/* ==========================================================================
   TimeFlow Pro - AI Chat Assistant Stylesheet
   Premium visual design system for chatbot drawer and widget
   ========================================================================= */

/* ─────────────────────────────────────────────────────────────────────────
   AI Chat Floating Toggle Button
   ───────────────────────────────────────────────────────────────────────── */
.ai-chat-toggle {
    position: fixed;
    bottom: var(--space-6);
    right: var(--space-6);
    width: 60px;
    height: 60px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--color-primary-600), var(--color-primary-800));
    color: var(--color-text-inverse);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 8px 30px rgba(45, 107, 79, 0.4);
    cursor: pointer;
    z-index: var(--z-fixed);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    border: 2px solid rgba(255, 255, 255, 0.1);
}

.ai-chat-toggle:hover {
    transform: scale(1.08) translateY(-2px);
    box-shadow: 0 12px 35px rgba(45, 107, 79, 0.5);
}

.ai-chat-toggle:active {
    transform: scale(0.96);
}

/* Pulsing active status ring */
.ai-chat-toggle::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: var(--radius-full);
    border: 2px solid var(--color-primary-400);
    opacity: 0;
    animation: ai-pulse 2s infinite;
}

@keyframes ai-pulse {
    0% {
        transform: scale(0.95);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.15);
        opacity: 0;
    }
}

/* ─────────────────────────────────────────────────────────────────────────
   AI Chat Drawer / Side Panel
   ───────────────────────────────────────────────────────────────────────── */
.ai-chat-panel {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 420px;
    max-width: 100vw;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-left: 1px solid rgba(229, 231, 235, 0.5);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.08);
    display: flex;
    flex-direction: column;
    z-index: var(--z-popover);
    transform: translateX(100%);
    transition: transform var(--transition-slow) cubic-bezier(0.16, 1, 0.3, 1);
}

.ai-chat-panel.open {
    transform: translateX(0);
}

/* Dark mode overrides (future compatibility) */
:root.auto-dark .ai-chat-panel {
    background: rgba(26, 31, 38, 0.85);
    border-left: 1px solid rgba(45, 54, 64, 0.5);
    box-shadow: -10px 0 40px rgba(0, 0, 0, 0.3);
}

/* ─────────────────────────────────────────────────────────────────────────
   Header
   ───────────────────────────────────────────────────────────────────────── */
.ai-chat-header {
    padding: var(--space-4) var(--space-5);
    background: linear-gradient(135deg, var(--color-primary-900), var(--color-primary-800));
    color: var(--color-text-inverse);
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.ai-chat-identity {
    display: flex;
    align-items: center;
    gap: var(--space-3);
}

.ai-chat-avatar {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ai-chat-title-info {
    display: flex;
    flex-direction: column;
}

.ai-chat-name {
    font-weight: var(--font-weight-semibold);
    font-size: var(--font-size-base);
}

.ai-chat-status {
    font-size: var(--font-size-xs);
    color: var(--color-primary-300);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

.ai-chat-status::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: var(--radius-full);
    background-color: var(--color-success);
}

.ai-chat-close-btn {
    background: none;
    border: none;
    color: rgba(255, 255, 255, 0.7);
    font-size: 24px;
    cursor: pointer;
    padding: var(--space-1);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color var(--transition-fast), background-color var(--transition-fast);
}

.ai-chat-close-btn:hover {
    color: var(--color-text-inverse);
    background-color: rgba(255, 255, 255, 0.1);
}

/* ─────────────────────────────────────────────────────────────────────────
   Message Area
   ───────────────────────────────────────────────────────────────────────── */
.ai-chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-5);
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    scroll-behavior: smooth;
}

/* Message Bubbles */
.ai-msg {
    display: flex;
    flex-direction: column;
    max-width: 85%;
    animation: fade-in-up 0.3s ease;
}

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

.ai-msg-user {
    align-self: flex-end;
}

.ai-msg-assistant {
    align-self: flex-start;
}

.ai-msg-bubble {
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    line-height: var(--line-height-normal);
    word-break: break-word;
}

.ai-msg-user .ai-msg-bubble {
    background-color: var(--color-primary-600);
    color: var(--color-text-inverse);
    border-bottom-right-radius: var(--radius-sm);
}

.ai-msg-assistant .ai-msg-bubble {
    background-color: var(--color-surface);
    color: var(--color-text-primary);
    border: 1px solid var(--color-border);
    border-bottom-left-radius: var(--radius-sm);
    box-shadow: var(--shadow-xs);
}

