* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
}

body {
    background: #111;
    color: #e5e5e5;
    height: 100vh;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* Header */
.header {
    display: flex;
    align-items: center;
    padding: 0 24px;
    height: 56px;
    background: #1a1a1a;
    border-bottom: 1px solid #2a2a2a;
    flex-shrink: 0;
}

.logo {
    font-size: 18px;
    font-weight: 700;
    color: #fff;
    letter-spacing: -0.5px;
}

.logo span {
    color: #0ea5e9;
}

.tagline {
    font-size: 13px;
    color: #666;
    margin-left: 16px;
    padding-left: 16px;
    border-left: 1px solid #2a2a2a;
}

.stats {
    margin-left: auto;
    font-size: 13px;
    color: #aaa;
    display: flex;
    align-items: center;
    gap: 7px;
}

.stats-dot {
    width: 7px;
    height: 7px;
    background: #22c55e;
    border-radius: 50%;
}

/* Main Layout */
.main-container {
    display: flex;
    flex: 1;
    overflow: hidden;
    padding: 20px;
    gap: 20px;
}

/* Left Video Section */
.video-section {
    width: 420px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.video-box {
    flex: 0 0 62%;
    background: #000;
    border-radius: 10px;
    overflow: hidden;
    position: relative;
    border: 1px solid #2a2a2a;
}

/* Curate Sage Prompt Panel */
.prompt-panel {
    flex: 1;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.prompt-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 14px;
    border-bottom: 1px solid #2a2a2a;
    flex-shrink: 0;
}

.prompt-title {
    font-size: 12px;
    font-weight: 600;
    color: #aaa;
    letter-spacing: 0.3px;
}

.prompt-actions {
    display: flex;
    gap: 6px;
}

.prompt-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    border: 1px solid #333;
    transition: all 0.15s;
}

.random-btn {
    background: #222;
    color: #aaa;
}
.random-btn:hover {
    background: #2a2a2a;
    color: #fff;
}

.apply-btn {
    background: #0ea5e9;
    color: #fff;
    border-color: #0ea5e9;
}
.apply-btn:hover {
    background: #0284c7;
}

.prompt-textarea {
    flex: 1;
    background: transparent;
    border: none;
    resize: none;
    padding: 12px 14px;
    font-size: 12.5px;
    color: #ccc;
    outline: none;
    line-height: 1.6;
    font-family: 'Inter', sans-serif;
}
.prompt-textarea::placeholder {
    color: #3a3a3a;
}

.prompt-hint {
    font-size: 10.5px;
    color: #3a3a3a;
    padding: 6px 14px;
    border-top: 1px solid #222;
    flex-shrink: 0;
}

.video-element {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    background: #1a1a1a;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 12px;
}

.avatar-placeholder img {
    width: 96px;
    height: 96px;
    border-radius: 50%;
    filter: grayscale(30%);
    border: 2px solid #2a2a2a;
}

.avatar-icon {
    width: 90px;
    height: 90px;
    background: #2a2a2a;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #444;
}

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

.avatar-text {
    color: #555;
    font-size: 13px;
}

.video-controls {
    position: absolute;
    bottom: 12px;
    left: 12px;
    right: 12px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.label-badge {
    background: rgba(0, 0, 0, 0.65);
    padding: 4px 10px;
    border-radius: 6px;
    font-size: 12px;
    font-weight: 600;
    color: #ccc;
}

.toggle-btn {
    background: rgba(0, 0, 0, 0.6);
    color: #ccc;
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 5px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 5px;
    transition: background 0.15s;
}

.toggle-btn:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
}

/* Right Chat Section */
.chat-section {
    flex: 1;
    display: flex;
    flex-direction: column;
    background: #1a1a1a;
    border: 1px solid #2a2a2a;
    border-radius: 10px;
    overflow: hidden;
    min-width: 0;
}

.chat-log {
    flex: 1;
    padding: 20px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.chat-log::-webkit-scrollbar { width: 5px; }
.chat-log::-webkit-scrollbar-track { background: transparent; }
.chat-log::-webkit-scrollbar-thumb { background: #333; border-radius: 10px; }

.status-msg {
    text-align: center;
    color: #555;
    font-size: 12px;
    margin: 6px 0;
    padding: 0 10px;
}

/* Message Row Layout */
.message-row {
    display: flex;
    flex-direction: column;
    margin-bottom: 14px;
    width: 100%;
    animation: slideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.message-row-you {
    align-items: flex-end;
}

.message-row-stranger {
    align-items: flex-start;
}

/* Chat Bubbles */
.msg {
    max-width: 68%;
    padding: 12px 18px;
    font-size: 14.5px;
    line-height: 1.55;
    word-break: break-word;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.12);
}

.msg-you {
    background: #18181b;
    color: #f4f4f5;
    border: 1px solid #27272a;
    border-radius: 16px 16px 4px 16px;
}

