/* ============================================================================
   RESIQO COMPONENT STYLES
   Forms, buttons, cards, badges, alerts
   ============================================================================ */

/* ============================================================================
   BUTTONS
   ============================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    min-height: 2.75rem;
    padding: 0.625rem 1rem;
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-decoration: none;
    white-space: nowrap;
}

/* Button Variants */

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

.btn-primary:hover:not(:disabled) {
    background-color: var(--color-primary-dark);
    box-shadow: 0 4px 6px rgba(59, 130, 246, 0.2);
}

.btn-primary:active:not(:disabled) {
    background-color: #1d4ed8;
}

.btn-secondary {
    background-color: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover:not(:disabled) {
    background-color: #eff6ff;
}

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

.btn-success:hover:not(:disabled) {
    background-color: var(--color-success-dark);
}

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

.btn-warning:hover:not(:disabled) {
    background-color: var(--color-warning-dark);
}

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

.btn-danger:hover:not(:disabled) {
    background-color: var(--color-danger-dark);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

.btn-outline-primary:hover:not(:disabled) {
    background-color: #eff6ff;
}

/* Button Sizes */

.btn-sm {
    min-height: 2rem;
    padding: 0.375rem 0.75rem;
    font-size: var(--font-size-sm);
}

.btn-lg {
    min-height: 3rem;
    padding: 0.75rem 1.5rem;
    font-size: var(--font-size-lg);
}

/* Button States */

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn.loading {
    opacity: 0.7;
    pointer-events: none;
}

/* ============================================================================
   FORM ELEMENTS
   ============================================================================ */

.form-group {
    margin-bottom: var(--spacing-lg);
    display: flex;
    flex-direction: column;
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
    display: block;
}

.form-label.required::after {
    content: " *";
    color: var(--color-danger);
}

.form-control,
.form-select,
.form-textarea {
    width: 100%;
    padding: 0.625rem 0.875rem;
    min-height: 2.75rem;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    line-height: var(--line-height-normal);
    color: var(--color-dark);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control::placeholder,
.form-textarea::placeholder {
    color: var(--color-slate-light);
}

.form-control:focus,
.form-select:focus,
.form-textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.form-control:disabled,
.form-select:disabled,
.form-textarea:disabled {
    background-color: var(--color-bg);
    color: var(--color-slate-light);
    cursor: not-allowed;
}

.form-textarea {
    min-height: 6rem;
    padding: 0.875rem;
    resize: vertical;
    font-family: var(--font-family);
}

.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23475569' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='m2 5 6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 0.75rem center;
    background-size: 1rem;
    padding-right: 2.5rem;
}

/* Checkbox & Radio */

.form-check {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
}

.form-check-input {
    width: 1.25rem;
    height: 1.25rem;
    margin: 0;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.form-check-label {
    margin-bottom: 0;
    cursor: pointer;
    font-weight: var(--font-weight-normal);
}

/* Form Error States */

.form-control.is-invalid,
.form-select.is-invalid,
.form-textarea.is-invalid {
    border-color: var(--color-danger);
}

.form-control.is-invalid:focus,
.form-select.is-invalid:focus,
.form-textarea.is-invalid:focus {
    border-color: var(--color-danger);
    box-shadow: 0 0 0 3px rgba(239, 68, 68, 0.1);
}

.invalid-feedback {
    font-size: var(--font-size-sm);
    color: var(--color-danger);
    margin-top: var(--spacing-xs);
    display: block;
}

/* ============================================================================
   CARDS
   ============================================================================ */

.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-light);
    border-radius: var(--radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
}

.card:hover {
    border-color: var(--color-gray);
    box-shadow: var(--shadow-md);
}

.card-body {
    padding: var(--spacing-lg);
}

.card-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-light);
    background-color: #fafbfc;
}

.card-title {
    margin: 0 0 var(--spacing-sm) 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-dark);
}

.card-text {
    margin: 0;
    font-size: var(--font-size-sm);
    color: var(--color-slate);
}

.card-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-light);
    background-color: #fafbfc;
}

/* ============================================================================
   ALERTS & NOTIFICATIONS
   ============================================================================ */

.alert {
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
}

.alert-title {
    font-weight: var(--font-weight-semibold);
    margin-bottom: var(--spacing-xs);
}

.alert-message {
    margin: 0;
    font-size: var(--font-size-sm);
}

.alert-icon {
    flex-shrink: 0;
    width: 1.5rem;
    height: 1.5rem;
}

.alert-primary {
    background-color: #eff6ff;
    border-color: #bfdbfe;
    color: #0c4a6e;
}

.alert-success {
    background-color: #f0fdf4;
    border-color: #bbf7d0;
    color: #15803d;
}

.alert-warning {
    background-color: #fffbeb;
    border-color: #fde68a;
    color: #92400e;
}

.alert-danger {
    background-color: #fef2f2;
    border-color: #fca5a5;
    color: #991b1b;
}

.alert-info {
    background-color: #ecf9ff;
    border-color: #a5f3fc;
    color: #164e63;
}

.alert-dismissible {
    position: relative;
    padding-right: 3rem;
}

.alert-close {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 1.5rem;
    opacity: 0.6;
    transition: opacity var(--transition-fast);
}

.alert-close:hover {
    opacity: 1;
}

/* ============================================================================
   BADGES & PILLS
   ============================================================================ */

.badge {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: 0.375rem 0.625rem;
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    border-radius: var(--radius-full);
    white-space: nowrap;
}

