/* ═════════════════════════════════════════════════════════════════════
   AI HAND GESTURE CURSOR & SPATIAL HUD (JARVIS / VISION PRO TECH)
   ═════════════════════════════════════════════════════════════════════ */

#ai-cursor-dot {
    position: fixed;
    top: 0;
    left: 0;
    width: 28px;
    height: 28px;
    margin-left: -14px;
    margin-top: -14px;
    pointer-events: none;
    z-index: 9999999;
    mix-blend-mode: screen;
    display: none;
    transition: transform 0.04s linear;
}

/* Core Dot */
.ai-cursor-core {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 8px;
    height: 8px;
    background: #ffffff;
    border-radius: 50%;
    box-shadow: 0 0 10px #00f5ff, 0 0 20px #00f5ff;
    transition: all 0.15s ease;
}

/* Outer Orbiting Gyro Ring */
.ai-cursor-ring {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px dashed rgba(0, 245, 255, 0.85);
    border-radius: 50%;
    box-shadow: 0 0 15px rgba(0, 245, 255, 0.4), inset 0 0 10px rgba(123, 47, 255, 0.3);
    animation: cursor-spin 6s linear infinite;
    transition: all 0.2s ease;
}

@keyframes cursor-spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* Pinched / Clicking State */
#ai-cursor-dot.pinched .ai-cursor-ring {
    border-color: #ff2d78;
    border-style: solid;
    transform: scale(0.6);
    box-shadow: 0 0 25px #ff2d78, 0 0 45px #ff2d78;
}

#ai-cursor-dot.pinched .ai-cursor-core {
    background: #ffea00;
    width: 12px;
    height: 12px;
}

/* Snapped onto Keyboard Key */
#ai-cursor-dot.is-snapped .ai-cursor-ring {
    border-color: #00ffaa;
    border-style: solid;
    transform: scale(1.4);
    box-shadow: 0 0 30px #00ffaa;
}

#ai-cursor-dot.is-snapped .ai-cursor-core {
    background: #00ffaa;
    box-shadow: 0 0 15px #00ffaa;
}

/* Scrolling state */
#ai-cursor-dot.scrolling .ai-cursor-ring {
    border-radius: 6px;
    border-color: #ffea00;
    transform: scale(1.3);
    box-shadow: 0 0 25px #ffea00;
}

/* Rest state */
#ai-cursor-dot.resting {
    opacity: 0.35;
    filter: grayscale(1);
}

/* Click Ripple Wave */
.ai-click-ripple {
    position: fixed;
    width: 50px;
    height: 50px;
    margin-left: -25px;
    margin-top: -25px;
    border: 2px solid #00f5ff;
    border-radius: 50%;
    pointer-events: none;
    z-index: 9999998;
    animation: ai-spatial-ripple 0.45s cubic-bezier(0.1, 0.8, 0.2, 1) forwards;
}

@keyframes ai-spatial-ripple {
    0% { transform: scale(0.2); opacity: 1; border-color: #ff2d78; }
    50% { border-color: #00f5ff; }
    100% { transform: scale(2.2); opacity: 0; border-color: #7b2fff; }
}

/* ── Gesture Toast Notification ── */
#ai-gesture-hint {
    position: fixed;
    top: 85px;
    left: 50%;
    transform: translateX(-50%) translateY(-20px);
    background: rgba(10, 15, 35, 0.9);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 245, 255, 0.5);
    color: #ffffff;
    font-family: 'Syne', sans-serif;
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 8px 18px;
    border-radius: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.6), 0 0 20px rgba(0, 245, 255, 0.3);
    z-index: 9999995;
    opacity: 0;
    pointer-events: none;
    transition: all 0.3s cubic-bezier(0.18, 0.9, 0.32, 1.2);
}

