/* ============================================================================
   ROOT & VARIABLES
   ============================================================================ */
:root {
    --primary: #6366f1;
    --primary-light: #e0e7ff;
    --primary-dark: #4f46e5;

    --success: #22c55e;
    --warning: #f59e0b;
    --danger: #ef4444;

    --priority-high: #ef4444;
    --priority-medium: #f59e0b;
    --priority-low: #22c55e;

    --bg-primary: #ffffff;
    --bg-secondary: #f9fafb;
    --bg-tertiary: #f3f4f6;

    --text-primary: #1f2937;
    --text-secondary: #6b7280;
    --text-tertiary: #9ca3af;

    --border: #e5e7eb;
    --border-light: #f3f4f6;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);

    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;

    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;

    --transition: all 0.2s ease;
    --transition-slow: all 0.3s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* ============================================================================
   GENERAL STYLES
   ============================================================================ */
html, body {
    width: 100%;
    min-height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

body {
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 100vh;
    height: auto;
}

#app {
    width: 100%;
    min-height: 100vh;
}

/* ============================================================================
   LOGIN SCREEN
   ============================================================================ */
.login-screen {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-slow);
    z-index: 1000;
}

.login-screen.active {
    opacity: 1;
    pointer-events: auto;
}

.login-container {
    background: var(--bg-primary);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    max-width: 400px;
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.login-header {
    text-align: center;
    margin-bottom: var(--spacing-2xl);
}

.login-header h1 {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: var(--spacing-xs);
}

.login-header p {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.login-divider {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 0.9rem;
    position: relative;
    margin: var(--spacing-sm) 0;
}

/* ============================================================================
   FORMS & INPUTS
   ============================================================================ */
.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.form-group label {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-primary);
}

input[type="text"],
input[type="password"],
input[type="email"],
input[type="date"],
input[type="time"],
textarea,
select {
    padding: var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    transition: var(--transition);
}

input[type="text"]:focus,
input[type="password"]:focus,
input[type="email"]:focus,
input[type="date"]:focus,
input[type="time"]:focus,
textarea:focus,
select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

textarea {
    resize: vertical;
    min-height: 80px;
}

select {
    cursor: pointer;
}

/* ============================================================================
   BUTTONS
   ============================================================================ */
.btn {
    padding: var(--spacing-md) var(--spacing-lg);
    border: none;
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    white-space: nowrap;
    text-decoration: none;
    user-select: none;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    box-shadow: var(--shadow-md);
}

.btn-primary:active {
    transform: scale(0.98);
}

.btn-secondary {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border);
}

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

.btn-secondary:active {
    transform: scale(0.98);
}

.btn-danger {
    background-color: #fee2e2;
    color: var(--danger);
    border: 1px solid #fecaca;
}

.btn-danger:hover {
    background-color: #fecaca;
}

.btn-small {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.95rem;
}

.btn-icon {
    background: none;
    border: none;
    color: var(--text-primary);
    cursor: pointer;
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

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

/* ============================================================================
   MAIN APP LAYOUT
   ============================================================================ */
.main-app {
    display: flex;
    min-height: 100vh;
    width: 100%;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-slow);
}

.main-app.active {
    opacity: 1;
    pointer-events: auto;
}

.top-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: 64px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    padding: 0 var(--spacing-lg);
    z-index: 100;
    box-shadow: var(--shadow-sm);
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-primary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.menu-toggle:hover {
    background-color: var(--bg-tertiary);
}

.app-title {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    flex-shrink: 0;
    min-width: fit-content;
}

.top-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-left: auto;
}

.search-bar {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--radius-md);
    border: 1px solid var(--border);
    flex: 1;
    max-width: 300px;
}

.search-bar input {
    flex: 1;
    border: none;
    background: transparent;
    color: var(--text-primary);
    font-size: 0.95rem;
}

