/* ============================================
   YAZARLA KONUŞ - ANA STİLLER
   Beyaz arka plan, siyah fontlar/butonlar
   İleri düzey animasyonlar ve sihirli efektler
   ============================================ */

/* Reset ve Temel Ayarlar */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --bg-tertiary: #f0f0f0;
    --text-primary: #000000;
    --text-secondary: #333333;
    --text-muted: #666666;
    --border-color: #e0e0e0;
    --shadow-light: 0 2px 10px rgba(0, 0, 0, 0.08);
    --shadow-medium: 0 4px 20px rgba(0, 0, 0, 0.12);
    --shadow-heavy: 0 8px 40px rgba(0, 0, 0, 0.16);
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
}

/* ============================================
   EKRAN YÖNETİMİ
   ============================================ */
.screen {
    display: none;
    min-height: 100vh;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.screen.active {
    display: block;
    opacity: 1;
    animation: fadeIn 0.5s ease forwards;
}

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

/* ============================================
   HERO SECTION - PREMIUM DESIGN
   ============================================ */
.hero-section {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    position: relative;
    overflow: hidden;
    background: var(--bg-primary);
}

/* === DECORATIVE ELEMENTS === */
.hero-decorations {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    overflow: hidden;
}

.deco-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 0, 0.06);
}

.deco-circle-1 {
    width: 600px;
    height: 600px;
    top: -200px;
    right: -150px;
    border-width: 2px;
    animation: rotateSlow 60s linear infinite;
}

.deco-circle-1::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    width: 12px;
    height: 12px;
    background: var(--text-primary);
    border-radius: 50%;
    transform: translateY(-50%);
}

.deco-circle-2 {
    width: 400px;
    height: 400px;
    bottom: -100px;
    left: -100px;
    animation: rotateSlow 45s linear infinite reverse;
}

.deco-circle-2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    width: 8px;
    height: 8px;
    background: var(--text-primary);
    border-radius: 50%;
    transform: translateX(-50%);
}

.deco-circle-3 {
    width: 200px;
    height: 200px;
    top: 20%;
    left: 10%;
    border-style: dashed;
    animation: rotateSlow 30s linear infinite;
}

@keyframes rotateSlow {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.deco-line {
    position: absolute;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.08), transparent);
}

.deco-line-1 {
    width: 1px;
    height: 200px;
    top: 10%;
    left: 15%;
    animation: lineFloat 8s ease-in-out infinite;
}

.deco-line-2 {
    width: 1px;
    height: 150px;
    bottom: 15%;
    right: 20%;
    animation: lineFloat 6s ease-in-out infinite reverse;
}

@keyframes lineFloat {
    0%, 100% { transform: translateY(0); opacity: 0.5; }
    50% { transform: translateY(20px); opacity: 1; }
}

.deco-dots {
    position: absolute;
    top: 50%;
    right: 5%;
    width: 100px;
    height: 100px;
    background-image: radial-gradient(circle, var(--text-primary) 2px, transparent 2px);
    background-size: 20px 20px;
    opacity: 0.15;
    transform: translateY(-50%);
}

/* === HERO CONTENT === */
.hero-content {
    text-align: center;
    position: relative;
    z-index: 2;
    margin-bottom: 50px;
}

/* Badge */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 12px 24px;
    background: var(--bg-secondary);
    border-radius: 50px;
    margin-bottom: 30px;
    animation: fadeIn 0.8s ease forwards;
    border: 1px solid var(--border-color);
}

.badge-icon {
    font-size: 1rem;
    animation: sparkle 2s ease-in-out infinite;
}

@keyframes sparkle {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.2); }
}

.badge-text {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-secondary);
    letter-spacing: 0.5px;
}

/* Logo */
.logo {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-bottom: 20px;
}

.logo-line {
    font-family: 'Playfair Display', serif;
    font-size: clamp(3.5rem, 10vw, 7rem);
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.1;
    letter-spacing: -3px;
    display: block;
    opacity: 0;
    animation: slideUp 0.8s cubic-bezier(0.23, 1, 0.32, 1) forwards;
}

