:root {
    --bg-color: #f8fafc; --col-bg: #e2e8f080; --card-bg: #ffffff;
    --primary: #6366f1; --primary-hover: #4f46e5; --danger: #ef4444; --danger-hover: #dc2626;
    --text-main: #0f172a; --text-muted: #64748b; --border-color: #e2e8f0;
    --input-bg: #ffffff; --tag-bg: #e0e7ff; --tag-color: #4f46e5;
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

[data-theme="dark"] {
    --bg-color: #0f172a; --col-bg: #1e293b80; --card-bg: #1e293b;
    --primary: #818cf8; --primary-hover: #a5b4fc; --danger: #f87171; --danger-hover: #fca5a5;
    --text-main: #f8fafc; --text-muted: #94a3b8; --border-color: #334155;
    --input-bg: #0f172a; --tag-bg: #312e81; --tag-color: #818cf8;
}

body { font-family: var(--font-family); background-color: var(--bg-color); color: var(--text-main); margin: 0; padding: 0; transition: background-color 0.3s, color 0.3s; height: 100vh; display: flex; flex-direction: column; overflow-x: hidden; }

.brand-title { margin: 0; font-size: 28px; font-weight: 800; letter-spacing: -1px; color: var(--text-main); }
.brand-title span { color: var(--primary); }

header { display: flex; justify-content: space-between; align-items: center; padding: 20px 40px; margin-bottom: 10px; gap: 20px; flex-wrap: wrap; background: rgba(255, 255, 255, 0.05); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border-color); position: relative; z-index: 100; }

.search-container { position: relative; flex-grow: 1; max-width: 450px; }
.search-bar { width: 100%; box-sizing: border-box; padding: 12px 20px; border: 1px solid var(--border-color); border-radius: 30px; font-size: 14px; outline: none; transition: all 0.2s; background-color: var(--input-bg); color: var(--text-main); box-shadow: inset 0 2px 4px rgba(0,0,0,0.02); }
.search-bar:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2); }

button { border: none; padding: 10px 18px; border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 14px; transition: all 0.2s ease; font-family: inherit; }
button.primary-btn { background-color: var(--primary); color: white; width: 100%; box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.3); }
button.primary-btn:hover { background-color: var(--primary-hover); transform: translateY(-1px); box-shadow: 0 6px 8px -1px rgba(99, 102, 241, 0.4); }
button.primary-btn.auto-width { width: auto; }
button.danger-btn { background-color: transparent; color: var(--danger); border: 1px solid var(--danger); }
button.danger-btn:hover { background-color: rgba(239, 68, 68, 0.1); }
button.secondary-btn { background-color: transparent; color: var(--text-main); border: 1px solid var(--border-color); }
button.secondary-btn:hover { background-color: var(--border-color); }
button.primary-btn#filterMyTasksBtn { box-shadow: inset 0 2px 4px rgba(0,0,0,0.2); }

#app-view { display: none; flex-grow: 1; display: flex; flex-direction: column; }
.board { display: flex; gap: 24px; align-items: stretch; padding: 10px 40px 40px 40px; flex-grow: 1; }

.empty-state { display: none; flex-direction: column; align-items: center; justify-content: center; width: 100%; height: 60vh; text-align: center; color: var(--text-muted); }
.empty-state h2 { color: var(--text-main); margin-top: 0; font-weight: 800; font-size: 24px; }

.column { background-color: var(--col-bg); border-radius: 16px; width: 33.333%; padding: 20px; box-sizing: border-box; display: flex; flex-direction: column; border: 1px solid var(--border-color); backdrop-filter: blur(8px); transition: border-color 0.3s; }
.column-header { font-weight: 700; font-size: 15px; color: var(--text-main); margin-bottom: 16px; display: flex; justify-content: space-between; align-items: center; transition: color 0.3s; }
.task-count { background: var(--card-bg); color: var(--text-muted); padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; border: 1px solid var(--border-color); transition: all 0.3s;}
.task-container { display: flex; flex-direction: column; gap: 12px; flex-grow: 1; min-height: 100px; }

/* WIP Limit waarschuwing */
.wip-warning .column-header { color: var(--danger); }
.wip-warning .task-count { background: var(--danger); color: white; border-color: var(--danger); }
.wip-warning.column { border-color: rgba(239, 68, 68, 0.4); box-shadow: 0 0 15px rgba(239, 68, 68, 0.1); }

