/**
 * Moving Systems Dashboard - Component Styles
 * 
 * UI Componenten: buttons, cards, forms, badges, tabs, alerts
 * Volgt Rake Vragen huisstijl
 */

/* =========================================================
   BUTTONS
   
   Let op: Blauw (#2BA4B4) NIET voor button backgrounds!
   Gebruik groen voor primaire acties, oranje voor secundair.
   ========================================================= */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: 12px 24px;
    border: none;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: var(--text-base);
    font-weight: var(--font-medium);
    line-height: 1;
    text-decoration: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn:focus {
    outline: none;
    box-shadow: var(--shadow-focus);
}

.btn:disabled,
.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
}

/* Primary - Groen (bevestigen, opslaan) */
.btn-primary {
    background: var(--color-success);
    color: var(--color-white);
}

.btn-primary:hover {
    background: var(--color-success-hover);
    transform: translateY(-1px);
}

/* Secondary - Oranje (actie, volgende stap) */
.btn-secondary {
    background: var(--color-warning);
    color: var(--color-white);
}

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

/* Accent - Paars (creatief, speciaal) */
.btn-accent {
    background: var(--color-accent);
    color: var(--color-white);
}

.btn-accent:hover {
    background: var(--color-accent-hover);
}

/* Highlight - Geel (aandacht) */
.btn-highlight {
    background: var(--color-highlight);
    color: var(--color-black);
}

.btn-highlight:hover {
    background: var(--color-highlight-hover);
}

/* Soft - Roze (zacht, verbindend) */
.btn-soft {
    background: var(--color-soft);
    color: var(--color-dark);
}

.btn-soft:hover {
    background: var(--color-soft-hover);
}

/* Danger - Rood (verwijderen, annuleren) */
.btn-danger {
    background: var(--color-danger);
    color: var(--color-white);
}

.btn-danger:hover {
    background: #C7000D;
}

/* Outline - Blauw border (secundaire actie) */
.btn-outline {
    background: transparent;
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
    padding: 10px 22px;
}

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

/* Ghost - Blauw transparant */
.btn-ghost {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
}

.btn-ghost:hover {
    background: rgba(var(--color-primary-rgb), 0.2);
}

/* Light - Wit/grijs */
.btn-light {
    background: var(--color-white);
    color: var(--color-gray-dark);
    border: 1px solid var(--color-gray-light);
}

.btn-light:hover {
    background: var(--color-off-white);
    border-color: var(--color-gray);
}

/* Button Sizes */
.btn-sm {
    padding: 8px 16px;
    font-size: var(--text-sm);
    border-radius: var(--radius-xs);
}

.btn-lg {
    padding: 16px 32px;
    font-size: var(--text-lg);
    border-radius: 10px;
}

/* Button with icon */
.btn svg,
.btn .icon {
    width: 18px;
    height: 18px;
}

.btn-sm svg,
.btn-sm .icon {
    width: 16px;
    height: 16px;
}

/* Button group */
.btn-group {
    display: inline-flex;
}

.btn-group .btn {
    border-radius: 0;
}

.btn-group .btn:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.btn-group .btn:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

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

.card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-md);
}

.card-sm {
    padding: var(--space-md);
}

.card-lg {
    padding: var(--space-xl);
}

.card-elevated {
    box-shadow: var(--shadow-lg);
}

.card-bordered {
    box-shadow: none;
    border: 1px solid var(--color-gray-light);
}

.card-accent {
    border-left: 4px solid var(--color-primary);
}

.card-colored {
    background: var(--color-primary-light);
    color: var(--color-white);
}

.card-header {
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-md);
    border-bottom: 1px solid var(--color-gray-light);
}

.card-title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-black);
    margin: 0;
}

.card-subtitle {
    font-size: var(--text-sm);
    color: var(--color-gray);
    margin-top: var(--space-xs);
}

.card-body {
    color: var(--color-gray-dark);
}

.card-footer {
    margin-top: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--color-gray-light);
}

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

.stat-card {
    background: var(--color-white);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
}

.stat-label {
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    color: var(--color-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--space-xs);
}

.stat-value {
    font-family: var(--font-heading);
    font-size: var(--text-3xl);
    font-weight: var(--font-bold);
    color: var(--color-primary);
    line-height: 1;
}

