px;
}

.graphs-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-primary);
}

.graphs-header h2 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 600;
}

.create-graph-btn {
    background: var(--accent-primary);
    color: white;
    border: none;
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    transition: background-color 0.2s;
}

.create-graph-btn:hover {
    background: var(--accent-hover);
}

.graphs-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.graph-card-link {
    text-decoration: none;
    color: inherit;
}

.graph-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-primary);
    border-radius: 8px;
    padding: 20px;
    transition:
        box-shadow 0.2s,
        transform 0.2s;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.graph-card:hover {
    box-shadow: 0 4px 12px var(--shadow);
    transform: translateY(-2px);
}

.graph-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.graph-name {
    color: var(--text-primary);
    font-size: 1.2rem;
    font-weight: 600;
    margin: 0;
    flex: 1;
    margin-right: 10px;
}

.graph-actions {
    display: flex;
    gap: 8px;
    flex-shrink: 0;
}

.action-btn {
    background: transparent;
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: 6px 10px;
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 0.875rem;
    transition: all 0.2s;
}

.action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.action-btn.delete-btn:hover {
    background: var(--error);
    color: white;
    border-color: var(--error);
}

.action-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    color: var(--text-muted);
    border-color: var(--border-light);
}

.action-btn:disabled:hover {
    background: transparent;
    color: var(--text-muted);
    border-color: var(--border-light);
}

.graph-description {
    color: var(--text-secondary);
    margin-bottom: 16px;
    line-height: 1.5;
    flex: 1;
}

.graph-footer {
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
}

.graph-stats {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 12px;
}

.graph-date {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.empty-state {
    grid-column: 1 / -1;
    text-align: center;
    padding: 60px 20px;
    background: var(--bg-secondary);
    border: 2px dashed var(--border-primary);
    border-radius: 12px;
}

.empty-state h3 {
    color: var(--text-primary);
    margin-bottom: 12px;
    font-size: 1.3rem;
}

.empty-state p {
    color: var(--text-secondary);
    margin-bottom: 24px;
    line-height: 1.6;
}

.loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--text-secondary);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
}

.modal-content {
    background: var(--bg-secondary);
    border-radius: 12px;
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-primary);
}

.modal-header h3 {
    color: var(--text-primary);
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.close-btn {
    background: none;
    border: none;
    font-size: 24px;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.close-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-form {
    padding: 24px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    color: var(--text-primary);
    font-weight: 500;
    margin-bottom: 6px;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    background: var(--bg-primary);
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--accent-primary);
}

.form-group textarea {
    resize: vertical;
    min-height: 80px;
}

.form-help {
    margin-top: 4px;
    padding: 0 4px;
}

.form-help small {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.4;
}

.validation-message {
    margin-top: 4px;
    padding: 0 4px;
}

.validation-message small {
    font-size: 12px;
    line-height: 1.4;
}

.validation-message.error small {
    color: var(--error);
    font-weight: 500;
}

.validation-message.warning small {
    color: var(--warning);
    font-weight: 500;
}

.validation-message.info small {
    color: var(--text-secondary);
}

.form-actions {
    display: flex;
    gap: 12px;
    justify-content: flex-end;
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--border-primary);
}

.btn-primary,
.btn-secondary {
    padding: 10px 20px;
    border-radius: 6px;
    font-weight: 500;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

.btn-primary {
    background: var(--accent-primary);
    color: white;
}

.btn-primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

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

.btn-secondary {
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid var(--border-primary);
}

.btn-secondary:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Edit Modal Styles */
.edit-modal {
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
}

.prompt-editor-container {
    position: relative;
    margin-bottom: 8px;
}

.prompt-editor {
    width: 100%;
    min-height: 200px;
    padding: 12px;
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
    font-size: 13px;
    line-height: 1.5;
    resize: vertical;
    white-space: pre-wrap;
    word-wrap: break-word;
    transition: border-color 0.2s ease;
}

.prompt-editor:focus {
    outline: none;
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 2px var(--accent-primary) 20;
}

.prompt-editor::placeholder {
    color: var(--text-muted);
    opacity: 0.7;
}

.prompt-help {
    margin-top: 4px;
    padding: 0 4px;
}

.prompt-help small {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.4;
}

/* Reset button styles */
.form-group label {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 6px;
}

.reset-btn {
    background: none;
    border: 1px solid var(--border-primary);
    color: var(--text-secondary);
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: all 0.2s ease;
    margin-left: 12px;
}

.reset-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-color: var(--accent-primary);
}

.reset-btn svg {
    opacity: 0.7;
    transition: opacity 0.2s ease;
}

.reset-btn:hover svg {
    opacity: 1;
}

.prompt-help code {
    background: var(--bg-tertiary);
    padding: 2px 4px;
    border-radius: 3px;
    font-family: "Monaco", "Menlo", "Ubuntu Mono", monospace;
    font-size: 11px;
    color: var(--accent-primary);
    border: 1px solid var(--border-secondary);
}

.prompt-editor {
    position: relative;
    z-index: 2;
    background: transparent;
}

/* Dark theme adjustments */
[data-theme="dark"] .prompt-editor {
    background: var(--bg-tertiary);
    border-color: var(--border-secondary);
}

[data-theme="dark"] .prompt-help code {
    background: var(--bg-secondary);
    color: var(--accent-light);
}

/* Character counter and validation styles */
.char-counter {
    margin-top: 4px;
    padding: 0 4px;
    font-size: 12px;
    color: var(--text-secondary);
    text-align: right;
}

.char-counter.warning {
    color: var(--warning);
    font-weight: 500;
}

.char-counter.error {
    color: var(--error);
    font-weight: 600;
}

.prompt-editor.invalid {
    border-color: var(--error);
    box-shadow: 0 0 0 2px var(--error) 20;
}

.prompt-editor.invalid:focus {
    border-color: var(--error);
    box-shadow: 0 0 0 2px var(--error) 40;
}

button[disabled] {
    opacity: 0.6;
    cursor: not-allowed;
}

button[disabled]:hover {
    background: var(--accent-primary);
    transform: none;
}

/* Radio group styling */
.radio-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.radio-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 12px;
    border: 1px solid var(--border-primary);
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.2s ease;
    position: relative;
}

.radio-option:hover {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
}

.radio-option input[type="radio"] {
    width: 16px;
    height: 16px;
    margin: 2px 0 0 0;
    flex-shrink: 0;
    accent-color: var(--accent-primary);
}

.radio-option input[type="radio"]:checked + .radio-label {
    color: var(--text-primary);
}

.radio-option input[type="radio"]:checked + .radio-label strong {
    color: var(--accent-primary);
}

.radio-option:has(input[type="radio"]:checked) {
    background: var(--bg-tertiary);
    border-color: var(--accent-primary);
    box-shadow: 0 0 0 1px var(--accent-primary);
}

.radio-label {
    flex: 1;
    line-height: 1.4;
}

.radio-label strong {
    font-weight: 600;
    display: block;
    margin-bottom: 2px;
}

.radio-label span:not(strong) {
    font-size: 13px;
    color: var(--text-secondary);
}