.logo-line:nth-child(1) {
    animation-delay: 0.2s;
}

.logo-line:nth-child(2) {
    animation-delay: 0.4s;
}

.logo-highlight {
    position: relative;
}

.logo-highlight::after {
    content: '';
    position: absolute;
    bottom: 10px;
    left: 0;
    width: 100%;
    height: 20px;
    background: var(--text-primary);
    opacity: 0.1;
    z-index: -1;
    transform: scaleX(0);
    transform-origin: left;
    animation: lineGrow 0.6s ease forwards 1s;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes lineGrow {
    to { transform: scaleX(1); }
}

/* Tagline */
.tagline {
    font-size: 1.25rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 40px;
    opacity: 0;
    animation: fadeIn 0.8s ease forwards 0.6s;
    letter-spacing: 1px;
}

/* Stats */
.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 40px;
    opacity: 0;
    animation: fadeIn 0.8s ease forwards 0.8s;
}

.stat-item {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.stat-divider {
    width: 1px;
    height: 50px;
    background: var(--border-color);
}

/* === SEARCH SECTION === */
.search-section {
    width: 100%;
    max-width: 700px;
    position: relative;
    z-index: 2;
    opacity: 0;
    animation: fadeIn 0.8s ease forwards 1s;
}

.search-wrapper {
    position: relative;
    margin-bottom: 30px;
}

.search-icon {
    position: absolute;
    left: 25px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    z-index: 2;
    transition: color var(--transition-medium);
}

.search-wrapper:focus-within .search-icon {
    color: var(--text-primary);
}

#search-input {
    width: 100%;
    padding: 22px 30px 22px 65px;
    font-size: 1.1rem;
    border: 2px solid var(--border-color);
    border-radius: 60px;
    background: var(--bg-primary);
    color: var(--text-primary);
    transition: all var(--transition-medium);
    outline: none;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.06);
}

#search-input:hover {
    border-color: var(--text-muted);
}

#search-input:focus {
    border-color: var(--text-primary);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.1);
}

#search-input::placeholder {
    color: var(--text-muted);
}

/* Filter Buttons */
.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 14px 24px;
    font-size: 0.95rem;
    font-weight: 500;
    border: 2px solid var(--text-primary);
    border-radius: 50px;
    background: transparent;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.filter-icon {
    font-size: 1rem;
    transition: transform var(--transition-medium);
}

.filter-btn:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
}

.filter-btn:hover .filter-icon {
    transform: scale(1.2);
}

.filter-btn.active {
    background: var(--text-primary);
    color: var(--bg-primary);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* === SCROLL INDICATOR === */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0;
    animation: fadeIn 0.8s ease forwards 1.5s;
    cursor: pointer;
    transition: opacity var(--transition-medium);
}

.scroll-indicator:hover {
    opacity: 0.7;
}

.scroll-indicator span {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 3px;
}

.scroll-arrow {
    animation: bounce 2s ease-in-out infinite;
    color: var(--text-muted);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

/* === RESPONSIVE === */
@media (max-width: 768px) {
    .hero-section {
        padding: 30px 15px;
    }

    .logo-line {
        font-size: clamp(2.5rem, 12vw, 4rem);
    }

    .hero-stats {
        gap: 25px;
    }

    .stat-number {
        font-size: 2rem;
    }

    .deco-circle-1,
    .deco-circle-2 {
        display: none;
    }

    .filter-buttons {
        gap: 8px;
    }

    .filter-btn {
        padding: 12px 18px;
        font-size: 0.85rem;
    }

    .filter-icon {
        display: none;
    }
}

/* ============================================
   YAZAR KARTLARI GRİD
   ============================================ */
.authors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 24px;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px 60px;
}

.author-card {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 30px;
    cursor: pointer;
    transition: all var(--transition-medium);
    position: relative;
    overflow: hidden;
    animation: cardAppear 0.5s ease forwards;
    opacity: 0;
}

.author-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--text-primary);
    transform: scaleX(0);
    transition: transform var(--transition-medium);
}

.author-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-heavy);
    border-color: var(--text-primary);
}

.author-card:hover::before {
    transform: scaleX(1);
}

@keyframes cardAppear {
    from {
        opacity: 0;
        transform: translateY(30px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.card-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--text-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    margin: 0 auto 20px;
    transition: all var(--transition-medium);
}

