/* --- DARK MODE CONFIGURATIE (VARIABELEN) --- */
:root {
    /* Standaard Kleuren (Light Mode) */
    --deadlines-bg: #ffffff;
    --deadlines-container-margin: 15px 40px;
    --deadlines-border-color: #e2e8f0;
    --deadlines-text-main: #1e293b;
    --deadlines-text-muted: #64748b;
    --deadlines-header-border: #333333;
    --body-bg: #ffffff;

    /* Stat Card Kleuren - Light */
    --color-total-bg: #f1f3f5;
    --color-upcoming-bg: #e0f2fe;
    --color-today-bg: #fef3c7;
    --color-expired-bg: #fee2e2;
    --color-completed-bg: #f0fdf4;

    /* Accent Kleuren - Light */
    --accent-blue: #54c3ea;
    --accent-green: #22c55e;
    --accent-red: #ef4444;
}

/* Systeem-gebaseerde Dark Mode */
@media (prefers-color-scheme: dark) {
    :root:not(.light-mode-forced) {
        --deadlines-bg: #161c24;
        --deadlines-text-main: #f1f1f1;
        --deadlines-text-muted: #919eab;
        --deadlines-border-color: #2d333b;
        --body-bg: #161c24;

        /* Stat Card Kleuren - Dark (diepe navy tinten) */
        --color-total-bg: #1c252e;
        --color-upcoming-bg: #102a43;
        --color-today-bg: #513c06;
        --color-expired-bg: #4c1010;
        --color-completed-bg: #0a2e1a;

        /* Gevraagde accentkleur voor Dark Mode */
        --accent-blue: #3BA7D9;
    }
}

/* Handmatige Dark Mode (via settings gekozen) */
body.dark-mode {
    --deadlines-bg: #161c24;
    --deadlines-text-main: #f1f1f1;
    --deadlines-text-muted: #919eab;
    --deadlines-border-color: #2d333b;
    --body-bg: #161c24;

    --color-total-bg: #1c252e;
    --color-upcoming-bg: #102a43;
    --color-today-bg: #513c06;
    --color-expired-bg: #4c1010;
    --color-completed-bg: #0a2e1a;

    --accent-blue: #3BA7D9;
}

/* --- CONTAINER & LAYOUT --- */
.deadlines-container {
    margin: var(--deadlines-container-margin);
    padding: 15px 40px;
    height: calc(100vh - 120px);
    height: calc(100dvh - 120px);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    background-color: var(--body-bg);
    transition: background-color 0.3s ease;
}

/* Header sectie */
.deadlines-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin-bottom: 30px;
    gap: 20px;
    border-bottom: 1px solid var(--deadlines-header-border);
    padding: 10px;
    flex-shrink: 0;
}

.title-wrap h1 {
    font-size: 2.2rem;
    margin: 0;
    color: var(--deadlines-text-main);
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.deadline-search-bar {
    width: 250px;
    margin-top: 0 !important;
}

/* Stats Grid & Cards */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-bottom: 30px;
    flex-shrink: 0;
}

.stat-card-deadlines {
    padding: 20px;
    border-radius: 16px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
    cursor: pointer;
    border: 2px solid transparent;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.3s ease;
}

.stat-card-deadlines:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 15px rgba(0,0,0,0.05);
}

.stat-card-deadlines.active {
    border-color: var(--accent-blue) !important;
}

.stat-total { background-color: var(--color-total-bg); }
.stat-upcoming { background-color: var(--color-upcoming-bg); }
.stat-today { background-color: var(--color-today-bg); }
.stat-expired { background-color: var(--color-expired-bg); }

.stat-card span {
    font-size: 0.85rem;
    color: var(--deadlines-text-muted);
    font-weight: 600;
    text-transform: uppercase;
}

.stat-value {
    font-size: 2.2rem;
    font-weight: 800;
    margin-top: 10px;
    color: var(--deadlines-text-main);
}

