/**
 * Component styles: Buttons, inputs, cards
 */

/* Buttons */
.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: var(--min-touch-target);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-family: var(--font-family);
    font-size: 1rem;
    font-weight: 500;
    line-height: 1;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.button svg {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

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

.button-primary:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
}

.button-primary:focus-visible {
    outline-offset: 2px;
}

.button-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.button-secondary:hover:not(:disabled) {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.icon-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: var(--min-touch-target);
    height: var(--min-touch-target);
    padding: var(--spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--radius-full);
    cursor: pointer;
    color: var(--color-text-muted);
    transition: all var(--transition-fast);
}

.icon-button:hover {
    background-color: rgba(0, 0, 0, 0.05);
    color: var(--color-text);
}

.icon-button svg {
    width: 24px;
    height: 24px;
}

/* Stacked / overlapping card list (e.g. plan week cards, Apple Wallet style)
   Use a container with .stacked-cards-container and children with .stacked-card.
   Overlap: --stacked-card-overlap (default 36px). Cards get ascending z-index;
   hovered/focused card can lift via transform. Use --radius-card, --shadow-card from base. */

.stacked-cards-container {
    display: flex;
    flex-direction: column;
    margin-top: 12px;
    padding-bottom: 28px;
}

.stacked-card + .stacked-card {
    margin-top: calc(-1 * var(--stacked-card-overlap, 36px));
}

/* Optional shared card styling + variants (used by Plan + Design Showcase) */
.stacked-card {
    background: var(--week-card-bg, var(--chip-bg, #EDEDED));
    border-radius: var(--radius-card, 14px);
    box-shadow: var(--shadow-card, 0 8px 22px rgba(0,0,0,0.07));
}
.stacked-card--current {
    background: var(--week-card-bg-current, #E6E8ED);
    z-index: 15;
}
.stacked-card--complete {
    background: var(--week-card-bg-complete, #E1E4EA);
}

/* Search form */
.search-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.search-input {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-family);
    font-size: 1rem;
    line-height: var(--line-height-base);
    color: var(--color-text);
    background-color: var(--color-white);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    resize: vertical;
    min-height: 80px;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.search-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.search-input:disabled {
    background-color: var(--color-white);
    cursor: not-allowed;
    opacity: 0.7;
}

.search-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin: 0;
}

.search-buttons {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* Example questions */
.examples-title {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-md);
}

.examples-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.example-button {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-family);
    font-size: 1rem;
    text-align: left;
    color: var(--color-text);
    background-color: var(--color-white);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.example-button:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

.example-button svg {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    opacity: 0.5;
}

.example-button:hover svg {
    opacity: 1;
}

/* Answer card */
.answer-card {
    background-color: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.answer-content {
    padding: var(--spacing-xl);
    line-height: var(--line-height-base);
}

.answer-content p {
    margin-bottom: var(--spacing-md);
}

.answer-content p:last-child {
    margin-bottom: 0;
}

.answer-content ul,
.answer-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.answer-content li {
    margin-bottom: var(--spacing-sm);
}

.answer-content h1,
.answer-content h2,
.answer-content h3,
.answer-content h4,
.answer-content h5,
.answer-content h6 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.3;
}

.answer-content h1:first-child,
.answer-content h2:first-child,
.answer-content h3:first-child {
    margin-top: 0;
}

.answer-content h1 { font-size: 1.5rem; }
.answer-content h2 { font-size: 1.35rem; }
.answer-content h3 { font-size: 1.2rem; }
.answer-content h4 { font-size: 1.1rem; }

.answer-content strong {
    font-weight: 600;
}

.answer-content em {
    font-style: italic;
}

.answer-content a {
    color: var(--color-primary);
    text-decoration: underline;
    text-underline-offset: 2px;
}

.answer-content a:hover {
    color: var(--color-primary-dark);
}

.answer-content code {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.9em;
    padding: 0.15em 0.4em;
    background-color: var(--color-secondary);
    border-radius: var(--radius-sm);
}

