:root {
    --bg-color: #0d1117;
    --card-bg: #161b22;
    --card-border: #30363d;
    --text-primary: #f0f6fc;
    
    /* Akcenty kolorystyczne */
    --matematyka: #38bdf8;
    --polski: #f87171;
    --angielski: #34d399;
    --mat-rozszerzona: #c084fc;
    --ang-rozszerzony: #fbbf24;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    width: 100%;
    max-width: 400px;
}

/* Nagłówek */
header {
    text-align: center;
    margin-bottom: 28px;
}

.badge {
    display: inline-block;
    padding: 4px 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--card-border);
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    color: #8b949e;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 10px;
}

header h1 {
    font-size: 1.75rem;
    font-weight: 700;
}

/* Przyciski */
.menu-glowne {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.btn {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    text-decoration: none;
    color: var(--text-primary);
    font-size: 1rem;
    font-weight: 600;
    transition: all 0.2s ease;
}

.btn svg {
    width: 20px;
    height: 20px;
    color: #8b949e;
    transition: color 0.2s ease;
}

/* Hover & Kolory */
.btn:hover {
    transform: translateX(4px);
}

.btn-matematyka:hover { border-color: var(--matematyka); }
.btn-matematyka:hover svg { color: var(--matematyka); }

.btn-polski:hover { border-color: var(--polski); }
.btn-polski:hover svg { color: var(--polski); }

.btn-angielski:hover { border-color: var(--angielski); }
.btn-angielski:hover svg { color: var(--angielski); }

.btn-mat-rozszerzona:hover { border-color: var(--mat-rozszerzona); }
.btn-mat-rozszerzona:hover svg { color: var(--mat-rozszerzona); }

.btn-ang-rozszerzony:hover { border-color: var(--ang-rozszerzony); }
.btn-ang-rozszerzony:hover svg { color: var(--ang-rozszerzony); }


/* --- Style dla Podstron --- */

.page-container {
    max-width: 600px;
}

.header-page {
    text-align: left;
    margin-bottom: 24px;
}

.back-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #8b949e;
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    margin-bottom: 16px;
    transition: color 0.2s ease;
}

.back-link:hover {
    color: var(--text-primary);
}

/* Karta paska postępu */
.overall-progress-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    padding: 16px 20px;
    border-radius: 12px;
    margin-top: 16px;
}

.progress-info {
    display: flex;
    justify-content: space-between;
    font-weight: 600;
    font-size: 0.95rem;
    margin-bottom: 10px;
}

.progress-bar-bg {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--matematyka);
    border-radius: 10px;
    transition: width 0.3s ease;
}

/* Akordiony (Działy) */
.acc-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.acc-item {
    background-color: var(--card-bg);
    border: 1px solid var(--card-border);
    border-radius: 12px;
    overflow: hidden;
}

.acc-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    font-weight: 600;
    cursor: pointer;
    user-select: none;
    list-style: none; /* Ukrywa domyślną strzałkę */
}

.acc-header::-webkit-details-marker {
    display: none;
}

.acc-title {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
}

.acc-arrow {
    width: 18px;
    height: 18px;
    color: #8b949e;
    transition: transform 0.2s ease;
}

/* Obrót strzałki po rozwinięciu */
.acc-item[open] .acc-arrow {
    transform: rotate(90deg);
}

.acc-count {
    font-size: 0.85rem;
    color: var(--matematyka);
    font-weight: 700;
}

/* Lista tematów wewnątrz działu */
.acc-content {
    padding: 8px 20px 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.topic-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 8px 0;
    cursor: pointer;
    font-size: 0.9rem;
    color: #c9d1d9;
}

.topic-item:hover {
    color: #fff;
}

/* Style dla checkboxa */
.topic-check {
    width: 18px;
    height: 18px;
    accent-color: var(--matematyka);
    cursor: pointer;
}

/* Kontener dla poziomu trudności i procentu w nagłówku działu */
.acc-meta {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Pozycjonowanie wewnątrz poszczególnych tematów */
.topic-item {
    justify-content: space-between;
}