/* List Container & Scrolling */
.deadline-list-card {
    flex: 1;
    min-height: 0;
    background: var(--deadlines-bg);
    border-radius: 20px;
    border: 1px solid var(--deadlines-border-color);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.05);
    margin: 0 10px 10px 10px;
    display: flex;
    flex-direction: column;
    overflow: hidden;
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.deadline-rows-scroll-area {
    overflow-y: auto;
    flex: 1;
    display: flex;
    flex-direction: column;
}

/* Empty State - Volledige div vullen */
.empty-state-full-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--deadlines-text-muted);
    width: 100%;
}

.empty-state-full-container i {
    font-size: 5rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

/* Deadline Rijen & Statussen */
.deadline-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 30px;
    border-bottom: 1px solid var(--deadlines-border-color);
    transition: background 0.2s;
    border-left: 5px solid transparent;
}

.deadline-row:hover {
    background-color: rgba(0, 0, 0, 0.02);
}

body.dark-mode .deadline-row:hover {
    background-color: rgba(255, 255, 255, 0.02);
}

/* Status: Voltooid */
.deadline-row.completed {
    background-color: var(--color-completed-bg) !important;
    border-left: 5px solid var(--accent-green) !important;
    opacity: 0.8;
}

.deadline-row.completed .deadline-name {
    text-decoration: line-through;
    color: var(--deadlines-text-muted);
}

/* Status: Verlopen */
.deadline-row.expired-item {
    border-left: 5px solid var(--accent-red);
    background-color: var(--color-expired-bg);
}

.deadline-name {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--deadlines-text-main);
}

.deadline-desc-sub {
    font-size: 0.85rem;
    color: var(--deadlines-text-muted);
    margin: 4px 0;
}

.deadline-meta {
    font-size: 0.85rem;
    color: var(--deadlines-text-muted);
}

/* Acties & Tooltips */
.deadline-actions {
    display: flex;
    gap: 12px;
}

.deadline-actions button {
    width: 42px;
    height: 42px;
    border-radius: 12px;
    border: none;
    background: var(--color-total-bg);
    color: var(--deadlines-text-main);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.deadline-actions button:hover::after {
    content: attr(data-tooltip);
    position: absolute;
    bottom: 125%;
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: white;
    padding: 6px 10px;
    border-radius: 6px;
    font-size: 0.7rem;
    white-space: nowrap;
    z-index: 1000;
    pointer-events: none;
}

/* Tooltip correctie voor bovenste rijen */
.deadline-row:nth-child(-n+2) .deadline-actions button:hover::after {
    bottom: auto;
    top: 125%;
}

.btn-status-toggle:hover { background-color: var(--accent-green) !important; color: white !important; }
.btn-edit:hover { background-color: var(--accent-blue) !important; color: white !important; }
.btn-del:hover { background-color: var(--accent-red) !important; color: white !important; }

/* RESPONSIVE DESIGN */

@media (max-width: 1024px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
    .deadlines-container { margin: 15px 25px; padding: 15px 20px; }
}

@media (max-width: 768px) {
    .deadlines-container {
        margin: 5px;
        padding: 10px;
        height: auto !important; /* Forceer auto hoogte op mobiel */
        min-height: 100vh;
        overflow: visible !important;
    }

    /* FIX: Laat de list-card ook uitrekken in plaats van een scrollbar binnenin */
    .deadline-list-card {
        flex: none;
        height: auto !important;
        overflow: visible !important;
        margin: 10px 0;
    }

    .deadlines-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 15px;
        margin-bottom: 20px;
    }

    .title-wrap h1 { font-size: 1.8rem; }

    .header-actions {
        width: 100%;
        flex-direction: column;
    }

    .deadline-search-bar { width: 100%; max-width: none; }

    .btn-primary { width: 100%; }

    .deadline-row {
        flex-direction: column;
        align-items: flex-start;
        padding: 15px;
        gap: 15px;
    }

    .deadline-actions {
        width: 100%;
        justify-content: flex-start;
        border-top: 1px solid var(--deadlines-border-color);
        padding-top: 12px;
    }
}

@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr; }
}