.answer-content pre {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-text);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.answer-content pre code {
    display: block;
    padding: 0;
    background-color: transparent;
    color: var(--color-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.answer-content blockquote {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md) var(--spacing-lg);
    border-left: 4px solid var(--color-primary);
    background-color: var(--color-secondary);
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
}

.answer-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    background-color: var(--color-secondary);
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

/* Conversation / Chat */
.conversation-section {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.conversation-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    padding: var(--spacing-md) 0;
}


.chat-message {
    display: flex;
    flex-direction: column;
}

.chat-message-user {
    align-items: flex-end;
}

.chat-message-user .chat-message-content {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-sm) var(--radius-lg);
    max-width: 85%;
}

.chat-message-assistant {
    align-items: flex-start;
}

.chat-message-assistant .chat-message-content {
    background-color: var(--color-white);
    color: var(--color-text);
    border-radius: var(--radius-lg) var(--radius-lg) var(--radius-lg) var(--radius-sm);
    box-shadow: var(--shadow-sm);
    max-width: 95%;
}

.chat-message-content {
    padding: var(--spacing-md) var(--spacing-lg);
    line-height: var(--line-height-base);
}

.chat-message-content p {
    margin-bottom: var(--spacing-md);
}

.chat-message-content p:last-child {
    margin-bottom: 0;
}

.chat-message-content ul,
.chat-message-content ol {
    margin-bottom: var(--spacing-md);
    padding-left: var(--spacing-xl);
}

.chat-message-content li {
    margin-bottom: var(--spacing-sm);
}

.chat-message-content h1,
.chat-message-content h2,
.chat-message-content h3,
.chat-message-content h4 {
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-weight: 600;
    line-height: 1.3;
}

.chat-message-content h1:first-child,
.chat-message-content h2:first-child,
.chat-message-content h3:first-child {
    margin-top: 0;
}

.chat-message-content h1 { font-size: 1.3rem; }
.chat-message-content h2 { font-size: 1.2rem; }
.chat-message-content h3 { font-size: 1.1rem; }

.chat-message-content strong {
    font-weight: 600;
}

.chat-message-content em {
    font-style: italic;
}

.chat-message-content a {
    color: inherit;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.chat-message-assistant .chat-message-content a {
    color: var(--color-primary);
}

.chat-message-content code {
    font-family: 'SF Mono', Monaco, 'Cascadia Code', monospace;
    font-size: 0.9em;
    padding: 0.15em 0.4em;
    background-color: rgba(0, 0, 0, 0.1);
    border-radius: var(--radius-sm);
}

.chat-message-assistant .chat-message-content code {
    background-color: var(--color-secondary);
}

.chat-message-content pre {
    margin-bottom: var(--spacing-md);
    padding: var(--spacing-md);
    background-color: var(--color-text);
    border-radius: var(--radius-md);
    overflow-x: auto;
}

.chat-message-content pre code {
    display: block;
    padding: 0;
    background-color: transparent;
    color: var(--color-secondary);
    font-size: 0.85rem;
    line-height: 1.5;
}

.chat-message-content blockquote {
    margin: var(--spacing-md) 0;
    padding: var(--spacing-md) var(--spacing-lg);
    border-left: 4px solid currentColor;
    opacity: 0.8;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    font-style: italic;
}

.chat-message-assistant .chat-message-content blockquote {
    border-left-color: var(--color-primary);
    background-color: var(--color-secondary);
}

.button-small {
    min-height: auto;
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: var(--font-size-sm);
}

/* Error card */
.error-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-lg);
    padding: var(--spacing-2xl);
    background-color: var(--color-error-light);
    border-radius: var(--radius-lg);
    text-align: center;
}

.error-icon {
    color: var(--color-error);
}

.error-icon svg {
    width: 48px;
    height: 48px;
}

.error-message {
    color: var(--color-error);
    font-size: var(--font-size-lg);
    margin: 0;
}

/* Responsive */
@media (min-width: 768px) {
    .search-form {
        flex-direction: row;
        align-items: flex-start;
    }

    .search-input {
        flex: 1;
    }

    .search-hint {
        display: none;
    }

    .examples-list {
        flex-direction: row;
        flex-wrap: wrap;
    }

    .example-button {
        width: auto;
    }
}