.card { background-color: var(--card-bg); border-radius: 12px; padding: 18px; box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.05); cursor: grab; transition: all 0.2s ease; display: flex; flex-direction: column; gap: 12px; border: 1px solid var(--border-color); position: relative; }
.card:hover { transform: translateY(-3px); box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1); border-color: var(--primary); }
.card:active { cursor: grabbing; transform: scale(0.98); }
.card-header { display: flex; justify-content: space-between; align-items: center; font-size: 12px; color: var(--text-muted); }
.card-id-wrapper { display: flex; align-items: center; gap: 6px; }
.card-id { font-weight: 700; color: var(--text-muted); }
.badges { display: flex; gap: 6px; flex-wrap: wrap; justify-content: flex-end; align-items: center; }
.tag { padding: 4px 10px; border-radius: 6px; font-weight: 600; font-size: 11px; white-space: nowrap; }

.card-avatar { width: 24px; height: 24px; border-radius: 50%; background-color: var(--primary); background-size: cover; background-position: center; color: white; display: flex; justify-content: center; align-items: center; font-size: 11px; font-weight: 800; box-shadow: 0 1px 3px rgba(0,0,0,0.1); border: 2px solid var(--card-bg); }

.prio-high { background-color: rgba(239, 68, 68, 0.1); color: var(--danger); }
.prio-medium { background-color: rgba(245, 158, 11, 0.1); color: #d97706; }
[data-theme="dark"] .prio-medium { color: #fbbf24; }
.prio-low { background-color: var(--col-bg); color: var(--text-muted); }
.card-title { font-size: 16px; font-weight: 600; line-height: 1.4; padding-right: 28px; }
.card-footer { font-size: 12px; color: var(--text-muted); display: flex; flex-direction: column; gap: 8px; font-weight: 600; }
.card.card-done { opacity: 0.5; box-shadow: none; }
.card.card-done:hover { transform: none; opacity: 0.8; border-color: var(--border-color); }
.card.card-done .card-title { text-decoration: line-through; color: var(--text-muted); }

/* Progress bar checklist */
.progress-wrapper { width: 100%; background-color: var(--col-bg); border-radius: 4px; height: 6px; overflow: hidden; margin-top: 4px; }
.progress-fill { height: 100%; background-color: var(--primary); transition: width 0.3s ease; }
.progress-fill.complete { background-color: #10b981; /* Groen als 100% */ }
.checklist-info { display: flex; justify-content: space-between; font-size: 11px; }

.modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(15, 23, 42, 0.6); backdrop-filter: blur(4px); justify-content: center; align-items: center; z-index: 1000; }
.modal { background: var(--card-bg); padding: 40px; border-radius: 20px; width: 650px; max-width: 90%; max-height: 85vh; overflow-y: auto; box-shadow: 0 25px 50px -12px rgba(0,0,0,0.25); position: relative; color: var(--text-main); border: 1px solid var(--border-color); }
.modal h2 { margin-top: 0; margin-bottom: 24px; font-weight: 800; font-size: 22px; }
.close-btn { position: absolute; top: 24px; right: 24px; background: var(--col-bg); border: none; width: 36px; height: 36px; border-radius: 50%; font-size: 20px; cursor: pointer; color: var(--text-muted); display: flex; justify-content: center; align-items: center; transition: all 0.2s; }
.close-btn:hover { background: var(--danger); color: white; transform: rotate(90deg); }

.form-group { margin-bottom: 20px; text-align: left; }
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.form-group label { display: block; margin-bottom: 8px; font-size: 13px; font-weight: 700; color: var(--text-muted); }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 12px 14px; border: 1px solid var(--border-color); border-radius: 8px; box-sizing: border-box; font-family: inherit; font-size: 14px; background-color: var(--input-bg); color: var(--text-main); transition: all 0.2s; box-shadow: inset 0 2px 4px rgba(0,0,0,0.02); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { border-color: var(--primary); outline: none; box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2); }

.header-actions { display: flex; gap: 16px; align-items: center; }

/* Custom Dropdowns (User & Project) */
.user-dropdown-container, .custom-dropdown-container { position: relative; display: inline-block; }
.user-dropdown-btn, .custom-dropdown-btn { background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 30px; color: var(--text-main); display: flex; align-items: center; gap: 12px; padding: 6px 6px 6px 16px; font-weight: 600; font-family: inherit; font-size: 14px; cursor: pointer;}
.user-dropdown-btn:hover, .custom-dropdown-btn:hover { border-color: var(--primary); }
.custom-dropdown-btn { border-radius: 8px; padding: 10px 16px; gap: 24px; box-shadow: 0 2px 4px rgba(0,0,0,0.02); }

.avatar { width: 28px; height: 28px; border-radius: 50%; background-color: var(--primary); background-size: cover; background-position: center; color: white; display: flex; justify-content: center; align-items: center; font-size: 12px; font-weight: 800; }

