/* 
   Data Biz: Visual Design System
   Vibe: Senior, Operator-led, Editorial, Blunt
   Dual Theme support: Warm Neutral Light Mode (Executive Editorial) & Modern Data Command Dark Mode
*/

:root {
    /* Light Mode Palette (Executive Editorial) */
    --bg-color: #faf9f8;
    --text-color: #1a1c1c;
    --accent-color: #004c4c;
    --border-color: #bec9c8;
    
    --secondary: #645d54;
    --on-secondary-container: #696258;
    --background: #faf9f8;
    --surface-bright: #faf9f8;
    --outline: #6f7979;
    --surface-container-highest: #e3e2e1;
    --primary: #004c4c;
    --surface-container-high: #e9e8e7;
    --surface-dim: #dadad9;
    --surface: #faf9f8;
    --outline-variant: #bec9c8;
    --surface-container: #eeeeed;
    --inverse-surface: #2f3130;
    --on-background: #1a1c1c;
    --primary-container: #006666;
    --on-surface-variant: #3f4948;
    --on-surface: #1a1c1c;
    --surface-variant: #e3e2e1;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f4f3f2;
    --on-primary: #ffffff;

    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-bg-hover: rgba(255, 255, 255, 0.95);
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    
    --transition-subtle: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark {
    /* Dark Mode Palette (Modern Data Command) */
    --bg-color: #0d1515;
    --text-color: #dce4e4;
    --accent-color: #4fdbc8;
    --border-color: #2d3a3a;

    --secondary: #44e2cd;
    --on-secondary-container: #004d44;
    --background: #0d1515;
    --surface-bright: #323b3b;
    --outline: #859490;
    --surface-container-highest: #2e3636;
    --primary: #4fdbc8;
    --surface-container-high: #232b2b;
    --surface-dim: #0d1515;
    --surface: #0d1515;
    --outline-variant: #3c4947;
    --surface-container: #192121;
    --inverse-surface: #dce4e4;
    --on-background: #dce4e4;
    --primary-container: #14b8a6;
    --on-surface-variant: #bbcac6;
    --on-surface: #dce4e4;
    --surface-variant: #2e3636;
    --surface-container-lowest: #081010;
    --surface-container-low: #151d1d;
    --on-primary: #003731;

    --glass-bg: rgba(30, 41, 41, 0.4);
    --glass-bg-hover: rgba(30, 41, 41, 0.6);
}

body {
    background-color: var(--background);
    color: var(--on-background);
    font-family: var(--font-body);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.glass-card:hover {
    border-color: var(--primary);
    background: var(--glass-bg-hover);
    transform: translateY(-2px);
}

.data-gradient {
    background: linear-gradient(135deg, var(--background) 0%, var(--surface-container-low) 100%);
}

.glow-teal {
    box-shadow: 0 0 20px rgba(79, 220, 200, 0.1);
}

.dark .glow-teal {
    box-shadow: 0 0 20px rgba(79, 220, 200, 0.15);
}

/* Custom scrollbar to match technical vibe */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--surface-container-low);
}
::-webkit-scrollbar-thumb {
    background: var(--outline-variant);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--outline);
}

/* Scroll Reveal Animation */
[data-vibe-reveal] {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
[data-vibe-reveal].visible {
    opacity: 1;
    transform: translateY(0);
}

/* AI Assistant Widget CSS */
.ai-assistant-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 1000;
    font-family: var(--font-body);
}

.ai-assistant-trigger {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.ai-assistant-trigger:hover {
    transform: scale(1.05) rotate(5deg);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
}

.ai-assistant-trigger:active {
    transform: scale(0.95);
}

.ai-assistant-trigger::after {
    content: '';
    position: absolute;
    inset: -4px;
    border: 2px solid var(--primary);
    border-radius: 50%;
    opacity: 0;
    transform: scale(0.9);
    transition: all 0.5s ease;
}

.ai-assistant-trigger.pulse::after {
    animation: trigger-pulse 2s infinite;
}

@keyframes trigger-pulse {
    0% {
        transform: scale(0.9);
        opacity: 0.8;
    }
    100% {
        transform: scale(1.2);
        opacity: 0;
    }
}

.ai-chat-window {
    position: absolute;
    bottom: 72px;
    right: 0;
    width: 380px;
    height: 500px;
    max-height: calc(100vh - 120px);
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    opacity: 0;
    transform: translateY(20px) scale(0.95);
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
}

.ai-chat-window.open {
    opacity: 1;
    transform: translateY(0) scale(1);
    pointer-events: all;
}

.ai-chat-header {
    padding: 16px;
    background: var(--surface-container);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ai-chat-header-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-family: var(--font-heading);
    font-weight: 600;
}

.ai-chat-header-actions {
    display: flex;
    gap: 8px;
}

.ai-chat-btn {
    background: none;
    border: none;
    color: var(--on-surface-variant);
    cursor: pointer;
    padding: 4px;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.ai-chat-btn:hover {
    color: var(--primary);
    background: var(--surface-container-highest);
}

