/* ===================================
   STYL GLOBALNY - orzeszekstudies
   Ciemno zielony motyw (#2d5016), serif font
   =================================== */

:root {
    --primary-color: #2d5016;
    --primary-light: #4a7c2a;
    --primary-hover: #1f3a0f;
    --light-bg: #f5f5f5;
    --white: #ffffff;
    --dark-text: #333333;
    --border-color: #e0e0e0;
    --success: #4caf50;
    --danger: #f44336;
    --warning: #ff9800;
}

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

html, body {
    height: 100%;
}

body {
    font-family: 'Georgia', 'Garamond', serif;
    background-color: var(--light-bg);
    color: var(--dark-text);
    line-height: 1.6;
}

/* ===================================
   HEADER - Sticky
   =================================== */
header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--primary-color);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.15);
    padding: 0 20px;
}

header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    height: 70px;
}

header .logo {
    font-size: 24px;
    font-weight: bold;
    color: var(--white);
    text-decoration: none;
    margin: 0 auto;
    flex: 1;
    text-align: center;
}

header .nav-buttons {
    display: flex;
    gap: 15px;
    margin-left: auto;
}

header button,
header a {
    background-color: transparent;
    color: var(--white);
    border: 2px solid var(--white);
    padding: 8px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-family: 'Georgia', 'Garamond', serif;
    font-size: 14px;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

header button:hover,
header a:hover {
    background-color: var(--white);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* ===================================
   GŁÓWNY KONTENER
   =================================== */
main {
    max-width: 1400px;
    margin: 40px auto;
    padding: 0 20px;
    min-height: calc(100vh - 70px);
}

/* ===================================
   KARTY / CARDS
   =================================== */
.card {
    background-color: var(--white);
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    padding: 20px;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: translateY(-2px);
}

/* ===================================
   PRZYCISKI
   =================================== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border: none;
    border-radius: 5px;
    font-family: 'Georgia', 'Garamond', serif;
    font-size: 16px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(45, 80, 22, 0.3);
}

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

.btn-secondary:hover {
    background-color: var(--primary-color);
    transform: translateY(-2px);
}

.btn-small {
    padding: 8px 16px;
    font-size: 14px;
}

/* ===================================
   TYTUŁY I TEKST
   =================================== */
h1 {
    font-size: 32px;
    color: var(--primary-color);
    margin-bottom: 20px;
}

h2 {
    font-size: 24px;
    color: var(--primary-color);
    margin-top: 20px;
    margin-bottom: 15px;
}

h3 {
    font-size: 18px;
    color: var(--primary-color);
    margin-bottom: 10px;
}

p {
    margin-bottom: 15px;
}

/* ===================================
   SIATKA KURÓW
   =================================== */
.course-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.course-card {
    background-color: var(--white);
    border-left: 5px solid var(--primary-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.course-card:hover {
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    transform: translateY(-5px);
}

.course-card .title {
    font-size: 20px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.course-card .meta {
    font-size: 14px;
    color: #666;
    margin-bottom: 15px;
}

.course-card .meta span {
    display: inline-block;
    margin-right: 20px;
}

/* ===================================
   FORMULARZ
   =================================== */
.form-group {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: bold;
    margin-bottom: 8px;
    color: var(--primary-color);
}

.form-group input,
.form-group select {
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    font-family: 'Georgia', 'Garamond', serif;
    font-size: 14px;
    transition: border 0.3s ease;
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 5px rgba(45, 80, 22, 0.2);
}

/* ===================================
   PANEL NAUKI - Dwie kolumny
   =================================== */
.learning-container {
    display: grid;
    grid-template-columns: 250px 1fr;
    gap: 20px;
    margin-top: 20px;
}

.lesson-sidebar {
    background-color: var(--white);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    height: fit-content;
}

.lesson-sidebar h3 {
    margin-top: 0;
}

.lesson-filters {
    margin: 15px 0 10px;
}

.lesson-filters .form-group {
    margin-bottom: 10px;
}

.lesson-filters .form-group input,
.lesson-filters .form-group select {
    padding: 9px 10px;
    font-size: 13px;
}

.lesson-filters-actions {
    display: flex;
    gap: 8px;
}

.lesson-filters-actions .btn {
    text-align: center;
    padding: 8px 10px;
}

.lesson-results-count {
    margin: 10px 0 12px;
    font-size: 13px;
    color: #666;
}

.lesson-list {
    list-style: none;
}

.lesson-list li {
    padding: 10px;
    margin-bottom: 5px;
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.lesson-list li:hover {
    background-color: var(--light-bg);
    color: var(--primary-color);
}

.lesson-list li.active {
    background-color: var(--primary-color);
    color: var(--white);
}

.lesson-star {
    font-size: 16px;
    cursor: pointer;
    opacity: 0.5;
    transition: opacity 0.3s ease;
}

.lesson-star.active {
    opacity: 1;
    color: #ffd700;
}

.lesson-content {
    background-color: var(--white);
    border-radius: 8px;
    padding: 30px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.lesson-content h2 {
    margin-top: 0;
}