.user-dropdown-menu, .custom-dropdown-menu { display: none; position: absolute; right: 0; top: 100%; margin-top: 10px; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 12px; box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); flex-direction: column; min-width: 200px; z-index: 1000; overflow: hidden; padding: 8px; }
.custom-dropdown-menu { right: auto; left: 0; min-width: 250px; }
.user-dropdown-menu.show, .custom-dropdown-menu.show { display: flex; }
.user-dropdown-item, .custom-dropdown-item { background: none; border: none; padding: 10px 12px; text-align: left; width: 100%; border-radius: 6px; cursor: pointer; color: var(--text-main); font-size: 13px; font-weight: 600; transition: background 0.2s;}
.user-dropdown-item:hover, .custom-dropdown-item:hover { background: var(--col-bg); }

#auth-view { display: flex; justify-content: center; align-items: center; height: 100vh; background-color: var(--bg-color); width: 100%; }
.auth-card { background: var(--card-bg); padding: 48px; border-radius: 24px; box-shadow: 0 20px 25px -5px rgba(0,0,0,0.1); width: 100%; max-width: 420px; text-align: center; border: 1px solid var(--border-color); }
.auth-switch { margin-top: 24px; font-size: 13px; color: var(--primary); cursor: pointer; font-weight: 600; }
.auth-switch:hover { text-decoration: underline; }

.link-search-dropdown { display: none; position: absolute; top: 100%; left: 0; width: 100%; background: var(--card-bg); border: 1px solid var(--border-color); border-radius: 8px; box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1); max-height: 250px; overflow-y: auto; z-index: 10; margin-top: 4px; }
.link-search-item { padding: 12px 14px; cursor: pointer; border-bottom: 1px solid var(--border-color); font-size: 13px; font-weight: 500; color: var(--text-main); }
.link-search-item:hover { background: var(--col-bg); color: var(--primary); }
.link-search-item:last-child { border-bottom: none; }

.custom-tag { background: var(--col-bg); color: var(--text-muted); border: 1px solid var(--border-color); padding: 4px 10px; border-radius: 20px; font-size: 12px; font-weight: 700; }
.checklist-item-input { display: flex; gap: 8px; margin-bottom: 8px; }
.checklist-item-input input { flex-grow: 1; }
.checklist-remove-btn { background: none; border: none; color: var(--danger); font-size: 18px; cursor: pointer; padding: 0 8px; }
.checklist-view-item { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 10px; padding: 12px; background: var(--col-bg); border-radius: 8px; font-weight: 500; border: 1px solid transparent; transition: border 0.2s; }
.checklist-view-item:hover { border-color: var(--border-color); }
.checklist-view-item input[type="checkbox"] { margin-top: 4px; transform: scale(1.2); cursor: pointer; accent-color: var(--primary); }
.checklist-view-item span.done { text-decoration: line-through; color: var(--text-muted); }
.detail-row { margin-bottom: 24px; }
.detail-label { font-size: 12px; color: var(--text-muted); font-weight: 700; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 8px; }
.detail-value { font-size: 14px; line-height: 1.6; }
.modal-footer { display: flex; justify-content: flex-end; gap: 12px; margin-top: 40px; border-top: 1px solid var(--border-color); padding-top: 24px; }
.modal-footer.space-between { justify-content: space-between; }
.link-tag { display: inline-block; background: var(--tag-bg); color: var(--tag-color); padding: 6px 12px; border-radius: 20px; font-size: 12px; font-weight: 700; margin-right: 6px; margin-top: 6px; cursor: pointer; transition: all 0.2s; }
.link-tag:hover { transform: translateY(-1px); box-shadow: 0 4px 6px -1px rgba(99, 102, 241, 0.2); }

.story-points { background: var(--col-bg); color: var(--text-main); font-weight: 800; border-radius: 50%; width: 26px; height: 26px; display: flex; justify-content: center; align-items: center; font-size: 11px; border: 1px solid var(--border-color); position: absolute; right: 16px; top: 50px; }
.comment-bubble { background: var(--col-bg); padding: 14px; border-radius: 12px; margin-bottom: 12px; border: 1px solid var(--border-color); }
.comment-header { font-size: 11px; color: var(--text-muted); margin-bottom: 6px; display: flex; justify-content: space-between; font-weight: 600; }
.comment-text { font-size: 13px; color: var(--text-main); line-height: 1.5; white-space: pre-wrap; }

/* Lijst in admin beheer */
.admin-project-item { display: flex; justify-content: space-between; align-items: center; padding: 12px; border: 1px solid var(--border-color); border-radius: 8px; background: var(--card-bg); }
.admin-project-item .info { display: flex; flex-direction: column; gap: 4px; }
.admin-project-item .actions { display: flex; gap: 8px; }