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

.search-bar input:focus {
    outline: none;
}

.search-bar svg {
    color: var(--text-tertiary);
    flex-shrink: 0;
}

.user-menu-btn {
    background: none;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    padding: var(--spacing-sm);
}

/* ============================================================================
   SIDEBAR
   ============================================================================ */
.sidebar {
    width: 260px;
    background: var(--bg-primary);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding-top: 64px;
    padding-bottom: var(--spacing-lg);
    overflow-y: auto;
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    z-index: 50;
    transition: transform 0.3s ease;
}

.sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-sm) var(--spacing-md);
    border-bottom: 1px solid var(--border);
}

.sidebar-header h2 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: var(--spacing-xs) var(--spacing-sm);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-sm);
    background: transparent;
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    color: var(--text-secondary);
    font-size: 0.9rem;
    font-weight: 500;
    transition: var(--transition);
    text-align: left;
}

.nav-item:hover {
    background-color: var(--bg-tertiary);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--primary-light);
    color: var(--primary);
}

.nav-item.subcategory {
    padding-left: 28px;
    font-size: 0.84rem;
    opacity: 0.9;
}

.nav-item.subcategory .category-dot {
    width: 7px;
    height: 7px;
}

.nav-icon {
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
}

.category-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    flex-shrink: 0;
}

.sidebar-section {
    padding: var(--spacing-sm) 0;
    border-top: 1px solid var(--border);
}

.sidebar-section-title {
    padding: 0 var(--spacing-sm) var(--spacing-xs);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    color: var(--text-tertiary);
    letter-spacing: 0.5px;
}

.add-category-btn {
    margin: var(--spacing-lg) var(--spacing-md) 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border: 1px dashed var(--border);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.add-category-btn:hover {
    background-color: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

/* ============================================================================
   MAIN CONTENT
   ============================================================================ */
.main-content {
    margin-left: 260px;
    margin-top: 64px;
    flex: 1;
    display: flex;
    flex-direction: column;
    min-height: calc(100vh - 64px);
    padding-bottom: 120px;
}

.quick-actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.date-selector {
    display: flex;
    align-items: center;
}

.date-input {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    font-size: 0.95rem;
}

.filter-select {
    padding: var(--spacing-sm) var(--spacing-md);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    background-color: var(--bg-primary);
    cursor: pointer;
}

.plan-day-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.plan-day-btn:hover {
    background: var(--primary-light);
    border-color: var(--primary);
    color: var(--primary);
}

/* ============================================================================
   EMAIL DROPZONE
   ============================================================================ */
.email-dropzone {
    margin: var(--spacing-lg);
    padding: var(--spacing-2xl);
    border: 2px dashed var(--border);
    border-radius: var(--radius-lg);
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    color: var(--text-tertiary);
}

.email-dropzone.active {
    display: flex;
}

.email-dropzone:hover,
.email-dropzone.dragover {
    border-color: var(--primary);
    background-color: var(--primary-light);
    color: var(--primary);
}

.email-dropzone svg {
    opacity: 0.6;
}

.email-dropzone p {
    font-size: 0.95rem;
}

/* ============================================================================
   TASKS CONTAINER
   ============================================================================ */
.tasks-container {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    padding-bottom: 100px;
}

.tasks-section {
    margin-bottom: var(--spacing-md);
}

.section-title {
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.tasks-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

/* ============================================================================
   TASK ITEM
   ============================================================================ */
.task-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    transition: var(--transition);
    cursor: pointer;
}

.task-item:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    background: rgba(99, 102, 241, 0.02);
}

.task-item.completed {
    opacity: 0.6;
}

.task-item.completed .task-title {
    text-decoration: line-through;
    color: var(--text-tertiary);
}

/* In behandeling - oranje accent */
.task-item.in-progress {
    border-left: 4px solid #f59e0b;
    background: #fffbeb;
}

.in-progress-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: #fef3c7;
    color: #b45309;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
}