.msg-stranger {
    background: linear-gradient(135deg, #f472b6 0%, #ec4899 100%);
    color: #ffffff;
    border-radius: 16px 16px 16px 4px;
    box-shadow: 0 4px 14px rgba(236, 72, 153, 0.2);
}

.msg-label {
    font-size: 11px;
    margin-bottom: 4px;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.msg-label-stranger {
    color: #f472b6;
    padding-left: 6px;
}

.msg-label-you {
    color: #71717a;
    padding-right: 6px;
}

.prefix { display: none; }

/* Typing Dots Loader inside bubble */
.typing-dots {
    display: flex;
    align-items: center;
    gap: 5px;
    height: 20px;
    padding: 2px 4px;
}

.typing-dots span {
    width: 7px;
    height: 7px;
    background: #ffffff;
    border-radius: 50%;
    display: inline-block;
    animation: typing 1.4s infinite ease-in-out both;
}

.typing-dots span:nth-child(1) {
    animation-delay: -0.32s;
}

.typing-dots span:nth-child(2) {
    animation-delay: -0.16s;
}

@keyframes typing {
    0%, 80%, 100% {
        transform: scale(0.6);
        opacity: 0.5;
    }
    40% {
        transform: scale(1.15);
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(12px) scale(0.97);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

/* Chat Controls */
.chat-controls {
    display: flex;
    align-items: stretch;
    padding: 16px;
    border-top: 1px solid #2a2a2a;
    gap: 10px;
    background: #1a1a1a;
}

.control-btn {
    width: 72px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    transition: opacity 0.15s, background 0.15s;
    flex-shrink: 0;
}

.new-btn {
    background: #272727;
    color: #f87171;
    border: 1px solid #333;
}
.new-btn:hover { background: #333; }

.send-btn {
    background: #0ea5e9;
    color: #fff;
}
.send-btn:hover:not(:disabled) { background: #0284c7; }
.send-btn:disabled {
    background: #1f2937;
    color: #4b5563;
    cursor: not-allowed;
}

.sub-text {
    font-size: 10px;
    opacity: 0.55;
    margin-top: 3px;
    font-weight: 400;
}

.input-container {
    flex: 1;
}

#chat-input {
    width: 100%;
    height: 100%;
    min-height: 48px;
    background: #111;
    border: 1px solid #2a2a2a;
    border-radius: 8px;
    resize: none;
    padding: 13px 16px;
    font-size: 14px;
    color: #e5e5e5;
    outline: none;
    transition: border-color 0.15s;
    line-height: 1.4;
}

#chat-input:focus {
    border-color: #0ea5e9;
}

#chat-input::placeholder {
    color: #444;
}

/* Prompt Toggle Arrow */
.toggle-arrow {
    display: inline-block;
    transition: transform 0.2s ease;
    margin-left: 6px;
    font-size: 10px;
    color: #666;
    vertical-align: middle;
}

/* ── Mobile Responsive Design (max-width: 768px) ─────────────────────────── */
@media (max-width: 768px) {
    body {
        height: 100dvh;
    }

    .header {
        padding: 0 12px;
        height: 48px;
    }

    .logo {
        font-size: 16px;
    }

    .tagline {
        font-size: 11px;
        margin-left: 10px;
        padding-left: 10px;
    }

    .stats {
        font-size: 11px;
    }

    .main-container {
        flex-direction: column;
        padding: 10px;
        gap: 10px;
        overflow: hidden;
    }

    .video-section {
        width: 100%;
        flex-shrink: 0;
        gap: 8px;
    }

    .video-box {
        height: 180px;
        flex: none;
    }

    /* Collapsible Prompt Panel on Mobile */
    .prompt-panel {
        flex: none;
        width: 100%;
    }

    .prompt-panel .prompt-textarea,
    .prompt-panel .prompt-hint {
        display: none;
    }

    .prompt-panel.expanded .prompt-textarea,
    .prompt-panel.expanded .prompt-hint {
        display: block;
    }

    .prompt-panel.expanded .prompt-textarea {
        height: 120px;
    }

    .prompt-panel .toggle-arrow {
        transform: rotate(-90deg);
    }

    .prompt-panel.expanded .toggle-arrow {
        transform: rotate(0deg);
    }

    .prompt-header {
        cursor: pointer;
    }

    /* Chat Section */
    .chat-section {
        flex: 1;
        min-height: 0;
    }

    .chat-log {
        padding: 12px;
    }

    .msg {
        max-width: 85%;
        padding: 10px 14px;
        font-size: 13.5px;
    }

    /* Chat Controls */
    .chat-controls {
        padding: 10px;
        gap: 8px;
    }

    .control-btn {
        width: 60px;
        font-size: 12px;
        border-radius: 6px;
    }

    .sub-text {
        display: none;
    }

    #chat-input {
        padding: 10px 12px;
        font-size: 13px;
        min-height: 40px;
    }
}
