/* ═══════════════════════════════════════════════════════
   KUPAL CHAT v2.0 — Main Styles
   Mobile-first, Filipino-inspired, Bold & Playful
═══════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Mono:wght@400;700&display=swap');

/* ── CSS Variables ─────────────────────────────────── */
:root {
    --k-bg:             #f5f0eb;
    --k-surface:        #ffffff;
    --k-surface2:       #faf6f1;
    --k-border:         rgba(0,0,0,0.08);
    --k-text:           #1a1a2e;
    --k-text-muted:     #7a7a8c;
    --k-text-faint:     #b0b0be;

    --k-primary:        #e8401c;
    --k-primary-dark:   #c73015;
    --k-primary-glow:   rgba(232,64,28,0.18);

    --k-ai-bg:          #ffffff;
    --k-ai-border:      rgba(232,64,28,0.15);
    --k-user-bg:        #1a1a2e;
    --k-user-text:      #ffffff;

    --k-accent:         #f5a623;
    --k-accent2:        #16c784;
    --k-danger:         #e8401c;

    --k-header-bg:      rgba(245,240,235,0.92);
    --k-shadow:         0 4px 24px rgba(0,0,0,0.06);
    --k-shadow-strong:  0 8px 40px rgba(0,0,0,0.12);

    --k-radius:         18px;
    --k-radius-sm:      10px;
    --k-radius-xs:      6px;

    --k-font:           'Plus Jakarta Sans', sans-serif;
    --k-mono:           'Space Mono', monospace;

    --k-app-max:        600px;
    --k-header-h:       62px;
    --k-input-h:        70px;
}

/* Dark mode */
.kupal-dark, [data-kupal-theme="dark"] {
    --k-bg:             #0f0f17;
    --k-surface:        #1a1a2e;
    --k-surface2:       #22223a;
    --k-border:         rgba(255,255,255,0.07);
    --k-text:           #f0eee8;
    --k-text-muted:     #8585a0;
    --k-text-faint:     #50506a;

    --k-ai-bg:          #1e1e34;
    --k-ai-border:      rgba(232,64,28,0.2);
    --k-user-bg:        #e8401c;
    --k-user-text:      #ffffff;

    --k-header-bg:      rgba(15,15,23,0.95);
    --k-shadow:         0 4px 24px rgba(0,0,0,0.35);
    --k-shadow-strong:  0 8px 40px rgba(0,0,0,0.5);
}

/* ── WP Override ───────────────────────────────────── */
body:has(.kupal-app),
html:has(.kupal-app) { overflow-x: hidden; }
.kupal-page-active    { overflow-x: hidden; }

/* ── Reset / Base ──────────────────────────────────── */
.kupal-app *, .kupal-app *::before, .kupal-app *::after {
    box-sizing: border-box; margin: 0; padding: 0;
}

.kupal-app {
    font-family: var(--k-font);
    background: var(--k-bg);
    color: var(--k-text);
    height: var(--k-app-height, 600px);
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: var(--k-app-max);
    margin: 0 auto;
    position: relative;
    overflow: hidden;
    transition: background 0.3s, color 0.3s;
    isolation: isolate;
}

.kupal-app::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 80%, var(--k-primary-glow) 0%, transparent 50%),
        radial-gradient(circle at 80% 10%, rgba(245,166,35,0.08) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

/* ── Header ────────────────────────────────────────── */
.kupal-header {
    position: relative;
    z-index: 100;
    height: var(--k-header-h);
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 10px;
    background: var(--k-header-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-bottom: 1px solid var(--k-border);
    transition: background 0.3s;
}

.kupal-header-left,
.kupal-header-right {
    display: flex;
    align-items: center;
    gap: 2px;
    min-width: 36px;
}
.kupal-header-right { justify-content: flex-end; }

.kupal-header-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.kupal-avatar {
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, var(--k-primary) 0%, #f5a623 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
    box-shadow: 0 2px 8px var(--k-primary-glow);
}