/* Progress toggle knop op taakkaart */
.progress-toggle-btn:hover {
    filter: brightness(0.9);
    transform: scale(1.05);
    transition: all 0.15s ease;
}

.task-checkbox {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    cursor: pointer;
    -webkit-appearance: none;
    appearance: none;
    border: 2px solid var(--primary);
    border-radius: 50%;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    position: relative;
    top: 2px;
}

.task-checkbox:hover {
    border-color: var(--primary-dark);
    background: var(--primary-light);
}

.task-checkbox:checked {
    background: var(--primary);
    border-color: var(--primary);
}

.task-checkbox:checked::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 14px;
    font-weight: bold;
    animation: checkMark 0.3s ease;
}

@keyframes checkMark {
    0% {
        transform: scale(0);
    }
    50% {
        transform: scale(1.2);
    }
    100% {
        transform: scale(1);
    }
}

.task-content {
    flex: 1;
    min-width: 0;
}

.task-header {
    display: flex;
    align-items: baseline;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    flex-wrap: wrap;
}

.task-title {
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary);
    word-break: break-word;
}

.task-badges {
    display: flex;
    gap: var(--spacing-sm);
    flex-wrap: wrap;
}

.priority-badge {
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.priority-badge.hoog {
    background: #fee2e2;
    color: var(--priority-high);
}

.priority-badge.midden {
    background: #fef3c7;
    color: var(--priority-medium);
}

.priority-badge.laag {
    background: #dcfce7;
    color: var(--priority-low);
}

.category-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    background: var(--bg-tertiary);
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.category-badge .dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.task-footer {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-top: var(--spacing-sm);
    color: var(--text-tertiary);
    font-size: 0.85rem;
}

.task-due-date {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Achterstallige taken - opvallend rood */
.task-item.overdue {
    border-left: 4px solid var(--danger);
    background: #fef2f2;
}

.task-item.overdue .task-due-date {
    color: var(--danger);
    font-weight: 600;
}

.overdue-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: #fee2e2;
    color: var(--danger);
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    animation: subtlePulse 2s infinite;
}

@keyframes subtlePulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.task-actions {
    display: flex;
    gap: var(--spacing-sm);
    opacity: 0;
    transition: var(--transition);
}

.task-item:hover .task-actions {
    opacity: 1;
}

.task-action-btn {
    background: none;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.task-action-btn:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

/* Task expanded inline detail */
.task-detail {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border);
}

.task-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* ============================================================================
   EMPTY STATE
   ============================================================================ */
.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl);
    text-align: center;
    color: var(--text-tertiary);
}

.empty-state svg {
    opacity: 0.3;
    margin-bottom: var(--spacing-lg);
}

.empty-state h3 {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-sm);
}

/* ============================================================================
   FLOATING ACTION BUTTON
   ============================================================================ */
.fab {
    position: fixed;
    bottom: var(--spacing-lg);
    right: var(--spacing-lg);
    width: 56px;
    height: 56px;
    background: var(--primary);
    color: white;
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    z-index: 40;
}

.fab:hover {
    background: var(--primary-dark);
    box-shadow: 0 15px 30px -5px rgba(99, 102, 241, 0.3);
    transform: scale(1.1);
}

.fab:active {
    transform: scale(0.95);
}

/* ============================================================================
   MODALS
   ============================================================================ */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-slow);
    z-index: 200;
}

.modal.active {
    opacity: 1;
    pointer-events: auto;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    max-height: 90vh;
    overflow-y: auto;
    width: 100%;
    max-width: 600px;
    animation: modalSlideIn 0.3s ease;
}

.modal-small {
    max-width: 400px;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-xl);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    background: var(--bg-primary);
    z-index: 1;
}

.modal-header h2 {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-tertiary);
    padding: var(--spacing-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.task-form,
.category-form {
    padding: var(--spacing-xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.priority-buttons {
    display: flex;
    gap: var(--spacing-md);
}

