/* =====================
   CSS VARIABLES
   ===================== */
:root {
    --color-bg:           #0A1628;
    --color-accent:       #14B8A6;
    --color-accent-dim:   #0D9488;
    --color-text:         #F1F5F9;
    --color-text-muted:   rgba(241,245,249,0.55);
    --color-surface:      rgba(20,184,166,0.07);
    --color-border:       rgba(20,184,166,0.2);
    --radius:             8px;
    --radius-sm:          4px;
}

/* =====================
   DEMO BANNER
   ===================== */
.demo-banner {
    background: rgba(234,179,8,0.12);
    border-bottom: 1px solid rgba(234,179,8,0.35);
    color: #fde68a;
    font-size: 0.85rem;
    text-align: center;
    padding: 8px 16px;
    letter-spacing: 0.01em;
}
.demo-banner i {
    margin-right: 6px;
}

/* =====================
   RESET & BASE
   ===================== */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--color-bg);
    color: var(--color-text);
    font-family: 'Plus Jakarta Sans', sans-serif;
    font-size: 16px;
    line-height: 1.6;
    min-height: 100vh;
}

a {
    color: var(--color-accent);
    text-decoration: none;
}

a:hover {
    color: var(--color-accent-dim);
}

img {
    display: block;
    max-width: 100%;
}

ul {
    list-style: none;
}

/* =====================
   LAYOUT WRAPPER
   ===================== */
.container {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.main-content {
    flex: 1;
    padding: 24px 0;
}

/* =====================
   NAVBAR
   ===================== */
.navbar {
    position: sticky;
    top: 0;
    z-index: 100;
    background-color: var(--color-bg);
    border-bottom: 2px solid var(--color-accent);
}

.navbar-inner {
    max-width: 960px;
    margin: 0 auto;
    padding: 0 16px;
    display: flex;
    align-items: center;
    gap: 24px;
    height: 56px;
}

.navbar-logo {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1.1rem;
    white-space: nowrap;
}

.navbar-logo:hover {
    color: var(--color-accent-dim);
}

.navbar-links {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-left: auto;
}

.navbar-links a {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    transition: color 0.2s;
}

.navbar-links a:hover {
    color: var(--color-accent);
}

.navbar-btn {
    background-color: var(--color-accent) !important;
    color: var(--color-bg) !important;
    font-weight: 600 !important;
    padding: 4px 14px;
    border-radius: var(--radius-sm);
    font-size: 0.85rem !important;
}

.navbar-btn:hover {
    background-color: var(--color-accent-dim) !important;
    color: var(--color-bg) !important;
}

.navbar-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--color-accent);
    font-size: 1.4rem;
    cursor: pointer;
    margin-left: auto;
}

@media (max-width: 640px) {
    .navbar-toggle {
        display: block;
    }
    .navbar-links {
        display: none;
        position: absolute;
        top: 56px;
        left: 0;
        right: 0;
        background-color: var(--color-bg);
        flex-direction: column;
        padding: 16px;
        gap: 12px;
        border-bottom: 1px solid var(--color-border);
    }
    .navbar-links.open {
        display: flex;
    }
}

/* =====================
   HERO
   ===================== */
.hero {
    margin: 0 -16px;
    padding: 28px 16px 20px;
    border-bottom: 1px solid rgba(20,184,166,0.12);
    margin-bottom: 24px;
    background: linear-gradient(160deg, rgba(20,184,166,0.1) 0%, transparent 70%);
}

.hero-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 6px;
}

.hero-desc {
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

/* =====================
   HOME PAGE
   ===================== */
.home-hero {
    margin: 0 -16px;
    padding: 56px 16px 48px;
    text-align: center;
    background: linear-gradient(160deg, rgba(20,184,166,0.13) 0%, transparent 70%);
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 40px;
}
.home-hero-title {
    font-size: 2.2rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 14px;
    color: var(--color-text);
}
.home-hero-desc {
    color: var(--color-text-muted);
    font-size: 1.05rem;
    max-width: 520px;
    margin: 0 auto 28px;
}
.home-hero-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}
.btn-secondary {
    display: inline-block;
    padding: 10px 22px;
    border: 1px solid var(--color-accent);
    color: var(--color-accent);
    border-radius: var(--radius);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    transition: background 0.2s, color 0.2s;
}
.btn-secondary:hover {
    background: rgba(20,184,166,0.1);
}
.home-section {
    margin-bottom: 40px;
}
.home-section-heading {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.06em;
    font-size: 0.8rem;
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--color-border);
}

/* =====================
   COURSE LIST
   ===================== */
.course-list {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.course-card {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 12px;
    transition: border-color 0.2s, background 0.2s;
}

.course-card:hover {
    border-color: var(--color-accent);
    background: rgba(20,184,166,0.1);
}

.course-card-poster {
    width: 90px;
    min-width: 90px;
    height: 120px;
    object-fit: cover;
    border-radius: var(--radius-sm);
}

.course-card-body {
    flex: 1;
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 8px;
}

.course-card-content {
    flex: 1;
}

.course-card-title a {
    color: var(--color-text);
    font-weight: 600;
    font-size: 1rem;
}

.course-card-title a:hover {
    color: var(--color-accent);
}

.course-card-original {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-top: 4px;
}

.course-card-meta {
    color: var(--color-text-muted);
    font-size: 0.8rem;
    margin-top: 4px;
}

.course-card-rating {
    color: var(--color-accent);
    font-weight: 700;
    font-size: 1rem;
    white-space: nowrap;
    display: flex;
    align-items: center;
    gap: 4px;
}