.stat-card.success .stat-value { color: var(--color-success); }
.stat-card.warning .stat-value { color: var(--color-warning); }
.stat-card.danger .stat-value { color: var(--color-danger); }
.stat-card.accent .stat-value { color: var(--color-accent); }

.stat-change {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: var(--text-sm);
    margin-top: var(--space-sm);
}

.stat-change.positive { color: var(--color-success); }
.stat-change.negative { color: var(--color-danger); }

/* =========================================================
   FORMS
   ========================================================= */

.form-group {
    margin-bottom: var(--space-md);
}

.form-label {
    display: block;
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-black);
    margin-bottom: var(--space-sm);
}

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

.form-control {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--color-black);
    background: var(--color-white);
    border: 2px solid var(--color-gray-light);
    border-radius: var(--radius-sm);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: var(--shadow-focus);
}

.form-control::placeholder {
    color: var(--color-gray);
}

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

.form-control.is-invalid:focus,
.form-control.error:focus {
    box-shadow: 0 0 0 3px rgba(var(--color-danger-rgb), 0.15);
}

.form-control.is-valid,
.form-control.success {
    border-color: var(--color-success);
}

/* Textarea */
textarea.form-control {
    min-height: 100px;
    resize: vertical;
}

/* Select */
select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%23666666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 12px center;
    padding-right: 40px;
}

/* Form Help Text */
.form-help {
    font-size: var(--text-xs);
    color: var(--color-gray);
    margin-top: var(--space-xs);
}

/* Form Error Message */
.form-error {
    font-size: var(--text-xs);
    color: var(--color-danger);
    margin-top: var(--space-xs);
}

/* Checkbox & Radio */
.form-check {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.form-check-input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-primary);
    cursor: pointer;
}

.form-check-label {
    font-size: var(--text-sm);
    color: var(--color-black);
    cursor: pointer;
}

/* Input Group */
.input-group {
    display: flex;
}

.input-group .form-control {
    border-radius: 0;
}

.input-group .form-control:first-child {
    border-radius: var(--radius-sm) 0 0 var(--radius-sm);
}

.input-group .form-control:last-child {
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.input-group-text {
    display: flex;
    align-items: center;
    padding: 0 var(--space-md);
    background: var(--color-off-white);
    border: 2px solid var(--color-gray-light);
    color: var(--color-gray);
    font-size: var(--text-sm);
}

/* =========================================================
   BADGES
   ========================================================= */

.badge {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: var(--text-xs);
    font-weight: var(--font-medium);
    line-height: 1.4;
}

.badge-primary { background: var(--color-primary); color: var(--color-white); }
.badge-light { background: var(--color-primary-light); color: var(--color-white); }
.badge-success { background: var(--color-success); color: var(--color-white); }
.badge-warning { background: var(--color-warning); color: var(--color-white); }
.badge-danger { background: var(--color-danger); color: var(--color-white); }
.badge-accent { background: var(--color-accent); color: var(--color-white); }
.badge-highlight { background: var(--color-highlight); color: var(--color-black); }
.badge-neutral { background: var(--color-gray-light); color: var(--color-gray); }

/* Badge with dot */
.badge-dot {
    padding-left: 8px;
}

.badge-dot::before {
    content: '';
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
    margin-right: 6px;
}

/* =========================================================
   TABS
   ========================================================= */

/* Pill Tabs */
.tabs {
    display: inline-flex;
    gap: 4px;
    background: var(--color-off-white);
    padding: 4px;
    border-radius: var(--radius-md);
    border: 1px solid var(--color-gray-light);
}

.tab {
    padding: 12px 24px;
    border-radius: var(--radius-sm);
    font-size: var(--text-sm);
    font-weight: var(--font-medium);
    color: var(--color-gray);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tab:hover {
    color: var(--color-primary);
    background: rgba(var(--color-primary-rgb), 0.1);
}

.tab.active {
    background: var(--color-white);
    color: var(--color-primary);
    box-shadow: var(--shadow-sm);
}

/* Underline Tabs */
.tabs-underline {
    display: flex;
    border-bottom: 2px solid var(--color-gray-light);
    gap: 0;
    background: none;
    padding: 0;
    border-radius: 0;
}

.tab-underline {
    padding: 16px 24px;
    border-bottom: 3px solid transparent;
    margin-bottom: -2px;
    border-radius: 0;
    background: none;
}

