.btn-gradient {
    background: linear-gradient(180deg, 
        color-mix(in srgb, var(--accent, #FF69B4) 80%, white) 0%,
        var(--accent, #FF69B4) 40%,
        color-mix(in srgb, var(--accent, #FF69B4) 60%, black) 70%,
        color-mix(in srgb, var(--accent, #FF69B4) 30%, black) 100%
    );
    color: white;
    border: none;
    border-radius: 10px;
    padding: 10px 24px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.2), inset 0 1px 0 rgba(255,255,255,0.15);
    text-shadow: 0 1px 2px rgba(0,0,0,0.2);
}

.btn-gradient:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 16px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.2);
    background: linear-gradient(180deg, 
        color-mix(in srgb, var(--accent-hover, #FF1493) 80%, white) 0%,
        var(--accent-hover, #FF1493) 40%,
        color-mix(in srgb, var(--accent-hover, #FF1493) 60%, black) 70%,
        color-mix(in srgb, var(--accent-hover, #FF1493) 30%, black) 100%
    );
}

.btn-gradient:active {
    transform: translateY(0);
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.btn-gradient:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none !important;
}

.btn-gradient-sm {
    padding: 6px 16px;
    font-size: 12px;
    border-radius: 8px;
}

.btn-gradient-lg {
    padding: 14px 32px;
    font-size: 16px;
    border-radius: 12px;
}

.btn-outline {
    background: transparent;
    color: var(--text-primary);
    border: 1.5px solid var(--border-color, rgba(255,255,255,0.15));
    border-radius: 10px;
    padding: 8px 22px;
    font-weight: 600;
    font-size: 14px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
}

.btn-outline:hover {
    border-color: var(--accent, #FF69B4);
    color: var(--accent, #FF69B4);
}

.btn-outline:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.btn-outline-sm {
    padding: 4px 14px;
    font-size: 12px;
    border-radius: 8px;
}

.btn-outline-lg {
    padding: 12px 28px;
    font-size: 16px;
    border-radius: 12px;
}

.btn-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    border: 1.5px solid var(--border-color, rgba(255,255,255,0.1));
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.btn-icon:hover {
    border-color: var(--accent, #FF69B4);
    color: var(--accent, #FF69B4);
}

.btn-sm {
    padding: 4px 12px;
    font-size: 12px;
    border-radius: 8px;
}

.btn-red {
    background: #ef4444;
    color: white;
    border: none;
    padding: 6px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-red:hover {
    opacity: 0.85;
}

.btn-green {
    background: #22c55e;
    color: white;
    border: none;
    padding: 6px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-green:hover {
    opacity: 0.85;
}