.kupal-name {
    display: block;
    font-weight: 800;
    font-size: 15px;
    letter-spacing: -0.3px;
    line-height: 1.1;
}

.kupal-status {
    display: block;
    font-size: 11px;
    color: var(--k-text-muted);
}

/* ── Icon Buttons ──────────────────────────────────── */
.kupal-icon-btn,
.kupal-back-btn {
    width: 34px;
    height: 34px;
    border: none;
    background: transparent;
    color: var(--k-text);
    border-radius: var(--k-radius-xs);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.15s, transform 0.1s;
    text-decoration: none;
    flex-shrink: 0;
}

.kupal-icon-btn svg,
.kupal-back-btn svg { width: 18px; height: 18px; }

.kupal-icon-btn:hover,
.kupal-back-btn:hover { background: var(--k-border); transform: scale(1.05); }

.kupal-icon-btn:active,
.kupal-back-btn:active { transform: scale(0.95); }

/* Active state for toggles (sound) */
.kupal-icon-btn.kupal-btn-active {
    background: var(--k-primary-glow);
    color: var(--k-primary);
}

/* ── Shared view banner ────────────────────────────── */
.kupal-shared-banner {
    background: linear-gradient(90deg, var(--k-primary-glow), transparent);
    border-bottom: 1px solid var(--k-ai-border);
    padding: 8px 16px;
    font-size: 12px;
    color: var(--k-text-muted);
    text-align: center;
    z-index: 10;
    flex-shrink: 0;
}
.kupal-shared-banner a {
    color: var(--k-primary);
    text-decoration: none;
    font-weight: 600;
}

/* ── Messages Area ─────────────────────────────────── */
.kupal-messages {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 16px 14px 20px 16px;
    scroll-behavior: smooth;
    overscroll-behavior-y: contain;
    position: relative;
    z-index: 1;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    min-height: 0;
}

.kupal-messages::-webkit-scrollbar { width: 4px; }
.kupal-messages::-webkit-scrollbar-track { background: transparent; }
.kupal-messages::-webkit-scrollbar-thumb { background: var(--k-border); border-radius: 2px; }

/* ── Welcome Screen ────────────────────────────────── */
.kupal-welcome {
    text-align: center;
    padding: 32px 16px;
    animation: kupal-fade-up 0.5s ease both;
}

.kupal-welcome-emoji {
    font-size: 56px;
    line-height: 1;
    margin-bottom: 16px;
    animation: kupal-bounce 2s ease-in-out infinite;
}

@keyframes kupal-bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}

.kupal-welcome h2 {
    font-size: 28px;
    font-weight: 800;
    letter-spacing: -0.5px;
    margin-bottom: 8px;
    background: linear-gradient(135deg, var(--k-primary) 0%, var(--k-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.kupal-welcome p {
    font-size: 15px;
    color: var(--k-text-muted);
    line-height: 1.6;
    margin-bottom: 6px;
}

.kupal-welcome-sub {
    font-size: 13px !important;
    margin-bottom: 24px !important;
}

.kupal-suggestions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
    max-width: 360px;
    margin: 0 auto;
}

.kupal-suggestion {
    background: var(--k-surface);
    border: 1.5px solid var(--k-border);
    color: var(--k-text);
    font-family: var(--k-font);
    font-size: 12px;
    font-weight: 600;
    padding: 10px 12px;
    border-radius: var(--k-radius-sm);
    cursor: pointer;
    text-align: left;
    transition: all 0.2s;
    line-height: 1.4;
}

.kupal-suggestion:hover {
    border-color: var(--k-primary);
    color: var(--k-primary);
    background: var(--k-primary-glow);
    transform: translateY(-1px);
}

/* ── Message Wraps ─────────────────────────────────── */
.kupal-message-wrap {
    display: flex;
    flex-direction: column;
    margin-bottom: 14px;
    animation: kupal-fade-up 0.3s ease both;
}

.kupal-message-wrap.kupal-user-wrap { align-items: flex-end; }
.kupal-message-wrap.kupal-ai-wrap   { align-items: flex-start; }