.tab-underline:hover {
    background: none;
    border-bottom-color: var(--color-gray-light);
}

.tab-underline.active {
    border-bottom-color: var(--color-primary);
    color: var(--color-primary);
    background: none;
    box-shadow: none;
}

/* =========================================================
   ALERTS
   ========================================================= */

.alert {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-md);
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
}

.alert-icon {
    flex-shrink: 0;
    width: 20px;
    height: 20px;
}

.alert-content {
    flex: 1;
}

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

.alert-success {
    background: rgba(var(--color-success-rgb), 0.1);
    color: var(--color-success);
    border: 1px solid rgba(var(--color-success-rgb), 0.2);
}

.alert-warning {
    background: rgba(var(--color-warning-rgb), 0.1);
    color: #996600;
    border: 1px solid rgba(var(--color-warning-rgb), 0.2);
}

.alert-danger {
    background: rgba(var(--color-danger-rgb), 0.1);
    color: var(--color-danger);
    border: 1px solid rgba(var(--color-danger-rgb), 0.2);
}

.alert-info {
    background: rgba(var(--color-primary-rgb), 0.1);
    color: var(--color-primary);
    border: 1px solid rgba(var(--color-primary-rgb), 0.2);
}

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

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

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

.table th,
.table td {
    padding: var(--space-sm) var(--space-md);
    text-align: left;
    border-bottom: 1px solid var(--color-gray-light);
}

.table th {
    background: var(--color-off-white);
    font-weight: var(--font-semibold);
    color: var(--color-gray-dark);
    white-space: nowrap;
}

.table tbody tr:hover {
    background: var(--color-off-white);
}

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

/* =========================================================
   DROPDOWN
   ========================================================= */

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

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    min-width: 180px;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-light);
    padding: var(--space-xs) 0;
    z-index: var(--z-dropdown);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: all var(--transition-fast);
}

.dropdown.open .dropdown-menu,
.dropdown:focus-within .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(4px);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    color: var(--color-gray-dark);
    text-decoration: none;
    font-size: var(--text-sm);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.dropdown-item:hover {
    background: var(--color-off-white);
    color: var(--color-primary);
}

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

/* =========================================================
   MODAL
   ========================================================= */

.modal-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal-backdrop);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal-backdrop.open {
    opacity: 1;
    visibility: visible;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.95);
    background: var(--color-white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: var(--z-modal);
    width: 90%;
    max-width: 500px;
    max-height: 90vh;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-base);
}

.modal.open {
    opacity: 1;
    visibility: visible;
    transform: translate(-50%, -50%) scale(1);
}

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

.modal-title {
    font-family: var(--font-heading);
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    padding: var(--space-xs);
    cursor: pointer;
    color: var(--color-gray);
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.modal-close:hover {
    background: var(--color-off-white);
    color: var(--color-black);
}

.modal-body {
    padding: var(--space-lg);
    overflow-y: auto;
    max-height: calc(90vh - 140px);
}

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

/* =========================================================
   EMPTY STATE
   ========================================================= */

.empty-state {
    text-align: center;
    padding: var(--space-2xl);
}

.empty-state-icon {
    width: 64px;
    height: 64px;
    color: var(--color-gray-light);
    margin-bottom: var(--space-md);
}

.empty-state-title {
    font-size: var(--text-lg);
    font-weight: var(--font-semibold);
    color: var(--color-black);
    margin-bottom: var(--space-sm);
}

.empty-state-description {
    color: var(--color-gray);
    margin-bottom: var(--space-lg);
}

/* =========================================================
   LOADING SPINNER
   ========================================================= */

.spinner {
    width: 24px;
    height: 24px;
    border: 3px solid var(--color-gray-light);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.spinner-sm {
    width: 16px;
    height: 16px;
    border-width: 2px;
}

.spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* =========================================================
   AVATAR
   ========================================================= */

.avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: var(--color-primary-light);
    color: var(--color-white);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-bold);
    font-size: var(--text-sm);
}

.avatar-sm { width: 32px; height: 32px; font-size: var(--text-xs); }
.avatar-lg { width: 56px; height: 56px; font-size: var(--text-lg); }
.avatar-xl { width: 80px; height: 80px; font-size: var(--text-2xl); }

.avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}