.priority-btn {
    flex: 1;
    padding: var(--spacing-md);
    border: 2px solid var(--border);
    border-radius: var(--radius-md);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
}

.priority-btn[data-priority="laag"]:hover,
.priority-btn[data-priority="laag"].selected {
    border-color: var(--priority-low);
    background: rgba(34, 197, 94, 0.1);
    color: var(--priority-low);
}

.priority-btn[data-priority="midden"]:hover,
.priority-btn[data-priority="midden"].selected {
    border-color: var(--priority-medium);
    background: rgba(245, 158, 11, 0.1);
    color: var(--priority-medium);
}

.priority-btn[data-priority="hoog"]:hover,
.priority-btn[data-priority="hoog"].selected {
    border-color: var(--priority-high);
    background: rgba(239, 68, 68, 0.1);
    color: var(--priority-high);
}

.color-picker {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(40px, 1fr));
    gap: var(--spacing-md);
}

.color-option {
    width: 40px;
    height: 40px;
    border: 3px solid transparent;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    background-clip: padding-box;
}

.color-option:hover,
.color-option.selected {
    border-color: var(--text-primary);
    transform: scale(1.1);
}

.form-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    margin-top: var(--spacing-lg);
    flex-wrap: wrap;
}

.modal-footer {
    padding: var(--spacing-lg) var(--spacing-xl);
    border-top: 1px solid var(--border);
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
}

/* ============================================================================
   USER MENU
   ============================================================================ */
.user-menu {
    position: fixed;
    top: 64px;
    right: var(--spacing-lg);
    width: 280px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-slow);
    z-index: 150;
}

.user-menu.active {
    opacity: 1;
    pointer-events: auto;
}

.user-menu-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.user-avatar,
.user-avatar-large {
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    font-weight: 600;
    border-radius: 50%;
}

.user-avatar {
    width: 32px;
    height: 32px;
    font-size: 0.9rem;
}

.user-avatar-large {
    width: 48px;
    height: 48px;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.user-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.user-email {
    font-size: 0.85rem;
    color: var(--text-tertiary);
}

.user-menu-item {
    width: 100%;
    padding: var(--spacing-lg);
    background: none;
    border: none;
    text-align: left;
    cursor: pointer;
    color: var(--text-primary);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: var(--transition);
    font-weight: 500;
}

.user-menu-item:hover {
    background: var(--bg-secondary);
    color: var(--danger);
}

/* ============================================================================
   TOAST NOTIFICATIONS
   ============================================================================ */
.toast {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: translateY(100px);
    pointer-events: none;
    transition: var(--transition-slow);
    z-index: 300;
    max-width: 300px;
    font-weight: 500;
}

.toast.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.toast.success {
    background: var(--success);
}

.toast.error {
    background: var(--danger);
}

.toast.warning {
    background: var(--warning);
}

/* ============================================================================
   RECORDING INDICATOR
   ============================================================================ */
.recording-indicator {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--text-primary);
    color: white;
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-slow);
    z-index: 250;
    box-shadow: var(--shadow-lg);
}

.recording-indicator.active {
    pointer-events: auto;
    opacity: 1;
}

.recording-pulse {
    width: 12px;
    height: 12px;
    background: var(--danger);
    border-radius: 50%;
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
        opacity: 1;
    }
    50% {
        transform: scale(1.3);
        opacity: 0.7;
    }
}

/* ============================================================================
   PLAN DAY MODAL
   ============================================================================ */
.plan-day-controls {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border);
}

.plan-day-task-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    cursor: pointer;
}

.plan-day-task-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.plan-day-task-item label {
    flex: 1;
    cursor: pointer;
    font-weight: 500;
    color: var(--text-primary);
}

/* ============================================================================
   CATEGORY MANAGEMENT
   ============================================================================ */
.category-list {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.category-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    transition: var(--transition);
}