/* ── Chat Bubbles ──────────────────────────────────── */
.kupal-bubble {
    max-width: min(82%, 420px);
    padding: 12px 16px;
    border-radius: var(--k-radius);
    font-size: 14.5px;
    line-height: 1.65;
    word-break: break-word;
    position: relative;
}

.kupal-bubble-user {
    background: var(--k-user-bg);
    color: var(--k-user-text);
    border-radius: var(--k-radius) var(--k-radius-xs) var(--k-radius) var(--k-radius);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
}

.kupal-bubble-ai {
    background: var(--k-ai-bg);
    color: var(--k-text);
    border: 1.5px solid var(--k-ai-border);
    border-radius: var(--k-radius-xs) var(--k-radius) var(--k-radius) var(--k-radius);
    box-shadow: var(--k-shadow);
    margin-left: 32px;
}

.kupal-bubble-ai::before {
    content: '🤙';
    position: absolute;
    left: -30px;
    bottom: 6px;
    font-size: 18px;
    line-height: 1;
}

/* Streaming cursor animation */
.kupal-stream-cursor {
    display: inline-block;
    width: 2px;
    height: 1em;
    background: var(--k-primary);
    margin-left: 2px;
    vertical-align: text-bottom;
    animation: kupal-blink 0.7s step-end infinite;
}

@keyframes kupal-blink {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0; }
}

.kupal-msg-time {
    font-size: 10px;
    color: var(--k-text-faint);
    margin-top: 3px;
    padding: 0 4px;
    font-family: var(--k-mono);
}

/* ── Message Actions (copy + reactions) ────────────── */
.kupal-msg-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    margin-top: 5px;
    margin-left: 32px;
    opacity: 0;
    transition: opacity 0.2s;
    pointer-events: none;
}

.kupal-ai-wrap:hover .kupal-msg-actions,
.kupal-ai-wrap:focus-within .kupal-msg-actions {
    opacity: 1;
    pointer-events: auto;
}

.kupal-action-btn {
    width: 28px;
    height: 28px;
    border: 1px solid var(--k-border);
    background: var(--k-surface);
    color: var(--k-text-muted);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    transition: all 0.15s;
    flex-shrink: 0;
}

.kupal-action-btn svg { width: 13px; height: 13px; }

.kupal-action-btn:hover {
    background: var(--k-surface2);
    border-color: var(--k-primary);
    color: var(--k-primary);
    transform: scale(1.1);
}

.kupal-reaction-btn.kupal-reaction-active {
    background: var(--k-primary-glow);
    border-color: var(--k-primary);
    color: var(--k-primary);
}

.kupal-action-btn.kupal-copied {
    background: rgba(22,199,132,0.15);
    border-color: var(--k-accent2);
    color: var(--k-accent2);
}

/* ── Typing Indicator ──────────────────────────────── */
.kupal-typing {
    margin-bottom: 12px;
    padding-left: 28px;
}

.typing-dots {
    display: flex;
    gap: 5px;
    padding: 4px 0;
}

.typing-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--k-primary);
    opacity: 0.4;
    animation: typing-pulse 1.2s ease-in-out infinite;
}

.typing-dots span:nth-child(2) { animation-delay: 0.2s; }
.typing-dots span:nth-child(3) { animation-delay: 0.4s; }

@keyframes typing-pulse {
    0%, 80%, 100% { opacity: 0.3; transform: scale(1); }
    40%            { opacity: 1;   transform: scale(1.2); }
}

/* ── GDPR Notice ───────────────────────────────────── */
.kupal-gdpr {
    position: absolute;
    bottom: calc(var(--k-input-h) + 8px);
    left: 14px;
    right: 14px;
    background: var(--k-surface2);
    border: 1px solid var(--k-border);
    border-radius: var(--k-radius-sm);
    padding: 10px 14px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 10px;
    font-size: 11.5px;
    color: var(--k-text-muted);
    z-index: 90;
    box-shadow: var(--k-shadow);
    transition: all 0.4s ease;
}

