.btn-primary {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-btn);
    padding: 11px 22px;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.btn-primary:hover {
    opacity: .88;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px var(--accent-glow);
}
.btn-primary:disabled { opacity: .5; cursor: default; transform: none; box-shadow: none; }
.btn-primary svg { width: 16px; height: 16px; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--surface-2);
    border: 1px solid var(--border);
    color: var(--text-dim);
    border-radius: var(--radius-btn);
    padding: 10px 18px;
    font-size: var(--fs-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.btn-secondary:hover { border-color: var(--accent); color: var(--text); }
.btn-secondary svg { width: 15px; height: 15px; }

.btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(225,115,85,.12);
    border: 1px solid rgba(225,115,85,.3);
    color: var(--red);
    border-radius: var(--radius-btn);
    padding: 9px 16px;
    font-size: var(--fs-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.btn-danger:hover { background: rgba(225,115,85,.2); border-color: var(--red); }
.btn-danger:disabled { opacity: .5; cursor: default; }

.btn-green {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(0,206,201,.12);
    border: 1px solid rgba(0,206,201,.3);
    color: var(--green);
    border-radius: var(--radius-btn);
    padding: 9px 16px;
    font-size: var(--fs-base);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-family: inherit;
}
.btn-green:hover { background: rgba(0,206,201,.2); border-color: var(--green); }

.btn-compact {
    height: var(--ctrl-h);
    padding: 0 16px;
    font-size: .83rem;
    border-radius: 9px;
}

.btn-save {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    height: 30px;
    padding: 0 14px;
    background: var(--accent);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    font-size: .78rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    flex-shrink: 0;
}
.btn-save:hover { opacity: .88; box-shadow: 0 3px 12px var(--accent-glow); }
.btn-save:disabled { opacity: .4; cursor: default; }
.btn-save.saved {
    background: rgba(0,206,201,.12);
    color: var(--green);
    border: 1px solid rgba(0,206,201,.3);
}