.category-item:hover {
    background: var(--bg-tertiary);
}

.category-item-color {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    flex-shrink: 0;
}

.category-item-name {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
}

.category-item-actions {
    display: flex;
    gap: var(--spacing-sm);
}

.category-item-btn {
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-tertiary);
    padding: var(--spacing-sm);
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.category-item-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* ============================================================================
   TRANSCRIPTION MODAL
   ============================================================================ */
.transcription-content {
    padding: var(--spacing-xl);
    text-align: center;
}

.transcription-text {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    font-size: 1.1rem;
    color: var(--text-primary);
    line-height: 1.6;
}

/* ============================================================================
   SCROLLBAR STYLING
   ============================================================================ */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-primary);
}

::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ============================================================================
   RESPONSIVE DESIGN
   ============================================================================ */
@media (max-width: 1024px) {
    .search-bar {
        max-width: 200px;
    }

    .sidebar {
        transform: translateX(-100%);
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .menu-toggle {
        display: flex;
    }

    .main-content {
        margin-left: 0;
    }
}

@media (max-width: 768px) {
    .sidebar {
        width: 100%;
    }

    .top-nav {
        gap: var(--spacing-md);
    }

    .app-title {
        font-size: 1.3rem;
    }

    .search-bar {
        display: none;
    }

    .top-actions {
        margin-left: 0;
    }

    .quick-actions {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

    .quick-actions > * {
        width: 100%;
    }

    .filter-select,
    .date-input {
        width: 100%;
    }

    .modal-content {
        max-width: 90vw;
        max-height: 80vh;
    }

    .tasks-container {
        padding: var(--spacing-md);
    }

    .fab {
        bottom: calc(var(--spacing-lg) + env(safe-area-inset-bottom));
        right: calc(var(--spacing-lg) + env(safe-area-inset-right));
    }

    .login-container {
        width: 90vw;
        max-width: 400px;
    }

    .form-actions {
        flex-direction: column;
    }

    .form-actions .btn {
        width: 100%;
    }

    .priority-buttons {
        flex-direction: column;
    }

    .task-item {
        padding: var(--spacing-md);
    }

    .user-menu {
        right: var(--spacing-md);
        left: auto;
        width: calc(100% - var(--spacing-xl));
    }
}

@media (max-width: 480px) {
    :root {
        font-size: 14px;
    }

    .app-title {
        font-size: 1.1rem;
    }

    .login-header h1 {
        font-size: 1.5rem;
    }

    .modal-content {
        border-radius: 0;
    }

    .top-nav {
        padding: 0 var(--spacing-md);
    }

    .quick-actions {
        padding: var(--spacing-md);
    }

    .section-title {
        font-size: 1rem;
    }

    .task-item {
        gap: var(--spacing-sm);
    }

    .task-badges {
        margin-top: var(--spacing-sm);
    }

    .user-menu {
        top: 60px;
        right: 0;
        width: 100%;
        border-radius: 0;
    }
}

/* ============================================================================
   AGENDA VIEW - Tijdlijn design
   ============================================================================ */
.agenda-container {
    padding: 0;
    position: relative;
}

/* Tijdlijn verticale lijn */
.agenda-timeline {
    position: relative;
    padding-left: 80px;
}

.agenda-timeline::before {
    content: '';
    position: absolute;
    left: 36px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border);
}

/* Dag-blok */
.agenda-day {
    position: relative;
    margin-bottom: 24px;
    padding-bottom: 8px;
}

.agenda-day:last-child {
    margin-bottom: 8px;
}

/* Datumcirkel links */
.agenda-date-marker {
    position: absolute;
    left: -80px;
    top: 0;
    width: 72px;
    text-align: center;
}

.agenda-date-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--bg-primary);
    border: 2px solid var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.agenda-date-circle .day-num {
    font-size: 1.1rem;
    font-weight: 700;
    line-height: 1;
    color: var(--text-primary);
}

