/* Cards */
.card {
    background: var(--bg-surface);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s, box-shadow 0.2s;
    border: 1px solid var(--border-color);
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Buttons */
.btn {
    border: none;
    background: var(--bg-surface);
    color: var(--text-main);
    cursor: pointer;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    padding: 0.65rem 1.25rem;
    border-radius: var(--radius-md);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    border: 1px solid transparent;
}

.btn:hover {
    transform: translateY(-1px);
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
}

.btn-primary {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 10px -2px hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.3);
}

.btn-primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 15px -3px hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.4);
}

.btn-subtle {
    background: var(--primary-light);
    color: var(--primary);
}

.btn-subtle:hover {
    background: hsla(var(--primary-h), var(--primary-s), var(--primary-l), 0.15);
}

.btn-danger {
    background: var(--danger-light);
    color: var(--danger);
}

.btn-success {
    background: var(--success-light);
    color: var(--success);
}

.btn-warning {
    background: var(--warning-light);
    color: var(--warning);
}

.btn-icon {
    width: 38px;
    height: 38px;
    padding: 0;
    border-radius: 50%;
    color: var(--text-muted);
}

.btn-icon.btn-sm {
    width: 28px;
    height: 28px;
}

.btn-icon:hover {
    background: var(--bg-app);
    color: var(--primary);
    border-color: var(--border-color);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

/* Empty States */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    background: var(--primary-light);
    opacity: 0.7;
    border-radius: var(--radius-md);
    border: 2px dashed var(--border-color);
}

/* Forms */
.form-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: var(--bg-app);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: var(--bg-surface);
}

textarea.form-control {
    resize: vertical;
    min-height: 100px;
    line-height: 1.6;
}

/* Layout Grids */
.layout-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 2rem;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
}

@media (max-width: 900px) {

    .layout-grid,
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
}