#ai-gesture-hint.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* ── Picture-in-Picture Webcam HUD ── */
#ai-webcam-pip {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 220px;
    height: 170px;
    background: rgba(6, 10, 25, 0.92);
    border: 1.5px solid rgba(0, 245, 255, 0.4);
    border-radius: 16px;
    overflow: hidden;
    z-index: 9999990;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8),
                0 0 30px rgba(0, 245, 255, 0.2),
                inset 0 0 20px rgba(0, 245, 255, 0.05);
    display: none;
    flex-direction: column;
    backdrop-filter: blur(20px);
}

#ai-webcam-pip video {
    display: none;
}

#ai-webcam-pip canvas {
    position: absolute;
    top: 28px;
    left: 0;
    width: 100%;
    height: calc(100% - 56px);
    object-fit: cover;
}

.pip-header {
    position: relative;
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 10px;
    background: rgba(4, 7, 18, 0.85);
    border-bottom: 1px solid rgba(0, 245, 255, 0.2);
}

.pip-title {
    font-family: 'Syne', sans-serif;
    font-size: 0.65rem;
    font-weight: 800;
    color: #00f5ff;
    letter-spacing: 0.5px;
}

.pip-fps {
    font-family: monospace;
    font-size: 0.65rem;
    color: #00ffaa;
}

.pip-footer {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 3;
    background: rgba(4, 7, 18, 0.9);
    padding: 4px 8px;
    text-align: center;
    border-top: 1px solid rgba(0, 245, 255, 0.2);
}

.pip-gesture-badge {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 0.72rem;
    font-weight: 700;
    color: #00f5ff;
    letter-spacing: 0.5px;
}

#ai-close-btn {
    position: absolute;
    top: 4px;
    right: 4px;
    width: 20px;
    height: 20px;
    background: rgba(255, 45, 120, 0.2);
    border: 1px solid rgba(255, 45, 120, 0.4);
    color: #ff2d78;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 10px;
    z-index: 5;
    transition: all 0.2s;
}

#ai-close-btn:hover {
    background: #ff2d78;
    color: #ffffff;
    box-shadow: 0 0 10px rgba(255, 45, 120, 0.7);
}

/* ── Slim Floating Corner Widget (Bottom-Left) ── */
.ai-corner-widget-container {
    position: fixed;
    bottom: 22px;
    left: 22px;
    z-index: 999990;
    display: flex;
    align-items: center;
    gap: 8px;
}

#ai-floating-corner-btn,
.ai-corner-btn {
    height: 32px;
    padding: 0 12px;
    background: rgba(6, 10, 26, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(0, 245, 255, 0.35);
    border-radius: 30px;
    color: rgba(0, 245, 255, 0.95);
    font-family: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5), 0 0 12px rgba(0, 245, 255, 0.18);
    transition: all 0.25s cubic-bezier(0.2, 0.9, 0.3, 1);
    user-select: none;
    outline: none;
}

.ai-corner-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #00f5ff;
    box-shadow: 0 0 8px #00f5ff;
    transition: all 0.25s ease;
}

.ai-corner-icon {
    width: 14px;
    height: 14px;
    fill: currentColor;
    flex-shrink: 0;
}

.ai-corner-btn:hover {
    background: rgba(0, 245, 255, 0.15);
    border-color: #00f5ff;
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(0, 245, 255, 0.35);
    transform: translateY(-2px);
}

.ai-corner-btn.ai-hand-active {
    background: rgba(0, 255, 170, 0.18) !important;
    border-color: rgba(0, 255, 170, 0.8) !important;
    color: #00ffaa !important;
    box-shadow: 0 8px 25px rgba(0, 255, 170, 0.4) !important;
}

.ai-corner-btn.ai-hand-active .ai-corner-dot {
    background: #00ffaa;
    box-shadow: 0 0 10px #00ffaa;
    animation: corner-pulse 1.6s infinite;
}

@keyframes corner-pulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50% { transform: scale(1.4); opacity: 0.6; }
}