.topic-title {
    flex-grow: 1;
    margin-right: 12px;
}

/* Styl bazowy dla etykiet trudności */
.difficulty {
    font-size: 0.7rem;
    font-weight: 700;
    padding: 3px 8px;
    border-radius: 6px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

/* Kolory poszczególnych poziomów */
.diff-easy {
    background-color: rgba(52, 211, 153, 0.12);
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.25);
}

.diff-medium {
    background-color: rgba(251, 191, 36, 0.12);
    color: #fbbf24;
    border: 1px solid rgba(251, 191, 36, 0.25);
}

.diff-hard {
    background-color: rgba(248, 113, 113, 0.12);
    color: #f87171;
    border: 1px solid rgba(248, 113, 113, 0.25);
}

/* --- Kompaktowy Planer Maturalny --- */
/* --- Kompaktowy Planer Maturalny (Ciemny Motyw) --- */
.planner-section {
    margin-top: 2rem;
    margin-bottom: 2.5rem;
    width: 100%;
}

.planner-card {
    display: grid;
    grid-template-columns: 340px 1fr;
    gap: 1.75rem;
    background: #1e293b; /* Ciemne tło pasujące do kafelków */
    border-radius: 16px;
    padding: 1.5rem;
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.3);
    border: 1px solid #334155;
}

.planner-title {
    font-size: 1rem;
    font-weight: 700;
    color: #f8fafc; /* Jasny tekst */
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.planner-title i {
    color: #3b82f6;
    width: 18px;
    height: 18px;
}

.planner-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.field-group {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.field-group label {
    font-size: 0.75rem;
    font-weight: 600;
    color: #94a3b8; /* Szary, czytelny podpis */
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

.input-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.input-field {
    width: 100%;
    padding: 0.6rem 0.8rem;
    border: 1px solid #334155;
    border-radius: 10px;
    font-size: 0.875rem;
    font-family: inherit;
    background-color: #0f172a; /* Ciemne wnętrze pól */
    color: #f8fafc;
    transition: all 0.2s ease;
}

.input-field:focus {
    outline: none;
    border-color: #3b82f6;
    background-color: #0f172a;
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

/* Dostosowanie kalendarza (picker daty) w motywie ciemnym */
.input-field::-webkit-calendar-picker-indicator {
    filter: invert(1);
    cursor: pointer;
}

.btn-planner {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.65rem;
    background-color: #2563eb;
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 0.25rem;
}

.btn-planner:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
}

/* Sekcja prawy panel (Lista) */
.planner-list-box {
    display: flex;
    flex-direction: column;
    border-left: 1px solid #334155;
    padding-left: 1.5rem;
}

.planner-list-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.badge {
    background-color: rgba(59, 130, 246, 0.2);
    color: #60a5fa;
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.2rem 0.6rem;
    border-radius: 9999px;
}

.events-scroll {
    max-height: 220px;
    overflow-y: auto;
    padding-right: 0.4rem;
}

.mini-events-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
}

.event-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    background-color: #0f172a; /* Ciemny element na liście */
    border-left: 4px solid #3b82f6;
    border-radius: 10px;
    transition: background 0.15s ease;
}

.event-item:hover {
    background-color: #162032;
}

.event-info {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.event-title-text {
    font-weight: 600;
    font-size: 0.875rem;
    color: #f8fafc;
}

.event-date-text {
    font-size: 0.75rem;
    color: #94a3b8;
}

.btn-delete-event {
    background: none;
    border: none;
    color: #64748b;
    cursor: pointer;
    padding: 0.3rem;
    border-radius: 6px;
    transition: all 0.2s;
}

.btn-delete-event:hover {
    color: #f87171;
    background-color: rgba(239, 68, 68, 0.15);
}

@media (max-width: 850px) {
    .planner-card {
        grid-template-columns: 1fr;
    }
    .planner-list-box {
        border-left: none;
        padding-left: 0;
        border-top: 1px solid #334155;
        padding-top: 1.25rem;
    }
}