.ai-chat-messages {
    flex: 1;
    padding: 16px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.ai-chat-message {
    max-width: 85%;
    padding: 10px 14px;
    border-radius: 8px;
    font-size: 14px;
    line-height: 1.5;
    word-break: break-word;
}

.ai-chat-message.user {
    align-self: flex-end;
    background: var(--primary);
    color: var(--on-primary);
    border-bottom-right-radius: 2px;
}

.ai-chat-message.assistant {
    align-self: flex-start;
    background: var(--surface-container);
    color: var(--on-surface);
    border-bottom-left-radius: 2px;
    border: 1px solid var(--border-color);
}

.ai-chat-message p {
    margin-bottom: 8px;
}
.ai-chat-message p:last-child {
    margin-bottom: 0;
}
.ai-chat-message code {
    font-family: 'JetBrains Mono', monospace;
    font-size: 12px;
    background: rgba(0, 0, 0, 0.1);
    padding: 2px 4px;
    border-radius: 4px;
}
.dark .ai-chat-message code {
    background: rgba(255, 255, 255, 0.1);
}

.ai-chat-typing {
    display: flex;
    gap: 4px;
    padding: 8px 12px;
    align-items: center;
}

.ai-chat-typing span {
    width: 6px;
    height: 6px;
    background: var(--on-surface-variant);
    border-radius: 50%;
    animation: typing-bounce 1.4s infinite ease-in-out both;
}

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

@keyframes typing-bounce {
    0%, 80%, 100% { transform: scale(0); }
    40% { transform: scale(1.0); }
}

.ai-chat-input-area {
    padding: 12px 16px;
    border-top: 1px solid var(--border-color);
    background: var(--surface-container-low);
    display: flex;
    gap: 8px;
}

.ai-chat-input {
    flex: 1;
    background: var(--surface-container-lowest);
    border: 1px solid var(--border-color);
    color: var(--on-surface);
    border-radius: 8px;
    padding: 8px 12px;
    font-size: 14px;
    outline: none;
    transition: border-color 0.2s;
}

.ai-chat-input:focus {
    border-color: var(--primary);
}

.ai-chat-send {
    background: var(--primary);
    color: var(--on-primary);
    border: none;
    border-radius: 8px;
    padding: 8px 16px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.ai-chat-send:hover {
    filter: brightness(1.1);
}

.ai-chat-send:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Suggestion Chips */
.ai-chat-suggestions {
    display: flex;
    gap: 6px;
    padding: 8px 16px;
    overflow-x: auto;
    background: var(--surface-container-low);
    border-top: 1px solid var(--border-color);
    scrollbar-width: none;
}
.ai-chat-suggestions::-webkit-scrollbar {
    display: none;
}

.ai-chip {
    background: var(--surface-container-highest);
    color: var(--on-surface-variant);
    border: 1px solid var(--border-color);
    padding: 6px 12px;
    border-radius: 16px;
    font-size: 12px;
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
}

.ai-chip:hover {
    background: var(--primary);
    color: var(--on-primary);
    border-color: var(--primary);
}

/* Mobile responsive drawer */
@media (max-width: 480px) {
    .ai-assistant-container {
        bottom: 16px;
        right: 16px;
    }
    .ai-chat-window {
        width: calc(100vw - 32px);
        height: 450px;
    }
    .ai-chat-teaser {
        display: none; /* Hide on mobile to avoid blocking content */
    }
}

/* Chatbox teaser styles */
.ai-chat-teaser {
    position: absolute;
    bottom: 8px;
    right: 72px;
    width: 220px;
    background: var(--surface-container-low);
    color: var(--on-surface);
    border: 1px solid var(--border-color);
    padding: 10px 14px;
    border-radius: 12px;
    border-bottom-right-radius: 2px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    font-size: 13px;
    line-height: 1.4;
    cursor: pointer;
    transition: all 0.3s ease;
    animation: teaser-bounce 3s infinite ease-in-out;
    white-space: normal;
}

.ai-chat-teaser:hover {
    background: var(--surface-container-highest);
    border-color: var(--primary);
}

.ai-chat-teaser::after {
    content: '';
    position: absolute;
    bottom: 8px;
    right: -6px;
    width: 10px;
    height: 10px;
    background: var(--surface-container-low);
    border-right: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    transform: rotate(-45deg);
}

.ai-chat-teaser:hover::after {
    background: var(--surface-container-highest);
    border-color: var(--primary);
}

.ai-chat-teaser-blink {
    display: inline-block;
    width: 8px;
    height: 8px;
    background: var(--primary);
    border-radius: 50%;
    margin-right: 4px;
    animation: teaser-blink-anim 1s infinite alternate;
}

@keyframes teaser-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-4px); }
}

@keyframes teaser-blink-anim {
    0% { opacity: 0.3; }
    100% { opacity: 1; box-shadow: 0 0 8px var(--primary); }
}