.author-card:hover .card-avatar {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
}

/* Avatar Wrapper - Resim veya Harf */
.card-avatar-wrapper {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    position: relative;
}

.card-avatar-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 3px solid var(--text-primary);
    transition: all var(--transition-medium);
}

.author-card:hover .card-avatar-img {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
}

.card-avatar-fallback {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--text-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    transition: all var(--transition-medium);
}

.author-card:hover .card-avatar-fallback {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 0 30px rgba(0, 0, 0, 0.3);
}

.card-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.4rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: 8px;
}

.card-profession {
    font-size: 0.9rem;
    color: var(--text-muted);
    text-align: center;
    margin-bottom: 12px;
}

.card-dates {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

/* ============================================
   SOHBET EKRANI
   ============================================ */
#chat-screen {
    display: flex;
    flex-direction: column;
    height: 100vh;
    background: var(--bg-primary);
}

.chat-header {
    display: flex;
    align-items: center;
    padding: 16px 20px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
}

.back-btn, .info-btn {
    width: 44px;
    height: 44px;
    border: none;
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
    color: var(--text-primary);
}

.back-btn:hover, .info-btn:hover {
    background: var(--bg-secondary);
}

.author-info {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 0 16px;
}

.author-avatar {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--text-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    font-weight: 700;
}

/* Chat Avatar - Resim veya Harf */
.author-avatar-wrapper {
    width: 48px;
    height: 48px;
    position: relative;
    flex-shrink: 0;
}

.author-avatar-img {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 2px solid var(--text-primary);
}

.author-avatar-fallback {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: var(--text-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 1.3rem;
    font-weight: 700;
}

.author-details h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    font-weight: 700;
}

.author-details span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ============================================
   SOHBET MESAJLARI - SİHİRLİ EFEKTLER
   ============================================ */
.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 16px;
    background: var(--bg-primary);
}

.welcome-message {
    text-align: center;
    padding: 40px 20px;
    max-width: 500px;
    margin: 0 auto;
}

.welcome-message h3 {
    font-family: 'Playfair Display', serif;
    font-size: 1.5rem;
    margin-bottom: 16px;
}

.welcome-message p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.7;
}

.message {
    max-width: 80%;
    padding: 16px 20px;
    border-radius: 20px;
    animation: messageAppear 0.4s ease forwards;
    opacity: 0;
}

@keyframes messageAppear {
    from {
        opacity: 0;
        transform: translateY(20px) scale(0.95);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.message.user {
    align-self: flex-end;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-bottom-right-radius: 4px;
}

.message.author {
    align-self: flex-start;
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
    position: relative;
}

/* SİHİRLİ METİN EFEKTİ - Her harf tek tek görünür */
.message.author .message-text {
    overflow: hidden;
}

.message.author .message-text .char {
    display: inline-block;
    opacity: 0;
    animation: charReveal 0.05s ease forwards;
    animation-fill-mode: forwards;
}

@keyframes charReveal {
    from {
        opacity: 0;
        filter: blur(4px);
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        filter: blur(0);
        transform: translateY(0);
    }
}

/* Sihirli parıldama efekti */
.message.author::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.4),
        transparent
    );
    animation: shimmer 2s ease-in-out;
}

@keyframes shimmer {
    0% { left: -100%; }
    100% { left: 100%; }
}

/* Yazıyor animasyonu */
.typing-indicator {
    display: flex;
    gap: 6px;
    padding: 16px 20px;
    background: var(--bg-secondary);
    border-radius: 20px;
    border-bottom-left-radius: 4px;
    align-self: flex-start;
    animation: messageAppear 0.3s ease forwards;
}

.typing-indicator span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-indicator span:nth-child(2) {
    animation-delay: 0.2s;
}

.typing-indicator span:nth-child(3) {
    animation-delay: 0.4s;
}

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-10px); }
}

/* ============================================
   MESAJ GİRİŞİ
   ============================================ */
.chat-input-container {
    padding: 16px 20px;
    background: var(--bg-primary);
    border-top: 1px solid var(--border-color);
}