.kupal-gdpr.hidden {
    opacity: 0;
    transform: translateY(20px);
    pointer-events: none;
}

.kupal-gdpr-dismiss {
    border: 1px solid var(--k-border);
    background: var(--k-surface);
    color: var(--k-text);
    font-family: var(--k-font);
    font-size: 11px;
    font-weight: 600;
    padding: 4px 10px;
    border-radius: 20px;
    cursor: pointer;
    white-space: nowrap;
    transition: background 0.2s;
}

.kupal-gdpr-dismiss:hover { background: var(--k-primary); color: #fff; border-color: var(--k-primary); }

/* ── Input Area ────────────────────────────────────── */
.kupal-input-area {
    position: relative;
    z-index: 100;
    background: var(--k-header-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border-top: 1px solid var(--k-border);
    padding: 10px 12px 12px;
    transition: background 0.3s;
    flex-shrink: 0;
}

.kupal-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 6px;
    background: var(--k-surface);
    border: 1.5px solid var(--k-border);
    border-radius: calc(var(--k-radius) + 4px);
    padding: 6px 6px 6px 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.kupal-input-wrapper:focus-within {
    border-color: var(--k-primary);
    box-shadow: 0 0 0 3px var(--k-primary-glow);
}

/* ── Voice button ──────────────────────────────────── */
.kupal-voice-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: transparent;
    color: var(--k-text-muted);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
}

.kupal-voice-btn svg { width: 16px; height: 16px; }
.kupal-voice-btn:hover { color: var(--k-primary); background: var(--k-primary-glow); }

.kupal-voice-btn.kupal-voice-active {
    color: white;
    background: var(--k-primary);
    animation: kupal-pulse-ring 1.2s ease-in-out infinite;
}

@keyframes kupal-pulse-ring {
    0%   { box-shadow: 0 0 0 0 rgba(232,64,28,0.4); }
    70%  { box-shadow: 0 0 0 8px rgba(232,64,28,0); }
    100% { box-shadow: 0 0 0 0 rgba(232,64,28,0); }
}

/* ── Text input ────────────────────────────────────── */
.kupal-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-family: var(--k-font);
    font-size: 14px;
    color: var(--k-text);
    resize: none;
    line-height: 1.5;
    max-height: 120px;
    overflow-y: auto;
    padding: 4px 0;
}

.kupal-input::placeholder { color: var(--k-text-faint); }

.kupal-send-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--k-primary);
    color: white;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
    box-shadow: 0 2px 8px var(--k-primary-glow);
}

.kupal-send-btn svg { width: 16px; height: 16px; }
.kupal-send-btn:disabled { background: var(--k-text-faint); box-shadow: none; cursor: not-allowed; }
.kupal-send-btn:not(:disabled):hover { background: var(--k-primary-dark); transform: scale(1.05); }
.kupal-send-btn:not(:disabled):active { transform: scale(0.95); }

.kupal-input-footer {
    display: flex;
    justify-content: space-between;
    padding: 4px 4px 0;
}

.kupal-char-count,
.kupal-powered {
    font-size: 10px;
    color: var(--k-text-faint);
    font-family: var(--k-mono);
}

/* ── Error bubble ──────────────────────────────────── */
.kupal-bubble-error {
    border-color: rgba(232,64,28,0.3) !important;
    background: rgba(232,64,28,0.06) !important;
    color: var(--k-primary) !important;
    font-size: 13px;
}

/* ═══════════════════════════════════════════════════
   HISTORY PAGE
═══════════════════════════════════════════════════ */

/* ── Search bar ────────────────────────────────────── */
.kupal-search-bar {
    position: relative;
    z-index: 10;
    padding: 10px 12px 6px;
    background: var(--k-header-bg);
    border-bottom: 1px solid var(--k-border);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-shrink: 0;
}

.kupal-search-icon {
    width: 16px;
    height: 16px;
    color: var(--k-text-muted);
    flex-shrink: 0;
}

