/* Temel sıfırlama */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    -webkit-tap-highlight-color: transparent;
}

body {
    font-family: 'Montserrat', sans-serif;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    color: #f8f8f8;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    background-image: url('arkaplan.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-color: #0a0a0a;
    touch-action: manipulation;
    -webkit-touch-callout: none;
}

/* Karartma katmanı */
.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
    z-index: 1;
}

/* Konteyner */
.login-container {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 380px;
    padding: 40px 30px;
    background: transparent;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
    border: none;
    box-shadow: none;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: containerFadeIn 1s ease-out;
}

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

.greeting {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.2rem;
    font-style: italic;
    color: #f0f0f0;
    letter-spacing: 1px;
    text-shadow: 0 2px 15px rgba(0, 0, 0, 0.9);
    margin-bottom: 30px;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.greeting.fade-out {
    opacity: 0;
    transform: translateY(-10px) scale(0.92);
    pointer-events: none;
}

.success-message .header h1 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.8rem;
    font-weight: 400;
    margin-bottom: 5px;
    letter-spacing: 2px;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.9), 0 0 10px rgba(0, 0, 0, 0.7);
}

.success-message .heart {
    color: #ffffff;
    margin: 0 8px;
    font-size: 2.2rem;
    display: inline-block;
    animation: gentlePulse 2s ease-in-out infinite;
    text-shadow: 0 0 20px rgba(255, 255, 255, 0.3);
}

@keyframes gentlePulse {
    0% { transform: scale(1); text-shadow: 0 0 10px rgba(255, 255, 255, 0.1); }
    50% { transform: scale(1.1); text-shadow: 0 0 30px rgba(255, 255, 255, 0.5); }
    100% { transform: scale(1); text-shadow: 0 0 10px rgba(255, 255, 255, 0.1); }
}

.pin-display {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    flex-wrap: wrap;
    justify-content: center;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.pin-dot {
    width: 12px;
    height: 12px;
    border: 1.5px solid rgba(255, 255, 255, 0.7);
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.pin-dot.filled {
    background-color: #ffffff;
    border-color: #ffffff;
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.6), 0 0 40px rgba(255, 255, 255, 0.3);
    transform: scale(1.2);
}

.pin-display.error .pin-dot.filled {
    background-color: #ff4d4d;
    border-color: #ff4d4d;
    box-shadow: 0 0 25px rgba(255, 77, 77, 0.8);
    animation: elegantShake 0.4s ease;
}

@keyframes elegantShake {
    0%, 100% { transform: translateX(0) scale(1.2); }
    20% { transform: translateX(-4px) scale(1.2); }
    40% { transform: translateX(4px) scale(1.2); }
    60% { transform: translateX(-4px) scale(1.2); }
    80% { transform: translateX(4px) scale(1.2); }
}

.pin-display.fade-out {
    opacity: 0;
    transform: scale(0.92) translateY(-10px);
    pointer-events: none;
}

.keypad {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    width: 100%;
    max-width: 280px;
    transition: opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1), transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.keypad.fade-out {
    opacity: 0;
    transform: scale(0.92) translateY(-10px);
    pointer-events: none;
}

.key {
    aspect-ratio: 1 / 1;
    min-width: 52px;
    min-height: 52px;
    background: rgba(0, 0, 0, 0.35);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50%;
    color: #fff;
    font-size: 1.8rem;
    font-weight: 300;
    display: flex;
    justify-content: center;
    align-items: center;
    cursor: pointer;
    transition: all 0.2s ease;
    user-select: none;
    touch-action: manipulation;
    -webkit-touch-callout: none;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.key:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.4);
}

.key:active {
    background: rgba(255, 255, 255, 0.25);
    transform: scale(0.9);
}

.empty-key {
    background: transparent;
    pointer-events: none;
    box-shadow: none;
}

.backspace svg {
    color: #c0c0c0;
    transition: color 0.2s;
}

.backspace:hover svg,
.backspace:active svg {
    color: #fff;
}

.success-message {
    display: none;
    opacity: 0;
    transform: translateY(25px) scale(0.92);
    margin-top: 10px;
    padding: 28px 22px;
    background: rgba(20, 20, 20, 0.7);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-radius: 24px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.7), 0 0 30px rgba(255, 255, 255, 0.05);
    text-align: center;
    width: 100%;
    max-width: 360px;
    transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.success-message.show {
    display: block;
    opacity: 1;
    transform: translateY(0) scale(1);
}

.success-message h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.9rem;
    font-weight: 600;
    letter-spacing: 1.5px;
    color: #fff;
    text-shadow: 0 0 15px rgba(255, 255, 255, 0.2);
    margin-bottom: 10px;
    line-height: 1.25;
}

