/* =============================================
   Intenzivní Medicína - Hlavní CSS
   Design: Krevní plazma - luxusní červené gradienty
   ============================================= */

@import url('https://fonts.googleapis.com/css2?family=Libre+Baskerville:ital,wght@0,400;0,700;1,400&family=Crimson+Text:ital,wght@0,400;0,600;1,400&family=Inter:wght@300;400;500;600&display=swap');

/* ---- CSS Proměnné ---- */
:root {
    --blood-deep:     #0a0000;
    --blood-dark:     #140000;
    --blood-mid:      #1e0000;
    --blood-rich:     #6B0000;
    --blood-primary:  #8B0000;
    --blood-vivid:    #B22222;
    --blood-bright:   #CC3333;
    --blood-light:    #E84040;
    --blood-accent:   #FF6B6B;
    --plasma-gold:    #C4922A;
    --plasma-amber:   #D4A843;

    --text-primary:   #F5E8E8;
    --text-secondary: #C4A0A0;
    --text-muted:     #8B5555;
    --text-dim:       #5a3333;

    --surface-1:      rgba(26,0,0,0.95);
    --surface-2:      rgba(40,5,5,0.9);
    --surface-3:      rgba(60,10,10,0.8);
    --border-subtle:  rgba(139,0,0,0.25);
    --border-active:  rgba(178,34,34,0.6);
    --border-bright:  rgba(204,51,51,0.8);

    --font-display:   'Libre Baskerville', Georgia, serif;
    --font-body:      'Crimson Text', Georgia, serif;
    --font-ui:        'Inter', system-ui, sans-serif;

    --radius-sm:   4px;
    --radius-md:   8px;
    --radius-lg:   16px;
    --radius-xl:   24px;

    --shadow-sm:   0 2px 8px rgba(0,0,0,0.4);
    --shadow-md:   0 8px 30px rgba(0,0,0,0.6);
    --shadow-lg:   0 20px 60px rgba(0,0,0,0.8);
    --shadow-glow: 0 0 30px rgba(139,0,0,0.3);
    --shadow-glow-bright: 0 0 50px rgba(178,34,34,0.5);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 0.15s ease;
}

/* ---- Reset & Base ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
    scroll-behavior: smooth;
    font-size: 16px;
    overflow-x: hidden;
    max-width: 100vw;
}

body {
    font-family: var(--font-body);
    background-color: var(--blood-deep);
    background-image:
        radial-gradient(ellipse 80% 50% at 50% -20%, rgba(139,0,0,0.3) 0%, transparent 60%),
        radial-gradient(ellipse 40% 30% at 80% 80%, rgba(100,0,0,0.2) 0%, transparent 50%);
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.7;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Subtle noise texture overlay */
body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.04'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 0;
    opacity: 0.5;
}

/* ---- Typografie ---- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 600;
    line-height: 1.2;
    color: var(--text-primary);
}

h1 { font-size: clamp(1.8rem, 4vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3vw, 2.2rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.7rem); }

p { margin-bottom: 1rem; font-size: 1.05rem; }
a { color: var(--blood-accent); text-decoration: none; transition: color var(--transition-fast); }
a:hover { color: var(--text-primary); }

/* ---- NAVIGACE ---- */
.nav-wrapper {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: linear-gradient(180deg, rgba(10,0,0,0.98) 0%, rgba(14,0,0,0.95) 100%);
    border-bottom: 1px solid var(--border-subtle);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    height: 72px;
    gap: 2rem;
    container-type: inline-size;
}

.nav-logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    color: var(--text-primary);
    text-transform: uppercase;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
}

.nav-logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--blood-primary), var(--blood-vivid));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: var(--shadow-glow);
}

.nav-logo-text {
    white-space: nowrap;
}

@container (max-width: 1100px) {
    .nav-logo-text { display: none; }
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    flex: 1;
}

.nav-link {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-link:hover,
.nav-link.active {
    color: var(--text-primary);
    background: rgba(139,0,0,0.2);
}