.kupal-search-input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-family: var(--k-font);
    font-size: 14px;
    color: var(--k-text);
    padding: 6px 0;
}

.kupal-search-input::placeholder { color: var(--k-text-faint); }

/* ── History list ──────────────────────────────────── */
.kupal-history .kupal-history-list {
    flex: 1;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 12px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    z-index: 1;
    -webkit-overflow-scrolling: touch;
    touch-action: pan-y;
    min-height: 0;
}

.kupal-history-item {
    background: var(--k-surface);
    border: 1.5px solid var(--k-border);
    border-radius: var(--k-radius);
    padding: 12px 14px;
    display: flex;
    align-items: center;
    gap: 12px;
    cursor: pointer;
    color: var(--k-text);
    transition: all 0.2s;
    animation: kupal-fade-up 0.3s ease both;
    position: relative;
}

.kupal-history-item:hover {
    border-color: var(--k-primary);
    box-shadow: 0 2px 12px var(--k-primary-glow);
    transform: translateY(-1px);
}

.kupal-history-icon {
    width: 42px;
    height: 42px;
    background: linear-gradient(135deg, var(--k-primary) 0%, var(--k-accent) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    flex-shrink: 0;
}

.kupal-history-info {
    flex: 1;
    min-width: 0;
}

.kupal-history-title {
    font-weight: 700;
    font-size: 14px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin-bottom: 3px;
    cursor: default;
}

.kupal-history-title[title] { cursor: text; }

.kupal-history-meta {
    font-size: 11px;
    color: var(--k-text-muted);
    font-family: var(--k-mono);
}

/* ── Rename input ──────────────────────────────────── */
.kupal-rename-input {
    width: 100%;
    border: 1.5px solid var(--k-primary);
    border-radius: 6px;
    background: var(--k-surface2);
    color: var(--k-text);
    font-family: var(--k-font);
    font-size: 14px;
    font-weight: 700;
    padding: 3px 8px;
    outline: none;
    box-shadow: 0 0 0 3px var(--k-primary-glow);
}

/* ── History item actions ──────────────────────────── */
.kupal-history-item-actions {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-shrink: 0;
}

.kupal-history-delete {
    width: 30px;
    height: 30px;
    border: 1px solid var(--k-border);
    background: transparent;
    color: var(--k-text-muted);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.2s;
    font-size: 14px;
}

.kupal-history-delete:hover {
    border-color: var(--k-danger);
    color: var(--k-danger);
    background: rgba(232,64,28,0.08);
}

/* ── Loading / Empty States ────────────────────────── */
.kupal-loading-state,
.kupal-empty-state {
    text-align: center;
    padding: 60px 24px;
    color: var(--k-text-muted);
}

.kupal-spinner {
    width: 36px;
    height: 36px;
    border: 3px solid var(--k-border);
    border-top-color: var(--k-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

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

.kupal-empty-state .kupal-welcome-emoji { font-size: 48px; }

.kupal-new-chat-btn {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 28px;
    background: var(--k-primary);
    color: white;
    border-radius: 100px;
    font-weight: 700;
    font-size: 14px;
    text-decoration: none;
    transition: all 0.2s;
    box-shadow: 0 4px 16px var(--k-primary-glow);
}

.kupal-new-chat-btn:hover { background: var(--k-primary-dark); transform: translateY(-2px); color: white; }

/* ═══════════════════════════════════════════════════
   MODALS
═══════════════════════════════════════════════════ */
.kupal-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    animation: kupal-fade-in 0.2s ease;
}

.kupal-modal {
    background: var(--k-surface);
    border-radius: calc(var(--k-radius) + 4px);
    padding: 32px 24px 24px;
    text-align: center;
    max-width: 360px;
    width: 100%;
    box-shadow: var(--k-shadow-strong);
    border: 1px solid var(--k-border);
    animation: kupal-scale-in 0.3s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.kupal-modal-emoji { font-size: 48px; margin-bottom: 12px; }
.kupal-modal h3    { font-size: 18px; font-weight: 800; margin-bottom: 8px; }
.kupal-modal p     { font-size: 14px; color: var(--k-text-muted); margin-bottom: 20px; }

