.btn {
    padding: 8px var(--space-md);
    border-radius: var(--border-radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 16px;
    font-weight: var(--font-weight-bold);
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
}

.btn-primary {
    border: 1px solid var(--color-primary);
    background: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-accent);
    border-color: var(--color-accent);
    box-shadow: var(--shadow-btn-hover);
}

.btn-primary:active {
    background: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
}

.btn-secondary {
    border: 1px solid var(--color-primary);
    background: transparent;
    color: var(--color-primary);
}

.btn-secondary:hover {
    border-color: var(--color-accent);
    color: var(--color-accent);
    box-shadow: var(--shadow-btn-hover);
}

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

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

.btn-pending:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    box-shadow: none;
}

.close-btn {
    width: 32px;
    height: 32px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-xs);
    border: none;
    border-radius: 50%;
    background: transparent;
    font-size: 24px;
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
}

.close-btn:hover {
    background: var(--color-bg);
    transform: scale(1.1);
}

.close-btn img {
    width: 100%;
    height: 100%;
}