.nav-link.active::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--blood-vivid), transparent);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-left: auto;
}

/* ---- TLAČÍTKA ---- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-ui);
    font-size: 0.875rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.6rem 1.4rem;
    border-radius: var(--radius-sm);
    border: 1px solid transparent;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    white-space: nowrap;
    line-height: 1;
}

.btn-primary {
    background: linear-gradient(135deg, var(--blood-primary), var(--blood-vivid));
    color: #fff;
    border-color: var(--blood-vivid);
    box-shadow: 0 4px 15px rgba(139,0,0,0.4);
}
.btn-primary:hover {
    background: linear-gradient(135deg, var(--blood-vivid), var(--blood-bright));
    box-shadow: 0 6px 25px rgba(178,34,34,0.5);
    transform: translateY(-1px);
    color: #fff;
}

.btn-outline {
    background: transparent;
    color: var(--text-secondary);
    border-color: var(--border-subtle);
}
.btn-outline:hover {
    border-color: var(--border-active);
    color: var(--text-primary);
    background: rgba(139,0,0,0.1);
}

.btn-ghost {
    background: transparent;
    color: var(--text-secondary);
    border-color: transparent;
}
.btn-ghost:hover {
    color: var(--text-primary);
    background: rgba(255,255,255,0.05);
}

.btn-danger {
    background: linear-gradient(135deg, #4a0000, #6B0000);
    color: var(--blood-accent);
    border-color: var(--blood-rich);
}
.btn-danger:hover {
    background: linear-gradient(135deg, #6B0000, #8B0000);
    color: #fff;
}

.btn-lg {
    font-size: 1rem;
    padding: 0.85rem 2rem;
}

.btn-sm {
    font-size: 0.75rem;
    padding: 0.4rem 0.9rem;
}

/* ---- HERO SEKCE ---- */
.hero {
    min-height: 85vh;
    display: flex;
    align-items: center;
    position: relative;
    padding: 6rem 2rem;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse 70% 60% at 30% 50%, rgba(139,0,0,0.25) 0%, transparent 70%),
        radial-gradient(ellipse 50% 40% at 70% 30%, rgba(100,0,0,0.15) 0%, transparent 60%);
}

.hero-bg-lines {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(90deg, rgba(139,0,0,0.06) 1px, transparent 1px),
        linear-gradient(0deg, rgba(139,0,0,0.06) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 30% 50%, black 0%, transparent 70%);
}

.hero-content {
    position: relative;
    max-width: 1280px;
    margin: 0 auto;
    width: 100%;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--blood-accent);
    background: rgba(139,0,0,0.15);
    border: 1px solid rgba(139,0,0,0.3);
    padding: 0.4rem 1rem;
    border-radius: 999px;
    margin-bottom: 1.5rem;
}

.hero-tag::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--blood-accent);
    border-radius: 50%;
    animation: pulse 2s ease infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(0.8); }
}

.hero-title {
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, #FFFFFF 0%, #F5E8E8 40%, var(--blood-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-desc {
    font-size: 1.15rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Partner blok v hero */
.partner-badge {
    background: var(--surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    text-align: center;
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-md);
    transition: all var(--transition);
}

.partner-badge:hover {
    border-color: var(--border-active);
    box-shadow: var(--shadow-glow);
}

.partner-label {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
}

.partner-logo-wrap {
    width: 200px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-subtle);
    padding: 1rem;
}

.partner-logo-wrap img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
    filter: brightness(0.9);
}

.partner-name {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--text-primary);
}

.partner-divider {
    width: 40px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--blood-primary), transparent);
}

/* ---- KONTEJNERY ---- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 2rem;
}

.section-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--blood-accent);
    margin-bottom: 0.75rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-divider {
    width: 60px;
    height: 3px;
    background: linear-gradient(90deg, var(--blood-primary), var(--blood-vivid));
    margin: 1rem auto;
    border-radius: 2px;
}