.kupal-modal-actions {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.kupal-btn-cancel,
.kupal-btn-danger {
    padding: 10px 20px;
    border-radius: 100px;
    font-family: var(--k-font);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s;
    border: none;
}

.kupal-btn-cancel { background: var(--k-surface2); color: var(--k-text); border: 1.5px solid var(--k-border); }
.kupal-btn-cancel:hover { background: var(--k-border); }

.kupal-btn-danger { background: var(--k-danger); color: white; box-shadow: 0 2px 8px rgba(232,64,28,0.3); }
.kupal-btn-danger:hover { background: var(--k-primary-dark); transform: scale(1.03); }

/* ── Share modal specific ──────────────────────────── */
.kupal-share-url-input {
    width: 100%;
    border: 1.5px solid var(--k-border);
    border-radius: var(--k-radius-sm);
    padding: 10px 12px;
    font-family: var(--k-mono);
    font-size: 12px;
    background: var(--k-surface2);
    color: var(--k-text);
    margin-bottom: 10px;
    outline: none;
    cursor: text;
    text-overflow: ellipsis;
}

.kupal-btn-copy {
    width: 100%;
    padding: 10px;
    border-radius: var(--k-radius-sm);
    border: 1.5px solid var(--k-primary);
    background: var(--k-primary-glow);
    color: var(--k-primary);
    font-family: var(--k-font);
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    margin-bottom: 16px;
    transition: all 0.2s;
}

.kupal-btn-copy:hover { background: var(--k-primary); color: white; }

/* ── Markdown in AI bubbles ────────────────────────── */
.kupal-bubble-ai strong { font-weight: 700; }
.kupal-bubble-ai em     { font-style: italic; }
.kupal-bubble-ai code {
    font-family: var(--k-mono);
    font-size: 12.5px;
    background: var(--k-surface2);
    border: 1px solid var(--k-border);
    padding: 1px 5px;
    border-radius: 4px;
}
.kupal-bubble-ai pre {
    background: var(--k-surface2);
    border: 1px solid var(--k-border);
    border-radius: 8px;
    padding: 12px;
    overflow-x: auto;
    margin: 8px 0;
    font-family: var(--k-mono);
    font-size: 12px;
    line-height: 1.5;
}
.kupal-bubble-ai ul,
.kupal-bubble-ai ol { padding-left: 20px; margin: 6px 0; }
.kupal-bubble-ai li { margin-bottom: 4px; }
.kupal-bubble-ai p  { margin-bottom: 8px; }
.kupal-bubble-ai p:last-child { margin-bottom: 0; }

/* ── Animations ────────────────────────────────────── */
@keyframes kupal-fade-up  { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }
@keyframes kupal-fade-in  { from { opacity: 0; } to { opacity: 1; } }
@keyframes kupal-scale-in { from { opacity: 0; transform: scale(0.85); } to { opacity: 1; transform: scale(1); } }

/* ── Responsive ────────────────────────────────────── */
@media (min-width: 600px) {
    .kupal-app {
        border-left: 1px solid var(--k-border);
        border-right: 1px solid var(--k-border);
        box-shadow: var(--k-shadow-strong);
    }
}

@media (max-width: 360px) {
    .kupal-suggestions { grid-template-columns: 1fr; }
    .kupal-welcome h2  { font-size: 22px; }
    .kupal-bubble      { max-width: 90%; }
    .kupal-header-right .kupal-icon-btn:nth-child(n+4) { display: none; } /* hide extra buttons on tiny screens */
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .kupal-welcome-emoji { animation: none; }
    .kupal-message-wrap  { animation: none; }
    .kupal-stream-cursor { animation: none; }
    .kupal-voice-btn.kupal-voice-active { animation: none; }
}