/* ========================================
   Button Components
   ======================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-2);
    padding: var(--spacing-3) var(--spacing-6);
    font-size: var(--font-size-base);
    font-weight: 500;
    line-height: 1;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    outline: none;
    position: relative;
    overflow: hidden;
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Button - Primary */
.btn-primary {
    background: linear-gradient(135deg, var(--porto-blue), #0063c1);
    color: #ffffff;
    box-shadow: 0 10px 25px rgba(0, 74, 151, 0.18);
}

.btn-primary:hover:not(:disabled) {
    transform: translateY(-1px);
    background: linear-gradient(135deg, #003a75, #0056af);
}

.btn-primary:active:not(:disabled) {
    transform: translateY(0);
}

/* Button - Secondary */
.btn-secondary {
    background: #ffffff;
    color: var(--text-primary);
    border: 1px solid rgba(27, 27, 31, 0.12);
    box-shadow: 0 1px 2px rgba(27, 27, 31, 0.06);
}

.btn-secondary:hover:not(:disabled) {
    background: #f4f8ff;
}

/* Button - Ghost */
.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
}

.btn-ghost:hover:not(:disabled) {
    background: var(--bg-glass);
    color: var(--text-primary);
}

/* Button - Danger */
.btn-danger {
    background: linear-gradient(135deg, var(--color-error-600), var(--color-error-500));
    color: white;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.3);
}

.btn-danger:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(239, 68, 68, 0.4);
}

/* Button Sizes */
.btn-sm {
    padding: var(--spacing-2) var(--spacing-4);
    font-size: var(--font-size-sm);
}

.btn-lg {
    padding: var(--spacing-4) var(--spacing-8);
    font-size: var(--font-size-lg);
}

/* Button - Full Width */
.btn-block {
    width: 100%;
}

/* ========================================
   Card Components
   ======================================== */

.card {
    background: #ffffff;
    border: 1px solid rgba(27, 27, 31, 0.08);
    border-radius: var(--radius-xl);
    padding: var(--spacing-6);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.card:hover {
    border-color: rgba(27, 27, 31, 0.12);
    box-shadow: var(--shadow-md);
}

.card-header {
    margin-bottom: var(--spacing-4);
    padding-bottom: var(--spacing-4);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin: 0;
}

.card-body {
    color: var(--text-secondary);
}

.card-footer {
    margin-top: var(--spacing-4);
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--border-color);
    display: flex;
    gap: var(--spacing-3);
    align-items: center;
}

/* Card Variants */
.card-gradient {
    background: linear-gradient(135deg,
            rgba(99, 102, 241, 0.1),
            rgba(236, 72, 153, 0.1));
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.card-clickable {
    cursor: pointer;
}

.card-clickable:hover {
    transform: translateY(-4px);
}

/* ========================================
   Form Components
   ======================================== */

.form-group {
    margin-bottom: var(--spacing-3);
}

.form-label {
    display: block;
    margin-bottom: var(--spacing-2);
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--text-primary);
}

.form-input,
.form-select,
.form-textarea {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: #ffffff;
    border: 1px solid rgba(27, 27, 31, 0.12);
    border-radius: var(--radius-md);
    outline: none;
    transition: all var(--transition-base);
}

.percent-group {
    max-width: 260px;
}

.percent-input {
    width: 100%;
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
    border-color: var(--color-primary-500);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

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

/* Select options - ensure visibility */
.form-select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
    padding: var(--spacing-2);
}

.form-error {
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--color-error-500);
}

.form-help {
    margin-top: var(--spacing-2);
    font-size: var(--font-size-sm);
    color: var(--text-tertiary);
}

/* Input with Icon */
.input-group {
    position: relative;
}

.input-group .form-input {
    padding-right: var(--spacing-10);
}

.input-icon {
    position: absolute;
    right: var(--spacing-4);
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-tertiary);
}

/* ========================================
   Badge Components
   ======================================== */

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-1) var(--spacing-3);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
    line-height: 1;
}

.badge-primary {
    background: rgba(0, 74, 151, 0.1);
    color: var(--porto-blue);
}

.badge-success {
    background: rgba(34, 197, 94, 0.2);
    color: var(--color-success-400);
}

.badge-warning {
    background: rgba(245, 158, 11, 0.2);
    color: var(--color-warning-400);
}

.badge-error {
    background: rgba(239, 68, 68, 0.2);
    color: var(--color-error-400);
}

/* ========================================
   Table Components
   ======================================== */

.table-container {
    overflow-x: auto;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
}

.table {
    width: 100%;
    border-collapse: collapse;
}

.table thead {
    background: var(--bg-glass);
}

.table th {
    padding: var(--spacing-4);
    text-align: left;
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: var(--spacing-4);
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.table tbody tr:hover {
    background: var(--bg-glass);
}

.table tbody tr:last-child td {
    border-bottom: none;
}

/* ========================================
   Navigation Components
   ======================================== */

.nav {
    display: flex;
    gap: var(--spacing-2);
}

.nav-link {
    padding: var(--spacing-3) var(--spacing-4);
    color: var(--text-secondary);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: var(--bg-glass);
}

/* ========================================
   Alert Components
   ======================================== */

.alert {
    padding: var(--spacing-4);
    border-radius: var(--radius-lg);
    border-left: 4px solid;
    margin-bottom: var(--spacing-4);
}

.alert-success {
    background: rgba(34, 197, 94, 0.1);
    border-color: var(--color-success-500);
    color: var(--color-success-400);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border-color: var(--color-error-500);
    color: var(--color-error-400);
}

.alert-warning {
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--color-warning-500);
    color: var(--color-warning-400);
}

.alert-info {
    background: rgba(99, 102, 241, 0.1);
    border-color: var(--color-primary-500);
    color: var(--color-primary-400);
}

/* ========================================
   Empty State
   ======================================== */

.empty-state {
    text-align: center;
    padding: var(--spacing-16) var(--spacing-8);
}

.empty-state-icon {
    font-size: var(--font-size-4xl);
    color: var(--text-tertiary);
    margin-bottom: var(--spacing-4);
}

.empty-state-icon .material-symbols-outlined {
    font-size: 5rem;
    color: var(--porto-blue);
    opacity: 0.7;
}

.empty-state-title {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-2);
}

.empty-state-description {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-6);
}

/* ========================================
   Divider
   ======================================== */

.divider {
    height: 1px;
    background: var(--border-color);
    margin: var(--spacing-6) 0;
}

/* ========================================
   Grid System
   ======================================== */

.grid {
    display: grid;
    gap: var(--spacing-6);
}

.grid-cols-1 {
    grid-template-columns: repeat(1, 1fr);
}

.grid-cols-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-cols-4 {
    grid-template-columns: repeat(4, 1fr);
}

@media (max-width: 1024px) {
    .grid-cols-4 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid-cols-3 {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {

    .grid-cols-4,
    .grid-cols-3,
    .grid-cols-2 {
        grid-template-columns: repeat(1, 1fr);
    }
}