/* ---- KARTY PŘÍSPĚVKŮ ---- */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: 1.5rem;
}

.card {
    background: var(--surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    position: relative;
}

.card:hover {
    border-color: var(--border-active);
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.card-img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
    filter: brightness(0.85) saturate(1.2);
}

.card-img-placeholder {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, var(--blood-mid), var(--blood-rich));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: rgba(139,0,0,0.5);
}

.card-body {
    padding: 1.5rem;
}

.card-meta {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.75rem;
    flex-wrap: wrap;
}

.card-badge {
    font-family: var(--font-ui);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.25rem 0.65rem;
    border-radius: 999px;
    background: rgba(139,0,0,0.2);
    border: 1px solid rgba(139,0,0,0.35);
    color: var(--blood-accent);
}

.card-badge-locked {
    background: rgba(100,80,0,0.2);
    border-color: rgba(196,146,42,0.35);
    color: var(--plasma-amber);
}

.card-date {
    font-family: var(--font-ui);
    font-size: 0.75rem;
    color: var(--text-muted);
}

.card-title {
    font-size: 1.15rem;
    margin-bottom: 0.5rem;
    line-height: 1.35;
}

.card-excerpt {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: 1rem;
    border-top: 1px solid var(--border-subtle);
}

/* ---- NOTIFIKACE ---- */
.notification-banner {
    background: linear-gradient(135deg, rgba(139,0,0,0.15), rgba(178,34,34,0.1));
    border: 1px solid var(--border-active);
    border-left: 3px solid var(--blood-vivid);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    margin-bottom: 1.5rem;
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.notification-icon {
    color: var(--blood-accent);
    font-size: 1.2rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.notification-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.notification-content p {
    font-size: 0.9rem;
    color: var(--text-secondary);
    margin: 0;
}

/* ---- FORMULÁŘE ---- */
.form-group {
    margin-bottom: 1.25rem;
}

.form-label {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
}

.form-label .required {
    color: var(--blood-accent);
    margin-left: 2px;
}

.form-control {
    width: 100%;
    background: rgba(10,0,0,0.6);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    padding: 0.75rem 1rem;
    color: var(--text-primary);
    font-family: var(--font-ui);
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    outline: none;
    appearance: none;
}

.form-control:focus {
    border-color: var(--border-bright);
    background: rgba(20,0,0,0.8);
    box-shadow: 0 0 0 3px rgba(139,0,0,0.15);
}

.form-control::placeholder { color: var(--text-dim); }

.form-control.is-invalid { border-color: var(--blood-accent); }
.form-error {
    font-family: var(--font-ui);
    font-size: 0.78rem;
    color: var(--blood-accent);
    margin-top: 0.35rem;
}

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

.form-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
}

/* ---- MODAL ---- */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.85);
    backdrop-filter: blur(8px);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 0;
    overflow-y: auto;
    animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: var(--surface-1);
    border: 1px solid var(--border-active);
    border-radius: var(--radius-xl);
    padding: 3rem;
    max-width: min(540px, calc(100vw - 2rem));
    width: 100%;
    box-shadow: var(--shadow-lg), var(--shadow-glow-bright);
    animation: slideUp 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    margin: auto;
    max-height: 90vh;
    max-height: 90svh;
    overflow-y: auto;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(30px) scale(0.97); }
    to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--blood-primary), var(--blood-vivid));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    margin: 0 auto 1.5rem;
    box-shadow: 0 0 30px rgba(139,0,0,0.5);
}

.modal-title {
    text-align: center;
    font-size: 1.6rem;
    margin-bottom: 0.75rem;
    letter-spacing: 0.05em;
}

.modal-body {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.05rem;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.modal-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

/* ---- SEMINÁŘE ---- */
.seminar-card {
    background: var(--surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition);
    display: grid;
    grid-template-columns: 280px 1fr;
}