/* =====================
   COURSE DETAIL
   ===================== */
.course-detail {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.detail-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
}

.detail-card-heading {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: 14px;
}

/* Karta 1 - summary */
.course-summary {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.course-summary-poster {
    width: 130px;
    min-width: 130px;
    border-radius: var(--radius-sm);
}

.course-summary-title {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 6px;
}

.course-summary-original {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    margin-bottom: 6px;
}

.course-summary-meta {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 10px;
}

.course-summary-desc {
    color: var(--color-text-muted);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Karta 2 - rating */
.rating-display {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 8px;
}

.rating-value {
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-accent);
    line-height: 1;
}

.rating-stars {
    color: var(--color-accent);
    font-size: 1.2rem;
}

.rating-count {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.rating-form-label {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    margin-bottom: 8px;
    margin-top: 16px;
}

.rating-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
}

.rating-btn {
    background: transparent;
    border: 1px solid var(--color-border);
    color: var(--color-text-muted);
    border-radius: var(--radius-sm);
    padding: 6px 12px;
    cursor: pointer;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.15s;
}

.rating-btn:hover,
.rating-btn--active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
}

/* Karta 3 - trailer */
.trailer-wrapper {
    position: relative;
    padding-bottom: 56.25%;
    height: 0;
    overflow: hidden;
    border-radius: var(--radius-sm);
}

.trailer-iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* Karta 4 - opis */
.course-full-desc {
    color: var(--color-text-muted);
    line-height: 1.7;
    font-size: 0.95rem;
}

@media (max-width: 640px) {
    .course-summary {
        flex-direction: column;
    }
    .course-summary-poster {
        width: 100%;
        min-width: unset;
        max-width: 200px;
    }
}

/* =====================
   CATEGORIES
   ===================== */
.category-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.category-card a {
    display: block;
    padding: 16px 20px;
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    color: var(--color-text);
    font-weight: 600;
    font-size: 1rem;
    transition: border-color 0.2s, background 0.2s, color 0.2s;
}

.category-card a:hover {
    border-color: var(--color-accent);
    background: rgba(20,184,166,0.1);
    color: var(--color-accent);
}

/* =====================
   FORMS
   ===================== */
.form-page {
    max-width: 420px;
    margin: 40px auto;
    padding: 0 16px;
}

.form-page h2 {
    font-size: 1.4rem;
    font-weight: 700;
    margin-bottom: 24px;
    color: var(--color-text);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 16px;
}

.form-group label {
    color: var(--color-text-muted);
    font-size: 0.85rem;
    font-weight: 600;
}

.form-group input,
.form-group select,
.form-group textarea {
    background: rgba(241,245,249,0.07);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text);
    font-family: inherit;
    font-size: 0.95rem;
    padding: 10px 12px;
    transition: border-color 0.2s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-accent);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.form-group select option {
    background: #0f2035;
    color: var(--color-text);
}

.form-group input[type="checkbox"] {
    width: 18px;
    height: 18px;
    margin-top: 2px;
    align-self: flex-start;
}

.form-group input[type="file"] {
    color: var(--color-text-muted);
}

.input-error {
    border-color: #e05252 !important;
    outline-color: #e05252;
}

.field-error {
    display: block;
    margin-top: 4px;
    font-size: 0.8rem;
    color: #e05252;
}

.btn-primary {
    display: block;
    width: 100%;
    padding: 12px;
    background: var(--color-accent);
    color: var(--color-bg);
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: background 0.2s;
    margin-top: 8px;
    text-align: center;
    text-decoration: none;
}

.btn-primary:hover {
    background: var(--color-accent-dim);
    color: var(--color-bg);
}

.form-message {
    color: var(--color-accent);
    text-align: center;
    font-size: 0.85rem;
    margin-bottom: 16px;
}

.form-link {
    text-align: center;
    margin-top: 16px;
    color: var(--color-text-muted);
    font-size: 0.9rem;
}

/* =====================
   ERROR PAGE
   ===================== */
.error-page {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 60px 16px;
}

.error-page-icon {
    font-size: 3rem;
    color: var(--color-accent);
    margin-bottom: 16px;
}

.error-page-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.error-page-desc {
    color: var(--color-text-muted);
    margin-bottom: 24px;
}

.error-page-link {
    display: inline-block;
    padding: 10px 24px;
    background: var(--color-accent);
    color: var(--color-bg);
    font-weight: 600;
    border-radius: var(--radius-sm);
}

.error-page-link:hover {
    background: var(--color-accent-dim);
    color: var(--color-bg);
}

/* =====================
   PAGINATION
   ===================== */
.pagination {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 32px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}

.pagination-link {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 36px;
    height: 36px;
    padding: 0 10px;
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 600;
    transition: border-color 0.15s, background 0.15s, color 0.15s;
}

.pagination-link:hover {
    border-color: var(--color-accent);
    background: rgba(20,184,166,0.08);
    color: var(--color-accent);
}

.pagination-link--active {
    background: var(--color-accent);
    border-color: var(--color-accent);
    color: var(--color-bg);
    cursor: default;
}

.pagination-link--active:hover {
    background: var(--color-accent-dim);
    border-color: var(--color-accent-dim);
    color: var(--color-bg);
}

/* =====================
   FOOTER
   ===================== */
.footer {
    padding: 16px 0;
    text-align: center;
    color: var(--color-text-muted);
    font-size: 0.85rem;
    border-top: 1px solid rgba(20,184,166,0.1);
}