/* Button Styles */

/* Mode Switcher */
.mode-switcher {
    display: flex;
    background: #1a1a1a;
    border-radius: 4px;
    padding: 3px;
}
.mode-btn {
    flex: 1;
    font-family: 'Syne', sans-serif;
    padding: 10px 12px;
    border: none;
    border-radius: 3px;
    background: transparent;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    color: #666;
    transition: all 0.2s ease;
}
.mode-btn:hover { color: #999; }
.mode-btn.active {
    background: #2a2a2a;
    color: #fff;
    box-shadow: 0 1px 3px rgba(0,0,0,0.3);
}

/* Language Switcher */
.lang-switcher { display: flex; gap: 0; }
.lang-btn {
    font-family: 'Space Mono', monospace;
    font-size: 10px;
    padding: 6px 10px;
    border: 1px solid #333;
    background: #1a1a1a;
    color: #666;
    cursor: pointer;
    transition: all 0.2s ease;
}
.lang-btn:first-child { border-radius: 2px 0 0 2px; border-right: none; }
.lang-btn:last-child { border-radius: 0 2px 2px 0; }
.lang-btn:hover { color: #999; background: #222; }
.lang-btn.active { background: #fff; border-color: #fff; color: #0a0a0a; }

/* Source Buttons (Video Mode) */
.source-buttons { display: flex; gap: 8px; }
.source-btn {
    flex: 1;
    font-family: 'Syne', sans-serif;
    padding: 12px 8px;
    border: 2px solid #333;
    border-radius: 4px;
    background: #1a1a1a;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s ease;
    color: #888;
}
.source-btn:hover { border-color: #555; }
.source-btn.active { background: #fff; border-color: #fff; color: #0a0a0a; }

/* Camera Buttons */
.camera-toggle { display: flex; gap: 8px; }
.camera-btn {
    flex: 1;
    font-family: 'Space Grotesk', sans-serif;
    padding: 10px;
    border: 1px solid #333;
    border-radius: 4px;
    background: #1a1a1a;
    font-size: 12px;
    cursor: pointer;
    color: #999;
}
.camera-btn:hover { background: #222; }
.camera-btn.active { background: #fff; border-color: #fff; color: #0a0a0a; }

/* Play Button */
.play-btn {
    flex: 1;
    font-family: 'Syne', sans-serif;
    padding: 12px;
    border: none;
    border-radius: 4px;
    background: #fff;
    color: #0a0a0a;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
}

/* Primary & Secondary Buttons */
.btn {
    font-family: 'Syne', sans-serif;
    padding: 14px 20px;
    border: none;
    border-radius: 2px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.2s ease;
}
.btn-primary { background: #fff; color: #0a0a0a; }
.btn-primary:hover { background: #e5e5e5; }
.btn-secondary { background: #1a1a1a; color: #e5e5e5; border: 1px solid #333; }
.btn-secondary:hover { background: #222; }
.btn:disabled { opacity: 0.5; cursor: not-allowed; }

/* Freeze Button */
.freeze-btn {
    font-family: 'Syne', sans-serif;
    padding: 12px;
    border: 2px solid #fff;
    border-radius: 4px;
    background: transparent;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    cursor: pointer;
    color: #fff;
}
.freeze-btn:hover { background: #fff; color: #0a0a0a; }
.freeze-btn.frozen { background: #e74c3c; border-color: #e74c3c; color: #fff; }

/* Add Layer Button */
.add-layer-btn {
    font-family: 'Syne', sans-serif;
    padding: 10px;
    border: 2px dashed #333;
    border-radius: 6px;
    background: transparent;
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 1px;
    text-transform: uppercase;
    color: #666;
    cursor: pointer;
    transition: all 0.2s ease;
}
.add-layer-btn:hover {
    border-color: #fff;
    color: #fff;
    background: #1a1a1a;
}

/* Chain Add Button */
.chain-add-btn {
    padding: 6px 8px !important;
    font-size: 10px !important;
}