:root.auto-dark .ai-msg-assistant .ai-msg-bubble {
    background-color: var(--color-surface-elevated);
    border-color: var(--color-border);
}

.ai-msg-time {
    font-size: var(--font-size-xs);
    color: var(--color-text-tertiary);
    margin-top: 4px;
    padding: 0 4px;
}

.ai-msg-user .ai-msg-time {
    align-self: flex-end;
}

.ai-msg-assistant .ai-msg-time {
    align-self: flex-start;
}

/* ─────────────────────────────────────────────────────────────────────────
   Markdown & Tables Inside Chat Bubbles
   ───────────────────────────────────────────────────────────────────────── */
.ai-msg-bubble p {
    margin: 0 0 var(--space-2) 0;
}

.ai-msg-bubble p:last-child {
    margin-bottom: 0;
}

/* Table styles */
.ai-msg-bubble table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-3) 0;
    font-size: 11px;
    background-color: var(--color-background);
    border-radius: var(--radius-sm);
    overflow: hidden;
    border: 1px solid var(--color-border);
}

:root.auto-dark .ai-msg-bubble table {
    background-color: var(--color-neutral-900);
}

.ai-msg-bubble th,
.ai-msg-bubble td {
    padding: 6px 8px;
    text-align: left;
    border-bottom: 1px solid var(--color-border);
}

.ai-msg-bubble th {
    background-color: rgba(45, 107, 79, 0.1);
    color: var(--color-primary-800);
    font-weight: var(--font-weight-semibold);
}

:root.auto-dark .ai-msg-bubble th {
    color: var(--color-primary-300);
}

.ai-msg-bubble tr:last-child td {
    border-bottom: none;
}

/* Lists */
.ai-msg-bubble ul,
.ai-msg-bubble ol {
    margin: var(--space-2) 0;
    padding-left: var(--space-5);
}

.ai-msg-bubble li {
    margin-bottom: var(--space-1);
}

/* ─────────────────────────────────────────────────────────────────────────
   Suggestions Area
   ───────────────────────────────────────────────────────────────────────── */
.ai-chat-suggestions {
    padding: var(--space-3) var(--space-5);
    background-color: var(--color-border-light);
    border-top: 1px solid var(--color-border);
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

:root.auto-dark .ai-chat-suggestions {
    background-color: rgba(229, 231, 235, 0.03);
}

.ai-suggest-btn {
    background-color: var(--color-surface);
    color: var(--color-primary-700);
    border: 1px solid var(--color-border);
    padding: 6px 12px;
    border-radius: var(--radius-full);
    font-size: 12px;
    cursor: pointer;
    font-family: var(--font-family);
    transition: background-color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.ai-suggest-btn:hover {
    background-color: var(--color-primary-100);
    border-color: var(--color-primary-300);
    transform: translateY(-1px);
}

:root.auto-dark .ai-suggest-btn {
    background-color: var(--color-surface);
    color: var(--color-primary-300);
}

/* ─────────────────────────────────────────────────────────────────────────
   Input Form
   ───────────────────────────────────────────────────────────────────────── */
.ai-chat-input-area {
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--color-border);
    background-color: var(--color-surface);
}

:root.auto-dark .ai-chat-input-area {
    background-color: var(--color-surface);
}

.ai-chat-form {
    display: flex;
    gap: var(--space-2);
}

.ai-chat-input {
    flex: 1;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-3) var(--space-4);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    background-color: var(--color-background);
    color: var(--color-text-primary);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    outline: none;
}

:root.auto-dark .ai-chat-input {
    background-color: var(--color-neutral-900);
}

.ai-chat-input:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 2px rgba(76, 175, 80, 0.2);
}

.ai-chat-send-btn {
    background: var(--color-primary-600);
    color: var(--color-text-inverse);
    border: none;
    border-radius: var(--radius-lg);
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
}

.ai-chat-send-btn:hover {
    background: var(--color-primary-700);
}

.ai-chat-send-btn:active {
    transform: scale(0.95);
}

/* ─────────────────────────────────────────────────────────────────────────
   Three-dot Thinking / Typing Indicator
   ───────────────────────────────────────────────────────────────────────── */
.ai-typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 4px;
}

.ai-typing-dot {
    width: 6px;
    height: 6px;
    background-color: var(--color-text-secondary);
    border-radius: var(--radius-full);
    opacity: 0.6;
    animation: ai-bounce 1.4s infinite ease-in-out both;
}

.ai-typing-dot:nth-child(1) { animation-delay: -0.32s; }
.ai-typing-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes ai-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1); }
}