.seminar-card:hover {
    border-color: var(--border-active);
    box-shadow: var(--shadow-md), var(--shadow-glow);
}

.seminar-thumb {
    background: linear-gradient(135deg, var(--blood-mid), var(--blood-rich));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: rgba(139,0,0,0.4);
    position: relative;
    overflow: hidden;
}

.seminar-thumb img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    inset: 0;
}

/* N73: iframe náhled videa (YouTube/Vimeo) vyplní thumb stejně jako img */
.seminar-thumb iframe {
    width: 100%;
    height: 100%;
    border: 0;
    position: absolute;
    inset: 0;
}

.seminar-credits-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: linear-gradient(135deg, var(--plasma-gold), var(--plasma-amber));
    color: #1a0a00;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 700;
    padding: 0.35rem 0.75rem;
    border-radius: 999px;
    letter-spacing: 0.05em;
}

.seminar-body {
    padding: 2rem;
}

.seminar-title {
    font-size: 1.3rem;
    margin-bottom: 0.75rem;
}

.seminar-desc {
    font-size: 0.95rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.seminar-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    margin-bottom: 1.5rem;
}

.seminar-meta-item {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--text-muted);
}

.seminar-meta-item svg { color: var(--blood-accent); }

/* ---- VIDEO PŘEHRÁVAČ ---- */
.video-wrap {
    aspect-ratio: 16/9;
    background: #000;
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-subtle);
}

.video-wrap video,
.video-wrap iframe {
    width: 100%;
    height: 100%;
    display: block;
}

/* ---- KVÍZ ---- */
.quiz-wrap {
    background: var(--surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    margin-top: 2rem;
}

.quiz-progress {
    height: 4px;
    background: rgba(139,0,0,0.2);
    border-radius: 2px;
    margin-bottom: 2rem;
    overflow: hidden;
}

.quiz-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--blood-primary), var(--blood-vivid));
    border-radius: 2px;
    transition: width 0.4s ease;
}

.quiz-question {
    font-size: 1.1rem;
    font-family: var(--font-display);
    margin-bottom: 1.5rem;
}

.quiz-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.quiz-option {
    background: rgba(10,0,0,0.5);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1rem 1.25rem;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--text-primary);
    text-align: left;
    width: 100%;
}

.quiz-option:hover {
    border-color: var(--border-active);
    background: rgba(139,0,0,0.1);
}

.quiz-option.selected {
    border-color: var(--blood-vivid);
    background: rgba(178,34,34,0.15);
}

.quiz-option.correct {
    border-color: #2d8B2d;
    background: rgba(45,139,45,0.15);
    color: #90ee90;
}

.quiz-option.wrong {
    border-color: var(--blood-accent);
    background: rgba(255,107,107,0.1);
}

/* ---- PŘIHLÁŠENÍ / REGISTRACE ---- */
.auth-wrap {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background:
        radial-gradient(ellipse 60% 50% at 50% 50%, rgba(139,0,0,0.2) 0%, transparent 70%);
}

.auth-card {
    background: var(--surface-1);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-xl);
    padding: 3rem;
    width: 100%;
    max-width: 480px;
    box-shadow: var(--shadow-lg);
}

.auth-logo {
    text-align: center;
    margin-bottom: 2rem;
}

.auth-logo-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--blood-primary), var(--blood-vivid));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    margin: 0 auto 1rem;
    box-shadow: var(--shadow-glow);
}

.auth-title {
    font-size: 1.6rem;
    text-align: center;
    margin-bottom: 0.25rem;
}

.auth-subtitle {
    text-align: center;
    color: var(--text-muted);
    font-size: 0.9rem;
    font-family: var(--font-ui);
}

/* ---- CERTIFIKÁTY ---- */
.cert-item {
    background: var(--surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    gap: 1.25rem;
    transition: all var(--transition);
}

.cert-item:hover {
    border-color: var(--border-active);
    box-shadow: var(--shadow-glow);
}