.success-message .sub-text {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.3rem;
    font-style: italic;
    color: #f0e6e6;
    text-shadow: 0 2px 12px rgba(0, 0, 0, 0.7);
    margin-bottom: 12px;
}

.success-message .desc {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 300;
    line-height: 1.6;
    color: #f5f0f0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.6);
    margin-bottom: 25px;
    padding: 0 5px;
}

.start-btn {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.35rem;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.15), rgba(255, 255, 255, 0.05));
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: #fff;
    padding: 12px 32px;
    border-radius: 40px;
    cursor: pointer;
    transition: all 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.6);
    letter-spacing: 0.8px;
}

.start-btn:hover {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0.15));
    border-color: rgba(255, 255, 255, 0.6);
    transform: translateY(-2px) scale(1.04);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.2);
}

.rose-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    pointer-events: none;
    z-index: 999;
}

.cinematic-rose {
    position: absolute;
    width: 80px;
    height: auto;
    opacity: 0;
    filter: drop-shadow(0 10px 20px rgba(0, 0, 0, 0.9));
    animation: roseMerge 3s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes roseMerge {
    0% {
        opacity: 0;
        transform: translate(var(--startX), var(--startY)) scale(0.3) rotate(0deg);
    }
    40% {
        opacity: 1;
        transform: translate(0, 0) scale(1.4) rotate(15deg);
    }
    70% {
        opacity: 1;
        transform: translate(0, 0) scale(1.4) rotate(15deg);
    }
    100% {
        opacity: 0;
        transform: translate(0, -250px) scale(2.2) rotate(35deg);
    }
}

/* MOBİL UYUM */
@media (max-width: 480px) {
    .login-container {
        padding: 30px 16px;
        max-width: 92%;
    }
    .success-message .header h1 {
        font-size: 2.2rem;
    }
    .greeting {
        font-size: 1rem;
        margin-bottom: 20px;
    }
    .key {
        font-size: 1.6rem;
        min-width: 48px;
        min-height: 48px;
    }
    .keypad {
        gap: 14px;
        max-width: 240px;
    }
    .pin-display {
        gap: 10px;
        margin-bottom: 15px;
    }
    .pin-dot {
        width: 10px;
        height: 10px;
    }
    .success-message h2 {
        font-size: 1.6rem;
    }
    .success-message .sub-text {
        font-size: 1.1rem;
    }
    .success-message .desc {
        font-size: 0.85rem;
    }
    .start-btn {
        font-size: 1.2rem;
        padding: 10px 22px;
    }
    .cinematic-rose {
        width: 60px;
    }
    .puzzle-header h2 {
        font-size: 1.35rem;
    }
    .puzzle-icon {
        font-size: 1.1rem;
    }
    .puzzle-header p {
        font-size: 0.75rem;
        margin-bottom: 15px;
    }
    .puzzle-container {
        padding: 20px 15px;
    }
    .note-container {
        padding: 30px 18px;
        max-width: 92%;
    }
    .note-content h2 {
        font-size: 1.6rem;
    }
    .note-content p {
        font-size: 0.9rem;
        line-height: 1.6;
    }
    .note-footer {
        font-size: 1.2rem;
    }
}

@media (max-width: 360px) {
    .login-container {
        padding: 20px 12px;
    }
    .success-message .header h1 {
        font-size: 1.8rem;
    }
    .greeting {
        font-size: 0.9rem;
    }
    .key {
        font-size: 1.4rem;
        min-width: 42px;
        min-height: 42px;
    }
    .keypad {
        gap: 10px;
        max-width: 200px;
    }
    .pin-dot {
        width: 8px;
        height: 8px;
    }
    .success-message h2 {
        font-size: 1.4rem;
    }
    .success-message .sub-text {
        font-size: 1rem;
    }
    .success-message .desc {
        font-size: 0.8rem;
    }
    .start-btn {
        font-size: 1rem;
        padding: 8px 18px;
    }
    .cinematic-rose {
        width: 50px;
    }
    .note-container {
        padding: 20px 12px;
    }
    .note-content h2 {
        font-size: 1.3rem;
    }
    .note-content p {
        font-size: 0.8rem;
    }
}

/* PUZZLE EKRANI - 3x3 */
.puzzle-container {
    display: none;
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 420px;
    padding: 30px 20px;
    background: rgba(20, 20, 20, 0.75);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 15px 35px rgba(0,0,0,0.5);
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.puzzle-container.show {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.puzzle-header h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.8rem;
    color: #fff;
    margin-bottom: 8px;
    letter-spacing: 1px;
}

.puzzle-header p {
    font-size: 0.85rem;
    color: #e0e0e0;
    margin-bottom: 25px;
    line-height: 1.5;
    padding: 0 10px;
}

/* 3x3 Izgara */
.puzzle-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-template-rows: repeat(3, 1fr);
    gap: 4px;
    width: 100%;
    aspect-ratio: 1;
    background: #fff;
    padding: 6px;
    border-radius: 8px;
}