.agenda-date-circle .day-name {
    font-size: 0.55rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-tertiary);
    line-height: 1;
    margin-top: 1px;
}

/* Vandaag - paarse cirkel */
.agenda-day.is-today .agenda-date-circle {
    background: var(--primary);
    border-color: var(--primary);
}

.agenda-day.is-today .agenda-date-circle .day-num,
.agenda-day.is-today .agenda-date-circle .day-name {
    color: white;
}

/* Achterstallig - rode cirkel */
.agenda-day.is-overdue .agenda-date-circle {
    background: #fee2e2;
    border-color: var(--danger);
}

.agenda-day.is-overdue .agenda-date-circle .day-num {
    color: var(--danger);
}

.agenda-day.is-overdue .agenda-date-circle .day-name {
    color: var(--danger);
}

/* Dag-label (vandaag, morgen, etc) */
.agenda-date-label {
    font-size: 0.65rem;
    font-weight: 600;
    margin-top: 4px;
    color: var(--text-tertiary);
}

.agenda-day.is-today .agenda-date-label {
    color: var(--primary);
}

.agenda-day.is-overdue .agenda-date-label {
    color: var(--danger);
}

/* Taken rechts van de tijdlijn */
.agenda-tasks {
    display: flex;
    flex-direction: column;
    gap: 6px;
    padding: 6px 0;
    min-height: 48px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
}

.agenda-day:last-child .agenda-tasks {
    border-bottom: none;
    padding-bottom: 6px;
}

/* Compacte agenda-taakregel */
.agenda-task {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.88rem;
}

.agenda-task:hover {
    border-color: var(--primary);
    box-shadow: 0 2px 8px rgba(99, 102, 241, 0.1);
}

.agenda-task.is-in-progress {
    border-left: 3px solid #f59e0b;
    background: #fffbeb;
}

.agenda-task.is-overdue-task {
    border-left: 3px solid var(--danger);
    background: #fef2f2;
}

.agenda-task-check {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    -webkit-appearance: none;
    appearance: none;
    border: 2px solid var(--primary);
    border-radius: 50%;
    cursor: pointer;
    position: relative;
    transition: var(--transition);
}

.agenda-task-check:checked {
    background: var(--primary);
    border-color: var(--primary);
}

.agenda-task-check:checked::after {
    content: '✓';
    position: absolute;
    color: white;
    font-size: 11px;
    font-weight: bold;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.agenda-task-title {
    flex: 1;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.agenda-task-prio {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
}

.agenda-task-prio.hoog { background: var(--priority-high); }
.agenda-task-prio.midden { background: var(--priority-medium); }
.agenda-task-prio.laag { background: var(--priority-low); }

.agenda-task-cat {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    white-space: nowrap;
    max-width: 120px;
    overflow: hidden;
    text-overflow: ellipsis;
}

.agenda-task-status {
    font-size: 0.7rem;
    padding: 1px 6px;
    border-radius: 8px;
    font-weight: 600;
    white-space: nowrap;
}

.agenda-task-status.bezig {
    background: #fef3c7;
    color: #b45309;
}

/* Geen datum sectie */
.agenda-no-date-section {
    margin-top: 16px;
    padding-top: 16px;
    border-top: 1px dashed var(--border);
}

.agenda-no-date-header {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: 8px;
    padding-left: 4px;
}

/* Mobiel: kleiner tijdlijn */
@media (max-width: 768px) {
    .agenda-timeline {
        padding-left: 60px;
    }

    .agenda-timeline::before {
        left: 26px;
    }

    .agenda-date-marker {
        left: -60px;
        width: 52px;
    }

    .agenda-date-circle {
        width: 40px;
        height: 40px;
    }

    .agenda-date-circle .day-num {
        font-size: 0.95rem;
    }

    .agenda-date-circle .day-name {
        font-size: 0.5rem;
    }

    .agenda-task {
        padding: 6px 10px;
        font-size: 0.82rem;
    }

    .agenda-task-cat {
        display: none;
    }

    .agenda-day {
        margin-bottom: 20px;
    }
}

/* ============================================================================
   UTILITY CLASSES
   ============================================================================ */
.drag-over {
    opacity: 0.5;
}