.cert-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(196,146,42,0.2), rgba(212,168,67,0.15));
    border: 1px solid rgba(196,146,42,0.3);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    flex-shrink: 0;
}

.cert-info { flex: 1; }
.cert-name { font-size: 1rem; margin-bottom: 0.2rem; }
.cert-date { font-family: var(--font-ui); font-size: 0.8rem; color: var(--text-muted); }

/* ---- ADMIN PANEL ---- */
.admin-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

.admin-sidebar {
    background: rgba(10,0,0,0.95);
    border-right: 1px solid var(--border-subtle);
    padding: 2rem 0;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}

.admin-sidebar-logo {
    padding: 0 1.5rem 2rem;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 1.5rem;
    font-family: var(--font-display);
    font-size: 0.9rem;
    letter-spacing: 0.1em;
    color: var(--text-secondary);
    text-transform: uppercase;
}

.admin-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.85rem 1.5rem;
    font-family: var(--font-ui);
    font-size: 1.02rem;
    color: var(--text-muted);
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
    text-decoration: none;
}

/* Červené tlačítko "Zpět na web" nahoře v sidebaru / draweru */
.admin-back-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    margin: 0 1.25rem 1.25rem;
    padding: 0.75rem 1rem;
    font-family: var(--font-ui);
    font-size: 1.02rem;
    font-weight: 600;
    color: var(--blood-accent);
    background: linear-gradient(135deg, #4a0000, #6B0000);
    border: 1px solid var(--blood-rich);
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-fast);
}
.admin-back-btn:hover {
    background: linear-gradient(135deg, #6B0000, #8B0000);
    color: #fff;
}

.admin-nav-item:hover,
.admin-nav-item.active {
    background: rgba(139,0,0,0.15);
    color: var(--text-primary);
    border-right: 2px solid var(--blood-vivid);
}

.admin-content {
    padding: 2.5rem;
    background: var(--blood-deep);
    min-width: 0;
}

.dashboard-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.5rem;
    margin-top: 1.5rem;
}

.admin-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
}

.stat-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    transition: all var(--transition);
}

.stat-card:hover { border-color: var(--border-active); }

.stat-value {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--blood-accent);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-family: var(--font-ui);
    font-size: 0.78rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

/* ---- TABULKA ---- */
.table-wrap {
    background: var(--surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    overflow-x: auto;
    overflow-y: hidden;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    padding: 0.85rem 1.25rem;
    text-align: left;
    background: rgba(0,0,0,0.3);
    border-bottom: 1px solid var(--border-subtle);
}

td {
    padding: 0.9rem 1.25rem;
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(139,0,0,0.08);
    vertical-align: middle;
}

tr:last-child td { border-bottom: none; }
tr:hover td { background: rgba(139,0,0,0.06); }

/* ---- ALERTS ---- */
.alert {
    padding: 0.9rem 1.25rem;
    border-radius: var(--radius-md);
    font-family: var(--font-ui);
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.alert-success {
    background: rgba(45,139,45,0.12);
    border: 1px solid rgba(45,139,45,0.3);
    color: #90ee90;
}

.alert-error {
    background: rgba(139,0,0,0.15);
    border: 1px solid var(--border-active);
    color: var(--blood-accent);
}

.hc-error {
    background: rgba(139,0,0,0.15);
    border: 1px solid var(--border-active);
    color: var(--blood-accent);
    padding: 0.75rem 1rem;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.9rem;
}

.alert-info {
    background: rgba(30,80,150,0.15);
    border: 1px solid rgba(30,80,150,0.3);
    color: #87CEEB;
}

.alert-warning {
    background: rgba(196,146,42,0.1);
    border: 1px solid rgba(196,146,42,0.3);
    color: var(--plasma-amber);
}

/* ---- FOOTER ---- */
.footer {
    background: var(--blood-dark);
    border-top: 1px solid var(--border-subtle);
    padding: 3rem 2rem;
    margin-top: 4rem;
}

