/*
 * LoveBud Components: AI Side Panel Stylesheet
 * v20260616-ai-panel-1
 *
 * Design token compliance:
 * - Base: --color-bg-base (#FDFBF7)
 * - Primary: --color-primary (#C27C7E)
 * - Secondary: --color-secondary (#A8A39C)
 * - Text Main: --color-text-main (#3E342F)
 * - Text Muted: --color-text-muted (#8C827A)
 */

/* Header Trigger Button */
.header-ai-trigger {
    display: flex;
    align-items: center;
    gap: 6px;
    height: 36px;
    padding: 0 14px;
    font-size: 14px;
    font-family: inherit;
    font-weight: 500;
    color: var(--color-primary);
    background-color: transparent;
    border: 1px dashed var(--color-primary);
    border-radius: 18px;
    cursor: pointer;
    transition: all 0.2s ease-in-out;
}

.header-ai-trigger:hover {
    background-color: rgba(194, 124, 126, 0.08);
    border-style: solid;
    transform: translateY(-1px);
}

.header-ai-trigger span.material-symbols-outlined {
    font-size: 18px;
}

@media (max-width: 768px) {
    .header-ai-trigger-text {
        display: none;
    }
    .header-ai-trigger {
        padding: 0;
        width: 36px;
        height: 36px;
        justify-content: center;
        border-radius: 50%;
    }
}

/* Floating Action Button (FAB) */
.lovebud-ai-fab {
    position: fixed;
    right: 24px;
    bottom: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background-color: var(--color-primary);
    color: #FFFFFF;
    border: none;
    box-shadow: 0 6px 20px rgba(194, 124, 126, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1000;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.lovebud-ai-fab:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 8px 24px rgba(194, 124, 126, 0.5);
    background-color: #B56D70;
}

.lovebud-ai-fab span.material-symbols-outlined {
    font-size: 28px;
}

/* Mobile viewport adjustments for FAB */
@media (max-width: 480px) {
    .lovebud-ai-fab {
        right: 16px;
        bottom: 80px; /* Avoid mobile bottom navigation / tabs overlap */
        width: 48px;
        height: 48px;
    }
    .lovebud-ai-fab span.material-symbols-outlined {
        font-size: 24px;
    }
}

/* Side Panel Layout & Backdrop */
.lovebud-ai-panel-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    z-index: 2000;
    pointer-events: none;
    font-family: 'Outfit', 'Noto Sans KR', sans-serif;
}

.lovebud-ai-panel-container.active {
    pointer-events: auto;
}

/* Backdrop Blur */
.lovebud-ai-panel-backdrop {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(62, 52, 47, 0.3);
    backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity 0.35s ease;
    pointer-events: none;
}

.lovebud-ai-panel-container.active .lovebud-ai-panel-backdrop {
    opacity: 1;
    pointer-events: auto;
}

/* Panel Sheet Drawer (Right side panel) */
.lovebud-ai-panel-sheet {
    position: absolute;
    top: 0;
    right: 0;
    width: 400px;
    height: 100%;
    background-color: var(--color-bg-base);
    box-shadow: -10px 0 30px rgba(62, 52, 47, 0.15);
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.38s cubic-bezier(0.16, 1, 0.3, 1);
}

.lovebud-ai-panel-container.active .lovebud-ai-panel-sheet {
    transform: translateX(0);
}

/* Body class styles: lock body scroll and interaction when open */
body.lovebud-ai-panel-open {
    overflow: hidden;
}

@media (max-width: 480px) {
    .lovebud-ai-panel-sheet {
        width: 100%;
    }
}

/* Panel Header */
.lovebud-ai-panel-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid rgba(194, 124, 126, 0.12);
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
}

.lovebud-ai-panel-header-title {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--color-text-main);
}

.lovebud-ai-panel-header-title span.material-symbols-outlined {
    font-size: 22px;
    color: var(--color-primary);
}

.lovebud-ai-panel-header-title h2 {
    font-size: 18px;
    font-weight: 600;
    margin: 0;
}

.lovebud-ai-panel-close-btn {
    background: none;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    transition: background-color 0.2s;
}

.lovebud-ai-panel-close-btn:hover {
    background-color: rgba(140, 130, 122, 0.12);
    color: var(--color-text-main);
}

/* Content Area */
.lovebud-ai-panel-content {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    background-image: radial-gradient(rgba(194, 124, 126, 0.03) 1px, transparent 0);
    background-size: 16px 16px;
}

/* Welcome Screen */
.lovebud-ai-panel-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 24px 10px;
    animation: fadeIn 0.4s ease;
}

.lovebud-ai-panel-welcome-icon {
    font-size: 44px;
    margin-bottom: 12px;
    filter: drop-shadow(0 4px 8px rgba(194, 124, 126, 0.2));
}

.lovebud-ai-panel-welcome h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--color-text-main);
    margin: 0 0 10px 0;
}

.lovebud-ai-panel-welcome p {
    font-size: 14px;
    line-height: 1.5;
    color: var(--color-text-muted);
    margin: 0 0 24px 0;
}

.lovebud-ai-panel-suggest-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
}

.lovebud-ai-panel-suggest-card {
    background-color: rgba(255, 255, 255, 0.7);
    border: 1px solid rgba(194, 124, 126, 0.12);
    border-radius: 12px;
    padding: 14px 16px;
    text-align: left;
    cursor: pointer;
    transition: all 0.25s ease;
    display: grid;
    grid-template-columns: auto 1fr;
    grid-template-rows: auto auto;
    column-gap: 12px;
    row-gap: 2px;
}

.lovebud-ai-panel-suggest-card:hover {
    transform: translateY(-2px);
    border-color: var(--color-primary);
    background-color: #FFFFFF;
    box-shadow: 0 6px 16px rgba(194, 124, 126, 0.08);
}