.badge-primary {
    background-color: #dbeafe;
    color: #0c4a6e;
}

.badge-success {
    background-color: #dcfce7;
    color: #15803d;
}

.badge-warning {
    background-color: #fef3c7;
    color: #92400e;
}

.badge-danger {
    background-color: #fee2e2;
    color: #991b1b;
}

.badge-gray {
    background-color: #f3f4f6;
    color: #4b5563;
}

.badge-secondary {
    background-color: #e2e8f0;
    color: #475569;
}

/* ============================================================================
   SPINNER/LOADER
   ============================================================================ */

.spinner-border {
    display: inline-block;
    width: 1.5rem;
    height: 1.5rem;
    vertical-align: text-bottom;
    border: 2px solid rgba(59, 130, 246, 0.25);
    border-right-color: var(--color-primary);
    border-radius: 50%;
    animation: spinner-border 0.75s linear infinite;
}

.spinner-border-sm {
    width: 1rem;
    height: 1rem;
    border-width: 2px;
}

@keyframes spinner-border {
    to {
        transform: rotate(360deg);
    }
}

.spinner-border.text-primary {
    border-color: rgba(59, 130, 246, 0.25);
    border-right-color: var(--color-primary);
}

.spinner-border.text-success {
    border-color: rgba(16, 185, 129, 0.25);
    border-right-color: var(--color-success);
}

/* ============================================================================
   TABLES
   ============================================================================ */

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--font-size-sm);
}

.table thead {
    background-color: var(--color-dark);
    color: var(--color-white);
    text-transform: uppercase;
    font-weight: var(--font-weight-semibold);
    letter-spacing: 0.05em;
}

.table th {
    padding: var(--spacing-md);
    text-align: left;
    border-bottom: 1px solid #334155;
}

.table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-light);
}

.table tbody tr:hover {
    background-color: #f9fafb;
}

.table tbody tr:nth-child(odd) {
    background-color: var(--color-white);
}

.table tbody tr:nth-child(even) {
    background-color: #f9fafb;
}

.table a {
    color: var(--color-primary);
    font-weight: var(--font-weight-medium);
}

.table a:hover {
    text-decoration: underline;
}

/* ============================================================================
   PAGINATION
   ============================================================================ */

.pagination {
    display: flex;
    gap: var(--spacing-xs);
    align-items: center;
    justify-content: center;
    list-style: none;
    padding: 0;
    margin: var(--spacing-lg) 0 0 0;
}

.pagination-item {
    display: inline-flex;
}

.pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 2.5rem;
    height: 2.5rem;
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    color: var(--color-primary);
    text-decoration: none;
    transition: all var(--transition-fast);
    font-weight: var(--font-weight-medium);
}

.pagination-link:hover:not(.disabled):not(.active) {
    background-color: var(--color-bg);
    border-color: var(--color-primary);
}

.pagination-link.active {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
}

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

/* ============================================================================
   DROPDOWNS
   ============================================================================ */

.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 12rem;
    margin-top: var(--spacing-sm);
    background-color: var(--color-white);
    border: 1px solid var(--color-gray);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    z-index: var(--z-dropdown);
    list-style: none;
    padding: var(--spacing-sm) 0;
    margin: 0;
}

.dropdown-item {
    padding: var(--spacing-sm) var(--spacing-lg);
    color: var(--color-slate);
    cursor: pointer;
    transition: background-color var(--transition-fast);
    display: block;
    width: 100%;
    text-align: left;
    border: none;
    background: none;
    font-size: var(--font-size-sm);
}

.dropdown-item:hover {
    background-color: var(--color-bg);
    color: var(--color-dark);
}

.dropdown-item.active {
    background-color: #eff6ff;
    color: var(--color-primary);
    font-weight: var(--font-weight-semibold);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-gray-light);
    margin: var(--spacing-sm) 0;
}

/* ============================================================================
   MODALS
   ============================================================================ */

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
}

.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow-x: hidden;
    overflow-y: auto;
    z-index: var(--z-modal);
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-title {
    margin: 0;
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-slate);
}

.modal-close:hover {
    color: var(--color-dark);
}

.modal-body {
    padding: var(--spacing-lg);
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-light);
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* ============================================================================
   BREADCRUMBS
   ============================================================================ */

.breadcrumb {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
    margin: 0 0 var(--spacing-lg) 0;
    padding: 0;
    list-style: none;
}

.breadcrumb-item {
    color: var(--color-slate);
}

.breadcrumb-item + .breadcrumb-item::before {
    content: "/";
    margin: 0 var(--spacing-sm);
    color: var(--color-slate-light);
}

.breadcrumb-item a {
    color: var(--color-primary);
}

.breadcrumb-item.active {
    color: var(--color-dark);
    font-weight: var(--font-weight-semibold);
}

/* ============================================================================
   EMPTY STATES
   ============================================================================ */

.empty-state {
    text-align: center;
    padding: var(--spacing-3xl) var(--spacing-lg);
}

.empty-state-icon {
    font-size: 3rem;
    color: var(--color-slate-light);
    margin-bottom: var(--spacing-lg);
}

.empty-state-title {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-dark);
    margin-bottom: var(--spacing-sm);
}

.empty-state-text {
    font-size: var(--font-size-sm);
    color: var(--color-slate);
    margin-bottom: var(--spacing-lg);
}

/* ============================================================================
   SKELETONS / LOADERS
   ============================================================================ */

.skeleton {
    background: linear-gradient(90deg, #e2e8f0 25%, #f1f5f9 50%, #e2e8f0 75%);
    background-size: 200% 100%;
    animation: skeleton-loading 1.5s infinite;
    border-radius: var(--radius-md);
}

@keyframes skeleton-loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}