.footer-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
}

.footer-brand {
    font-family: var(--font-display);
    font-size: 1.1rem;
    letter-spacing: 0.1em;
    color: var(--text-primary);
    margin-bottom: 0.75rem;
}

.footer-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    max-width: 300px;
}

.footer-heading {
    font-family: var(--font-ui);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    margin-bottom: 1rem;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.5rem; }
.footer-links a,
.footer-logout-btn {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--text-dim);
    transition: color var(--transition-fast);
}
.footer-links a:hover,
.footer-logout-btn:hover { color: var(--text-primary); }
.footer-logout-btn {
    background: none;
    border: none;
    padding: 0;
    margin: 0;
    cursor: pointer;
    text-decoration: none;
    display: inline;
}

.footer-bottom {
    max-width: 1280px;
    margin: 2rem auto 0;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-family: var(--font-ui);
    font-size: 0.78rem;
    color: var(--text-dim);
}

/* ---- PROFIL ---- */
.profile-header {
    background: var(--surface-2);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: 2rem;
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-bottom: 2rem;
}

.profile-avatar {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--blood-primary), var(--blood-vivid));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: #fff;
    flex-shrink: 0;
    box-shadow: var(--shadow-glow);
}

.profile-name {
    font-size: 1.5rem;
    margin-bottom: 0.25rem;
}

.profile-role {
    font-family: var(--font-ui);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blood-accent);
    background: rgba(139,0,0,0.15);
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    display: inline-block;
    margin-bottom: 0.5rem;
    border: 1px solid rgba(139,0,0,0.3);
}

.profile-institution {
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* ---- UTILITY ---- */
.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-accent { color: var(--blood-accent); }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.hidden { display: none !important; }
.d-md-inline { display: none; }
@media (min-width: 768px) {
    .d-md-inline { display: inline !important; }
}
.separator { height: 1px; background: var(--border-subtle); margin: 2rem 0; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--blood-deep); }
::-webkit-scrollbar-thumb { background: var(--blood-rich); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--blood-primary); }

/* ---- DRAWER SHARED ---- */
.drawer-backdrop {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1001;
    opacity: 0;
    visibility: hidden;
    transition: opacity 280ms cubic-bezier(0.4, 0.0, 0.2, 1),
                visibility 0s linear 280ms;
}
.drawer-backdrop.is-open {
    opacity: 1;
    visibility: visible;
    transition: opacity 280ms cubic-bezier(0.4, 0.0, 0.2, 1),
                visibility 0s linear 0s;
}

.drawer-base {
    position: fixed;
    top: 0;
    height: 100vh;
    height: 100dvh;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    transition: transform 280ms cubic-bezier(0.4, 0.0, 0.2, 1);
}
.drawer-base.is-open { transform: translateX(0); }

body.is-drawer-open { overflow: hidden; }

/* ---- MOBILE DRAWER (frontend, right side) ---- */
.mobile-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background: none;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    flex-shrink: 0;
    padding: 0;
}
.mobile-menu-toggle:hover {
    color: var(--text-primary);
    border-color: var(--border-active);
}

.mobile-drawer {
    right: 0;
    width: min(80vw, 360px);
    background: var(--surface-1);
    border-left: 1px solid var(--border-subtle);
    z-index: 1002;
    transform: translateX(100%);
}

.drawer-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    flex-shrink: 0;
}
.drawer-logo {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 700;
    color: var(--text-primary);
}
.drawer-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-sm);
    color: var(--text-secondary);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    flex-shrink: 0;
    padding: 0;
}
.drawer-close:hover {
    color: var(--text-primary);
    border-color: var(--border-active);
}

.drawer-user {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: 0.5rem;
}

.drawer-user-avatar {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--blood-vivid), var(--blood-accent));
    color: #fff;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.9rem;
}

.drawer-user-info {
    flex: 1;
    min-width: 0;
}

.drawer-user-name {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.drawer-user-email {
    color: var(--text-secondary);
    font-size: 0.8rem;
    word-break: break-all;
}