.chat-input-wrapper {
    display: flex;
    align-items: flex-end;
    gap: 12px;
    max-width: 800px;
    margin: 0 auto;
    background: var(--bg-secondary);
    border-radius: 28px;
    padding: 8px 8px 8px 20px;
    transition: all var(--transition-medium);
    border: 2px solid transparent;
}

.chat-input-wrapper:focus-within {
    border-color: var(--text-primary);
    box-shadow: var(--shadow-light);
}

#user-input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 1rem;
    font-family: inherit;
    resize: none;
    outline: none;
    min-height: 24px;
    max-height: 120px;
    padding: 8px 0;
    color: var(--text-primary);
}

#user-input::placeholder {
    color: var(--text-muted);
}

.send-btn {
    width: 48px;
    height: 48px;
    border: none;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.send-btn:hover {
    transform: scale(1.1);
    box-shadow: var(--shadow-medium);
}

.send-btn:active {
    transform: scale(0.95);
}

/* Ses Butonu */
.voice-btn {
    width: 48px;
    height: 48px;
    border: 2px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    flex-shrink: 0;
}

.voice-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--text-primary);
}

.voice-btn.recording {
    background: #ef4444;
    border-color: #ef4444;
    color: white;
    animation: pulse-recording 1s ease-in-out infinite;
}

@keyframes pulse-recording {
    0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4); }
    50% { transform: scale(1.05); box-shadow: 0 0 0 10px rgba(239, 68, 68, 0); }
}

/* Mesaj Play Butonu */
.message-play-btn {
    width: 32px;
    height: 32px;
    border: none;
    background: var(--text-primary);
    color: var(--bg-primary);
    border-radius: 50%;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-left: 8px;
    transition: all var(--transition-fast);
    flex-shrink: 0;
    vertical-align: middle;
}

.message-play-btn:hover {
    transform: scale(1.1);
}

.message-play-btn.playing {
    background: #22c55e;
}

.message-play-btn svg {
    width: 14px;
    height: 14px;
}

/* Mesaj içeriği düzeni */
.message-content {
    display: flex;
    align-items: flex-start;
    gap: 8px;
}

.message-text {
    flex: 1;
}

.message.author .message-content {
    flex-direction: row;
}

.disclaimer {
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 12px;
}

/* ============================================
   MODAL
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    padding: 20px;
    opacity: 0;
    transition: opacity var(--transition-medium);
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    background: var(--bg-primary);
    border-radius: 24px;
    max-width: 600px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    position: relative;
    animation: modalAppear 0.4s ease forwards;
}

@keyframes modalAppear {
    from {
        opacity: 0;
        transform: scale(0.9) translateY(20px);
    }
    to {
        opacity: 1;
        transform: scale(1) translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 16px;
    right: 16px;
    width: 40px;
    height: 40px;
    border: none;
    background: var(--bg-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    border-radius: 50%;
    transition: all var(--transition-fast);
    color: var(--text-primary);
}

.modal-close:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
}

.modal-header {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 30px;
    border-bottom: 1px solid var(--border-color);
}

.modal-avatar {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--text-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    flex-shrink: 0;
}

/* Modal Avatar - Resim veya Harf */
.modal-avatar-wrapper {
    width: 80px;
    height: 80px;
    position: relative;
    flex-shrink: 0;
}

.modal-avatar-img {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 3px solid var(--text-primary);
}

.modal-avatar-fallback {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--text-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
}

.modal-title h2 {
    font-family: 'Playfair Display', serif;
    font-size: 1.8rem;
    margin-bottom: 4px;
}

.modal-title p {
    color: var(--text-muted);
}

.modal-body {
    padding: 30px;
}

.modal-section {
    margin-bottom: 24px;
}

.modal-section:last-child {
    margin-bottom: 0;
}

.modal-section h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 12px;
    color: var(--text-primary);
}

.modal-section p {
    color: var(--text-secondary);
    line-height: 1.7;
}

.modal-section ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.modal-section ul li {
    background: var(--bg-secondary);
    padding: 8px 14px;
    border-radius: 20px;
    font-size: 0.9rem;
}

#modal-quotes .quote {
    background: var(--bg-secondary);
    padding: 16px;
    border-radius: 12px;
    margin-bottom: 12px;
    font-style: italic;
    border-left: 3px solid var(--text-primary);
}