.loading {
    opacity: 0.6;
    pointer-events: none;
}

.hidden {
    display: none !important;
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ============================================================================
   SCROLL & MOBILE FIXES
   ============================================================================ */

/* Body mag nu scrollen (was overflow:hidden) */
body {
    overflow: auto !important;
    overflow-x: hidden;
    min-height: 100vh;
    height: auto !important;
}

html {
    height: auto !important;
    overflow-x: hidden;
}

#app {
    min-height: 100vh;
    height: auto !important;
}

/* Main app container - flexibele hoogte */
.main-app {
    min-height: 100vh;
    height: auto !important;
    overflow: visible !important;
}

/* Main content kan scrollen */
.main-content {
    overflow: visible !important;
    min-height: calc(100vh - 64px);
    height: auto !important;
    padding-bottom: 100px; /* ruimte voor FAB knop onderaan */
}

/* Sidebar kan zelf scrollen op desktop */
@media (min-width: 769px) {
    .sidebar {
        height: 100vh;
    }
}

/* ============================================================================
   MOBILE RESPONSIVE - zorgt dat alles past zonder uitzoomen
   ============================================================================ */
@media (max-width: 768px) {
    body {
        font-size: 15px;
        overflow-x: hidden !important;
        width: 100vw !important;
    }

    .top-nav {
        padding: 0 12px !important;
        gap: 8px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .top-nav h1, .app-title {
        font-size: 18px !important;
    }

    #app, .main-app, .main-app.active {
        width: 100% !important;
        max-width: 100vw !important;
        overflow-x: hidden !important;
    }

    .main-content {
        margin-left: 0 !important;
        padding: 12px !important;
        padding-top: 12px !important;
        padding-bottom: 120px !important;
        width: 100% !important;
        max-width: 100vw !important;
        box-sizing: border-box !important;
        overflow-x: hidden !important;
    }

    .tasks-container {
        padding: 12px !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
    }

    .quick-actions {
        flex-wrap: wrap !important;
        gap: 8px !important;
        padding: 12px !important;
        width: 100% !important;
        box-sizing: border-box !important;
    }

    .quick-actions > * {
        flex: 1 1 auto;
        min-width: 0;
    }

    /* Zoekbalk vol breed */
    .search-container {
        width: 100% !important;
        max-width: none !important;
    }

    /* Taak cards niet wider dan scherm */
    .task-item, .card {
        max-width: 100% !important;
        box-sizing: border-box !important;
        overflow: hidden !important;
    }

    .section-title {
        padding-left: 0 !important;
        margin-left: 0 !important;
    }

    /* Modals passend op telefoon */
    .modal-content {
        max-width: 95vw !important;
        max-height: 90vh !important;
        overflow-y: auto !important;
    }

    /* FAB knop niet in de weg */
    .fab {
        bottom: 20px !important;
        right: 20px !important;
    }

    /* Sidebar als overlay op mobiel */
    .sidebar {
        position: fixed !important;
        top: 0;
        left: 0;
        height: 100vh !important;
        z-index: 200;
        transform: translateX(-100%);
        transition: transform 0.25s ease;
        width: min(280px, 85vw) !important;
    }

    .sidebar.active {
        transform: translateX(0);
        box-shadow: 4px 0 20px rgba(0,0,0,0.2);
    }
}

/* Kleine schermen - nog krappere spacing */
@media (max-width: 400px) {
    .main-content {
        padding: 8px !important;
        padding-bottom: 120px !important;
    }

    .tasks-container {
        padding: 8px !important;
    }

    .task-item {
        padding: 10px !important;
    }
}