.drawer-section { padding: 1.25rem 1.5rem 1rem; }
.drawer-section-label {
    font-family: var(--font-ui);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-dim);
    margin: 0 0 0.6rem;
}
.drawer-nav {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}
.drawer-link {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--text-secondary);
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    transition: color 0.15s, background 0.15s;
}
.drawer-link:hover,
.drawer-link.active {
    color: var(--text-primary);
    background: rgba(139, 0, 0, 0.2);
}
.drawer-divider {
    height: 1px;
    background: var(--border-subtle);
    margin: 0 1.5rem;
    flex-shrink: 0;
}
.drawer-logout-btn {
    display: block;
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    font-family: var(--font-ui);
    font-size: 0.95rem;
    color: var(--text-secondary);
    padding: 0.6rem 0.75rem;
    border-radius: var(--radius-sm);
    cursor: pointer;
    transition: color 0.15s, background 0.15s;
}
.drawer-logout-btn:hover {
    color: var(--blood-accent);
    background: rgba(139, 0, 0, 0.2);
}
.drawer-partner-link {
    display: block;
    font-family: var(--font-ui);
    font-size: 0.875rem;
    color: var(--text-muted);
    padding: 0.25rem 0;
}
.drawer-partner-link:hover { color: var(--text-secondary); }
.drawer-spacer { flex: 1; min-height: 1.5rem; }
.mobile-drawer-social { padding: 1.25rem 1.5rem; }
.social-links { list-style: none; margin: 0; padding: 0; display: flex; gap: 1rem; }

/* ---- ADMIN DRAWER (left side, visible < 1024px) ---- */
.admin-menu-toggle {
    display: none;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: none;
    border: 1px solid rgba(139, 0, 0, 0.3);
    border-radius: var(--radius-sm);
    color: var(--text-muted);
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
    flex-shrink: 0;
    padding: 0;
}
.admin-menu-toggle:hover {
    color: var(--text-secondary);
    border-color: rgba(139, 0, 0, 0.6);
}

.admin-drawer {
    left: 0;
    width: min(80vw, 280px);
    background: rgba(6, 0, 0, 0.98);
    border-right: 1px solid var(--border-subtle);
    z-index: 1002;
    transform: translateX(-100%);
}

.admin-topbar {
    display: none;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(6, 0, 0, 0.98);
    border-bottom: 1px solid var(--border-subtle);
    position: sticky;
    top: 0;
    z-index: 100;
}
.admin-topbar-title {
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    flex: 1;
}

/* ---- RESPONSIVITA ---- */
@media (max-width: 1024px) {
    .hero-content { grid-template-columns: 1fr; text-align: center; }
    .hero-actions { justify-content: center; }
    .hero-desc { margin: 0 auto 2.5rem; }
    .partner-badge { max-width: 400px; margin: 0 auto; }
    .seminar-card { grid-template-columns: 1fr; }
    .seminar-thumb { min-height: 220px; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
    .admin-layout { grid-template-columns: 1fr; }
    .admin-sidebar { display: none; }
    .admin-menu-toggle { display: flex; }
    .admin-topbar { display: flex; }
    .admin-content { padding: 1.5rem 1rem; }
}

@media (max-width: 768px) {
    .nav-links { display: none; }
    .nav-actions { display: none; }
    .mobile-menu-toggle { display: flex; }
    .form-row, .form-row-3 { grid-template-columns: 1fr; }
    .cards-grid { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .auth-card { padding: 2rem; }
    .table-wrap { overflow-x: auto; border-radius: var(--radius-md); }
    .dashboard-grid { grid-template-columns: 1fr; }
    .modal-overlay { padding: 0.5rem 0; }
    .modal { padding: 1.25rem; border-radius: var(--radius-lg); max-height: 95vh; max-height: 95svh; }
    .modal-actions { flex-direction: column; }
    .modal-actions .btn { width: 100%; }
    .separator { margin: 1rem 0; }
    .profile-header {
        flex-direction: column;
        align-items: center;
        text-align: center;
        gap: 1rem;
        padding: 1.5rem;
    }
    .profile-header > div:last-child {
        margin-left: 0;
    }
}