/* ── Companion Keyboard Toggle Button ── */
.ai-corner-kb-btn {
    height: 32px;
    padding: 0 12px;
    background: rgba(123, 47, 255, 0.18);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(123, 47, 255, 0.45);
    border-radius: 30px;
    color: #d1b8ff;
    font-family: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.74rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 5px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.5), 0 0 14px rgba(123, 47, 255, 0.2);
    transition: all 0.25s cubic-bezier(0.2, 0.9, 0.3, 1);
    user-select: none;
    outline: none;
}

.ai-corner-kb-btn:hover {
    background: rgba(123, 47, 255, 0.35);
    border-color: #c49eff;
    color: #ffffff;
    box-shadow: 0 8px 25px rgba(123, 47, 255, 0.45);
    transform: translateY(-2px);
}

.ai-corner-kb-btn.active {
    background: rgba(0, 245, 255, 0.22) !important;
    border-color: #00f5ff !important;
    color: #00f5ff !important;
    box-shadow: 0 8px 25px rgba(0, 245, 255, 0.4) !important;
}

/* ── Floating Guide Button ── */
.ai-corner-guide-btn {
    height: 32px;
    padding: 0 11px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 30px;
    color: #e2e8f0;
    font-family: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 0.74rem;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
    transition: all 0.25s ease;
    user-select: none;
    outline: none;
}

.ai-corner-guide-btn:hover {
    background: rgba(0, 245, 255, 0.15);
    border-color: rgba(0, 245, 255, 0.5);
    color: #00f5ff;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 245, 255, 0.25);
}

.pip-guide-btn {
    background: rgba(0, 245, 255, 0.12);
    border: 1px solid rgba(0, 245, 255, 0.4);
    color: #00f5ff;
    border-radius: 12px;
    padding: 2px 7px;
    font-size: 0.65rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.pip-guide-btn:hover {
    background: rgba(0, 245, 255, 0.25);
    color: #fff;
    transform: scale(1.05);
}

/* ═════════════════════════════════════════════════════════════════════
   AI HAND VISION QUICK STARTUP GUIDE MODAL
   ═════════════════════════════════════════════════════════════════════ */
.ai-guide-overlay {
    position: fixed;
    inset: 0;
    z-index: 99999999;
    background: rgba(4, 7, 20, 0.85);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 18px;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.3s ease;
}

.ai-guide-overlay.active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.ai-guide-modal {
    background: linear-gradient(145deg, rgba(15, 20, 42, 0.96), rgba(8, 11, 26, 0.98));
    border: 1px solid rgba(0, 245, 255, 0.3);
    box-shadow: 0 25px 70px rgba(0, 0, 0, 0.8), 0 0 50px rgba(0, 245, 255, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border-radius: 24px;
    max-width: 680px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    padding: 28px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    transform: scale(0.92) translateY(10px);
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1);
    box-sizing: border-box;
}

.ai-guide-overlay.active .ai-guide-modal {
    transform: scale(1) translateY(0);
}

/* Header */
.ai-guide-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 16px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding-bottom: 16px;
}

.ai-guide-badge {
    display: inline-block;
    padding: 3px 9px;
    font-size: 0.65rem;
    font-weight: 800;
    letter-spacing: 0.08em;
    color: #00f5ff;
    background: rgba(0, 245, 255, 0.12);
    border: 1px solid rgba(0, 245, 255, 0.3);
    border-radius: 20px;
    margin-bottom: 6px;
}

.ai-guide-title-box h3 {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    font-family: 'Syne', -apple-system, BlinkMacSystemFont, sans-serif;
    letter-spacing: -0.01em;
}

.ai-guide-subtitle {
    margin: 4px 0 0;
    font-size: 0.82rem;
    color: #94a3b8;
    line-height: 1.4;
}

.ai-guide-close-x {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    color: #94a3b8;
    width: 32px;
    height: 32px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.ai-guide-close-x:hover {
    background: rgba(255, 45, 120, 0.2);
    border-color: #ff2d78;
    color: #fff;
    transform: scale(1.08);
}