#modal-quotes .quote:last-child {
    margin-bottom: 0;
}

/* ============================================
   YÜKLEME ANİMASYONU
   ============================================ */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    transition: opacity var(--transition-medium);
}

.loading-overlay.hidden {
    opacity: 0;
    pointer-events: none;
}

.loading-spinner {
    text-align: center;
}

.spinner-ring {
    width: 60px;
    height: 60px;
    border: 3px solid var(--border-color);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-spinner p {
    font-size: 1rem;
    color: var(--text-muted);
}

/* ============================================
   FOOTER
   ============================================ */
.main-footer {
    text-align: center;
    padding: 40px 20px;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border-color);
}

.main-footer p {
    font-size: 0.9rem;
    color: var(--text-muted);
}

/* ============================================
   RESPONSIVE TASARIM
   ============================================ */
@media (max-width: 768px) {
    .main-header {
        padding: 40px 16px 30px;
    }

    .authors-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 0 16px 40px;
    }

    .author-card {
        padding: 24px;
    }

    .message {
        max-width: 90%;
    }

    .filter-buttons {
        gap: 8px;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .modal-header {
        flex-direction: column;
        text-align: center;
    }
}

/* ============================================
   SCROLLBAR STİLLERİ
   ============================================ */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg-secondary);
}

::-webkit-scrollbar-thumb {
    background: var(--text-muted);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-primary);
}

/* ============================================
   SELECTION STİLLERİ
   ============================================ */
::selection {
    background: var(--text-primary);
    color: var(--bg-primary);
}

/* ============================================
   VR EXPERIENCE BUTTON
   ============================================ */
.vr-experience-btn {
    margin-top: 2rem;
    padding: 1.2rem 2.5rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.8rem;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.vr-experience-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left 0.5s ease;
}

.vr-experience-btn:hover::before {
    left: 100%;
}

.vr-experience-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(102, 126, 234, 0.4);
}

.vr-experience-btn:active {
    transform: translateY(-1px);
}

.vr-btn-icon {
    font-size: 1.5rem;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-5px); }
}

.vr-btn-text {
    font-family: 'Plus Jakarta Sans', sans-serif;
}

/* ============================================
   VR AUTHOR SELECTION MODAL - Yazarla Konuş Tarzı
   ============================================ */
.vr-modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(5px);
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.vr-modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.vr-modal-content {
    background: var(--bg-primary);
    border-radius: 20px;
    max-width: 900px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
    animation: slideUp 0.4s ease;
    position: relative;
    border: 1px solid var(--border-color);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.vr-modal-header {
    padding: 2rem;
    border-bottom: 2px solid var(--border-color);
    text-align: center;
    position: relative;
}

.vr-modal-header h2 {
    font-family: 'Playfair Display', serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.vr-modal-header p {
    color: var(--text-muted);
    font-size: 1rem;
}

.vr-modal-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 1;
}

.vr-modal-close:hover {
    background: var(--text-primary);
    color: var(--bg-primary);
    transform: rotate(90deg);
}

.vr-modal-body {
    padding: 2rem;
}

.vr-authors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.vr-author-card {
    background: var(--bg-primary);
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.vr-author-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(0, 0, 0, 0.05) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.vr-author-card:hover::before {
    opacity: 1;
}

.vr-author-card:hover {
    transform: translateY(-10px);
    border-color: var(--text-primary);
    box-shadow: var(--shadow-medium);
}

/* VR Author Avatar - Resim veya Harf */
.vr-author-avatar-wrapper {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
    position: relative;
}

.vr-author-avatar-img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    object-position: center top;
    border: 3px solid var(--text-primary);
}

.vr-author-avatar-fallback {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background: var(--text-primary);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Playfair Display', serif;
    font-size: 2.5rem;
    font-weight: 700;
    border: 3px solid var(--text-primary);
}

.vr-author-name {
    font-family: 'Playfair Display', serif;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.vr-author-badge {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Responsive */
@media (max-width: 768px) {
    .vr-authors-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }

    .vr-modal-content {
        width: 95%;
        max-height: 90vh;
    }

    .vr-modal-header h2 {
        font-size: 1.5rem;
    }

    .vr-experience-btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}