.lesson-content pre {
    background-color: #f5f5f5;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    border-left: 4px solid var(--primary-color);
    margin: 15px 0;
}

/* ===================================
   PRZYCISK NAWIGACJI
   =================================== */
.lesson-navigation {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    justify-content: space-between;
}

.lesson-navigation .btn {
    flex: 1;
}

/* ===================================
   PASEK POSTĘPU
   =================================== */
.progress-bar-container {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background-color: var(--light-bg);
    z-index: 999;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

/* ===================================
   QUIZ
   =================================== */
.quiz-container {
    background-color: var(--white);
    border-radius: 8px;
    padding: 30px;
    max-width: 600px;
    margin: 30px auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.question-counter {
    font-size: 12px;
    color: #666;
    margin-bottom: 10px;
}

.question-text {
    font-size: 18px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quiz-option {
    display: flex;
    align-items: center;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.quiz-option:hover {
    background-color: var(--light-bg);
    border-color: var(--primary-color);
}

.quiz-option input[type="radio"] {
    margin-right: 10px;
}

/* ===================================
   WYNIKI QUIZU
   =================================== */
.quiz-results {
    background-color: var(--white);
    border-radius: 8px;
    padding: 40px;
    text-align: center;
    max-width: 600px;
    margin: 30px auto;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.result-score {
    font-size: 48px;
    font-weight: bold;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.result-status {
    font-size: 24px;
    margin-bottom: 20px;
    font-weight: bold;
}

.result-status.pass {
    color: var(--success);
}

.result-status.fail {
    color: var(--danger);
}

/* ===================================
   PROFIL UŻYTKOWNIKA
   =================================== */
.profile-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-top: 30px;
}

.profile-stats {
    background-color: var(--white);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.stat-item:last-child {
    border-bottom: none;
}

.stat-label {
    font-weight: bold;
    color: var(--primary-color);
}

.stat-value {
    font-size: 18px;
    font-weight: bold;
    color: var(--dark-text);
}

.badges-container {
    background-color: var(--white);
    border-radius: 8px;
    padding: 20px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.badges-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.badge {
    text-align: center;
    padding: 15px;
    background-color: var(--light-bg);
    border-radius: 8px;
    border: 2px solid var(--primary-color);
}

.badge-icon {
    font-size: 30px;
    margin-bottom: 10px;
}

.badge-name {
    font-size: 12px;
    color: var(--primary-color);
    font-weight: bold;
}

/* ===================================
   PANEL ADMINA
   =================================== */
.admin-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background-color: var(--white);
    border-left: 5px solid var(--primary-color);
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.stat-card .number {
    font-size: 36px;
    font-weight: bold;
    color: var(--primary-color);
}

.stat-card .label {
    font-size: 14px;
    color: #666;
    margin-top: 10px;
}

/* Tabela użytkowników */
.users-table {
    width: 100%;
    border-collapse: collapse;
    background-color: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.users-table thead {
    background-color: var(--primary-color);
    color: var(--white);
}

.users-table th,
.users-table td {
    padding: 15px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.users-table tbody tr:hover {
    background-color: var(--light-bg);
}

/* ===================================
   RESPONSYWNOŚĆ
   =================================== */
@media (max-width: 768px) {
    header nav {
        flex-direction: column;
        height: auto;
        padding: 15px 0;
    }

    header .logo {
        margin-bottom: 10px;
    }

    header .nav-buttons {
        width: 100%;
        justify-content: center;
    }

    .learning-container {
        grid-template-columns: 1fr;
    }

    .lesson-sidebar {
        order: 2;
    }

    .lesson-content {
        order: 1;
    }

    .profile-container {
        grid-template-columns: 1fr;
    }

    .admin-stats {
        grid-template-columns: 1fr;
    }

    .course-grid {
        grid-template-columns: 1fr;
    }

    .lesson-navigation {
        flex-direction: column;
    }

    .users-table {
        font-size: 12px;
    }

    .users-table th,
    .users-table td {
        padding: 10px;
    }
}

@media (max-width: 480px) {
    h1 {
        font-size: 24px;
    }

    h2 {
        font-size: 18px;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    header button,
    header a {
        font-size: 12px;
        padding: 6px 12px;
    }

    main {
        padding: 0 10px;
    }

    .quiz-container,
    .quiz-results {
        padding: 20px;
    }
}

/* ===================================
   ANIMACJE
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.card,
.course-card,
.quiz-container {
    animation: fadeIn 0.4s ease;
}

/* Alert / Notification */
.alert {
    padding: 15px;
    margin-bottom: 20px;
    border-radius: 5px;
    border-left: 4px solid;
}

.alert-success {
    background-color: #d4edda;
    border-color: var(--success);
    color: #155724;
}

.alert-error {
    background-color: #f8d7da;
    border-color: var(--danger);
    color: #721c24;
}

.alert-info {
    background-color: #d1ecf1;
    border-color: #0c5460;
    color: #0c5460;
}