/* 2x2 Gesture Grid */
.ai-guide-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
}

@media (max-width: 600px) {
    .ai-guide-grid {
        grid-template-columns: 1fr;
    }
}

.ai-guide-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 16px;
    padding: 16px;
    display: flex;
    gap: 12px;
    align-items: flex-start;
    transition: all 0.25s ease;
}

.ai-guide-card:hover {
    background: rgba(0, 245, 255, 0.04);
    border-color: rgba(0, 245, 255, 0.25);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
}

.ai-guide-card-icon {
    font-size: 1.5rem;
    width: 38px;
    height: 38px;
    background: rgba(0, 245, 255, 0.08);
    border: 1px solid rgba(0, 245, 255, 0.2);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.ai-guide-card-content h4 {
    margin: 0 0 4px;
    font-size: 0.92rem;
    font-weight: 700;
    color: #e2e8f0;
}

.ai-guide-card-content p {
    margin: 0;
    font-size: 0.78rem;
    color: #94a3b8;
    line-height: 1.45;
}

.ai-guide-card-content strong {
    color: #00f5ff;
}

/* Tips */
.ai-guide-tips {
    background: rgba(123, 47, 255, 0.08);
    border: 1px solid rgba(123, 47, 255, 0.25);
    border-radius: 14px;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    font-size: 0.78rem;
    color: #cbd5e1;
}

.ai-tip-item {
    display: flex;
    align-items: center;
    gap: 8px;
}

.ai-tip-icon {
    font-size: 0.95rem;
    flex-shrink: 0;
}

/* Footer */
.ai-guide-footer {
    display: flex;
    flex-direction: column;
    gap: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 16px;
}

.ai-guide-dont-show {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    user-select: none;
    font-size: 0.8rem;
    color: #94a3b8;
    transition: color 0.2s ease;
}

.ai-guide-dont-show:hover {
    color: #e2e8f0;
}

.ai-guide-dont-show input[type="checkbox"] {
    appearance: none;
    -webkit-appearance: none;
    width: 17px;
    height: 17px;
    border: 1.5px solid rgba(0, 245, 255, 0.4);
    border-radius: 4px;
    background: rgba(0, 0, 0, 0.4);
    outline: none;
    cursor: pointer;
    position: relative;
    vertical-align: middle;
    transition: all 0.2s ease;
}

.ai-guide-dont-show input[type="checkbox"]:checked {
    background: #00f5ff;
    border-color: #00f5ff;
}

.ai-guide-dont-show input[type="checkbox"]:checked::after {
    content: '✓';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -55%);
    color: #050714;
    font-size: 0.72rem;
    font-weight: 900;
}

.ai-guide-actions {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 10px;
    flex-wrap: wrap;
}

.ai-guide-page-link {
    margin-right: auto;
    font-size: 0.78rem;
    font-weight: 600;
    color: #00f5ff;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: opacity 0.2s ease;
}

.ai-guide-page-link:hover {
    text-decoration: underline;
    opacity: 0.85;
}

.ai-guide-btn-secondary {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 12px;
    color: #cbd5e1;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.ai-guide-btn-secondary:hover {
    background: rgba(255, 255, 255, 0.12);
    color: #ffffff;
}

.ai-guide-btn-primary {
    padding: 8px 20px;
    background: linear-gradient(135deg, #00f5ff 0%, #7b2fff 100%);
    border: none;
    border-radius: 12px;
    color: #ffffff;
    font-size: 0.84rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 4px 18px rgba(0, 245, 255, 0.35);
    transition: all 0.25s cubic-bezier(0.2, 0.9, 0.3, 1);
}

.ai-guide-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 245, 255, 0.55);
}

/* Fallback for any lingering toggle buttons in nav */
.ai-cursor-toggle-btn {
    display: none !important;
}