@media (max-width: 480px) {
    .hero { min-height: auto; padding: 4rem 1.5rem; }
    .section { padding: 3rem 1.5rem; }
    .container { padding: 0 1.5rem; }
    .modal-overlay { padding: 0.25rem 0; }
    .modal { padding: 1rem; }
    .modal-icon { width: 48px; height: 48px; font-size: 1.4rem; margin-bottom: 0.75rem; }
    .modal-title { font-size: 1.3rem; margin-bottom: 0.5rem; }
    .modal-body { font-size: 0.95rem; margin-bottom: 1rem; }
    .separator { margin: 0.75rem 0; }
}

/* ---- ADMIN LAYOUT — consolidated nav styles ---- */
.admin-logo {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-subtle);
    font-family: var(--font-display);
    font-size: 0.75rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}
.admin-nav-group {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(139, 0, 0, 0.1);
}
.admin-nav-group-label {
    padding: 0.4rem 1.25rem;
    font-family: var(--font-ui);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-dim);
}
.admin-footer-link {
    margin-top: auto;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-subtle);
    font-family: var(--font-ui);
    font-size: 0.78rem;
    color: var(--text-dim);
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* ---- CONFIRM CARD (archive / restore dialogs) ---- */
.confirm-card {
    max-width: 560px;
    margin: 2rem auto;
    text-align: center;
    padding: 2.5rem;
}
.confirm-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.7;
}
.confirm-note {
    color: var(--text-muted);
    font-family: var(--font-ui);
    font-size: 0.9rem;
    margin-top: 0.5rem;
}
.confirm-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 1.5rem;
    flex-wrap: wrap;
}

/* ── Cookie Banner ─────────────────────────────────────── */
#cookie-banner {
    display: none; /* JS odhalí přes .cb-ready — žádný flash */
    position: fixed;
    bottom: 24px;
    left: 24px;
    z-index: 950;
    width: 380px;
    max-width: calc(100vw - 48px);
    background: var(--surface-2);
    border: 1px solid var(--border-subtle);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-radius: var(--radius-lg);
    padding: 1.25rem 1.5rem 1.25rem 1.25rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
}

#cookie-banner.cb-ready {
    display: block;
    transform: translateY(120%);
    transition: transform 280ms ease-out;
}

#cookie-banner.cb-ready.cb-visible {
    transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
    #cookie-banner.cb-ready {
        transition: none;
        transform: none;
    }
}

#cb-heading {
    font-family: var(--font-body);
    font-size: 1.1rem;
    color: var(--text-primary);
    margin: 0 0 0.5rem;
}

#cb-desc {
    font-family: var(--font-ui);
    font-size: 0.82rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0 0 1rem;
}

#cb-desc a {
    color: var(--blood-vivid);
    text-decoration: underline;
}

#cb-accept {
    font-family: var(--font-ui);
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
    background: var(--blood-vivid);
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.5rem 1.25rem;
    cursor: pointer;
    transition: background 0.15s;
}

#cb-accept:hover {
    background: var(--blood-primary);
}

#cb-close {
    position: absolute;
    top: 0.75rem;
    right: 0.75rem;
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    line-height: 1;
    cursor: pointer;
    padding: 0.25rem;
}

#cb-close:hover {
    color: var(--text-primary);
}

@media (max-width: 768px) {
    #cookie-banner {
        left: 16px;
        right: 16px;
        bottom: 16px;
        width: auto;
        max-width: none;
    }
}

.footer-cookie-reset {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-ui);
    font-size: 0.8rem;
    cursor: pointer;
    padding: 0;
    text-decoration: underline;
}

.footer-cookie-reset:hover {
    color: var(--text-secondary);
}