.lovebud-ai-panel-suggest-card span.material-symbols-outlined {
    grid-row: 1 / span 2;
    align-self: center;
    font-size: 22px;
    color: var(--color-primary);
    background-color: rgba(194, 124, 126, 0.1);
    width: 36px;
    height: 36px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lovebud-ai-panel-suggest-card strong {
    font-size: 14px;
    color: var(--color-text-main);
}

.lovebud-ai-panel-suggest-card span:not(.material-symbols-outlined) {
    font-size: 12px;
    color: var(--color-text-muted);
}

/* Chat Messages */
.lovebud-ai-panel-chat-area {
    display: flex;
    flex-direction: column;
    gap: 16px;
    flex: 1;
}

.lovebud-ai-messages-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

/* Message Bubbles */
.lovebud-ai-msg {
    max-width: 85%;
    padding: 12px 14px;
    border-radius: 16px;
    font-size: 14px;
    line-height: 1.5;
    animation: slideUp 0.3s ease;
    word-break: break-word;
}

.lovebud-ai-msg.user {
    align-self: flex-end;
    background-color: var(--color-primary);
    color: #FFFFFF;
    border-bottom-right-radius: 4px;
    box-shadow: 0 3px 10px rgba(194, 124, 126, 0.2);
}

.lovebud-ai-msg.assistant {
    align-self: flex-start;
    background-color: rgba(255, 255, 255, 0.85);
    color: var(--color-text-main);
    border: 1px solid rgba(194, 124, 126, 0.08);
    border-bottom-left-radius: 4px;
    box-shadow: 0 2px 8px rgba(62, 52, 47, 0.04);
}

/* Rich structured content inside message */
.lovebud-ai-structured {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.lovebud-ai-structured-title {
    font-weight: 600;
    font-size: 15px;
    border-bottom: 1px dashed rgba(194, 124, 126, 0.2);
    padding-bottom: 6px;
    color: var(--color-text-main);
}

.lovebud-ai-structured-field {
    margin-bottom: 4px;
}

.lovebud-ai-structured-label {
    font-size: 11px;
    font-weight: 600;
    color: var(--color-primary);
    display: block;
    margin-bottom: 2px;
    text-transform: uppercase;
}

.lovebud-ai-tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 6px;
}

.lovebud-ai-tag-chip {
    font-size: 12px;
    background-color: rgba(194, 124, 126, 0.08);
    border: 1px solid rgba(194, 124, 126, 0.2);
    color: var(--color-primary);
    padding: 4px 10px;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.lovebud-ai-tag-chip:hover {
    background-color: var(--color-primary);
    color: #FFFFFF;
}

.lovebud-ai-action-btn {
    margin-top: 10px;
    width: 100%;
    height: 38px;
    border-radius: 10px;
    background-color: var(--color-primary);
    color: #FFFFFF;
    border: none;
    font-weight: 600;
    font-size: 13px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: background-color 0.2s;
}

.lovebud-ai-action-btn:hover {
    background-color: #B56D70;
}

.lovebud-ai-action-btn span.material-symbols-outlined {
    font-size: 16px;
}

/* Loader */
.lovebud-ai-panel-loader {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 24px 0;
    color: var(--color-text-muted);
}

.lovebud-ai-spinner {
    animation: spin 1.2s linear infinite;
    color: var(--color-primary);
    display: flex;
}

.lovebud-ai-spinner span.material-symbols-outlined {
    font-size: 28px;
}

.lovebud-ai-loader-text {
    font-size: 13px;
}

/* Input container */
.lovebud-ai-panel-input-container {
    padding: 16px 20px;
    border-top: 1px solid rgba(194, 124, 126, 0.12);
    background-color: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(10px);
}

.lovebud-ai-panel-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 10px;
    background-color: #FFFFFF;
    border: 1px solid rgba(194, 124, 126, 0.2);
    border-radius: 20px;
    padding: 8px 10px 8px 16px;
    box-shadow: 0 2px 8px rgba(62, 52, 47, 0.03);
    transition: border-color 0.2s;
}

.lovebud-ai-panel-input-wrapper:focus-within {
    border-color: var(--color-primary);
}

.lovebud-ai-panel-input {
    flex: 1;
    border: none;
    background: none;
    font-family: inherit;
    font-size: 14px;
    color: var(--color-text-main);
    resize: none;
    max-height: 80px;
    padding: 4px 0;
    line-height: 1.4;
    outline: none;
}

.lovebud-ai-panel-input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.8;
}

.lovebud-ai-panel-send-btn {
    background-color: var(--color-primary);
    color: #FFFFFF;
    border: none;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: opacity 0.2s, background-color 0.2s;
}

.lovebud-ai-panel-send-btn:disabled {
    background-color: var(--color-secondary);
    opacity: 0.5;
    cursor: not-allowed;
}

.lovebud-ai-panel-send-btn span.material-symbols-outlined {
    font-size: 16px;
}

.lovebud-ai-panel-footer-note {
    font-size: 10px;
    line-height: 1.4;
    color: var(--color-text-muted);
    margin-top: 8px;
    text-align: center;
}

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

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

@keyframes slideUp {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Simple Glass Toast overlay if needed */
.lovebud-ai-toast {
    position: fixed;
    top: 24px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background-color: rgba(253, 251, 247, 0.9);
    border: 1px solid var(--color-primary);
    box-shadow: 0 4px 16px rgba(194, 124, 126, 0.15);
    backdrop-filter: blur(10px);
    color: var(--color-text-main);
    padding: 12px 24px;
    border-radius: 12px;
    z-index: 3000;
    font-size: 14px;
    font-weight: 500;
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    pointer-events: none;
}

.lovebud-ai-toast.show {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}