.puzzle-piece {
    width: 100%;
    height: 100%;
    background-image: url('biz.jpg');
    background-size: 300% 300%;
    cursor: pointer;
    border-radius: 4px;
    transition: transform 0.2s, box-shadow 0.2s, filter 0.2s;
}

.puzzle-piece.selected {
    transform: scale(0.85);
    box-shadow: 0 0 15px rgba(255, 192, 203, 0.8);
    border: 2px solid pink;
    z-index: 10;
}

.puzzle-icon {
    font-size: 0.9em;
    color: #ffffff;
    vertical-align: middle;
}

/* NOT EKRANI */
.note-container {
    display: none;
    position: relative;
    z-index: 4;
    width: 100%;
    max-width: 500px;
    max-height: 85vh;
    overflow-y: auto;
    padding: 50px 40px;
    background: #fdfcf8;
    border-radius: 8px;
    box-shadow: 
        0 25px 50px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(0,0,0,0.05),
        inset 0 0 30px rgba(220, 210, 190, 0.4);
    text-align: left;
    opacity: 0;
    transform: translateY(30px) scale(0.95);
    transition: all 0.8s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.note-container::-webkit-scrollbar {
    width: 6px;
}
.note-container::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.03);
    border-radius: 10px;
    margin: 20px 0;
}
.note-container::-webkit-scrollbar-thumb {
    background: rgba(44, 62, 80, 0.3);
    border-radius: 10px;
}
.note-container::-webkit-scrollbar-thumb:hover {
    background: rgba(44, 62, 80, 0.5);
}

.note-container.show {
    display: block;
    opacity: 1;
    transform: translateY(0) scale(1);
}

.note-container::before {
    content: '';
    position: absolute;
    top: 10px;
    left: 50%;
    width: 120px;
    height: 25px;
    background: rgba(255, 255, 255, 0.6);
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    backdrop-filter: blur(4px);
    transform: translateX(-50%) rotate(-2deg);
    border-radius: 2px;
    z-index: 5;
}

.note-content h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.8rem;
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 25px;
    border-bottom: 1px solid rgba(44, 62, 80, 0.2);
    padding-bottom: 10px;
    text-shadow: none;
}

.note-content p {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    font-weight: 400;
    line-height: 1.8;
    color: #34495e;
    margin-bottom: 18px;
    text-align: justify;
    text-shadow: none;
}

.note-footer {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.4rem;
    font-style: italic;
    color: #c0392b;
    margin-top: 30px;
    text-align: right;
    text-shadow: none;
}

.typing-cursor::after {
    content: '|';
    animation: blink 1s step-start infinite;
    color: #2c3e50;
    margin-left: 2px;
}
@keyframes blink { 50% { opacity: 0; } }

/* MOBİL UYUM (Not Ekranı) */
@media (max-width: 480px) {
    .note-container {
        padding: 40px 25px;
        max-width: 90%;
        margin: 0 auto;
    }
    .note-content h2 {
        font-size: 1.4rem;
        margin-bottom: 15px;
    }
    .note-content p {
        font-size: 0.85rem;
        line-height: 1.6;
        margin-bottom: 12px;
    }
    .note-footer {
        font-size: 1.15rem;
        margin-top: 20px;
    }
}

@media (max-width: 360px) {
    .note-container {
        padding: 30px 20px;
        max-width: 94%;
    }
    .note-content h2 {
        font-size: 1.25rem;
    }
    .note-content p {
        font-size: 0.8rem;
    }
}

/* SAYFA KAYDIRMA (SCROLL) MODU */
body.scroll-mode {
    overflow-y: auto;
    flex-direction: column;
    justify-content: flex-start;
    padding: 40px 0 80px 0;
    height: auto;
    min-height: 100vh;
}

body.scroll-mode .note-container {
    max-height: none; 
    overflow-y: visible;
    margin-top: 20px;
}

.scroll-hint {
    font-family: 'Montserrat', sans-serif;
    font-size: 1rem;
    font-weight: 300;
    font-style: italic;
    color: #fdfcf8;
    margin: 30px 20px 40px 20px;
    text-align: center;
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
    opacity: 0;
    transition: opacity 1.5s ease;
    animation: bounceDown 2s infinite;
}

@keyframes bounceDown {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

.album-container {
    margin-top: 10px;
    margin-bottom: 30px;
}

/* ⭐ ALBÜM & ANI DEFTERİ TASARIMI (GÜNCELLENDİ) */
.album-container {
    display: none;
    position: relative;
    z-index: 5;
    width: 100%;
    max-width: 480px;
    padding: 30px 20px;
    text-align: center;
    opacity: 0;
    transform: scale(0.95);
    transition: all 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.album-container.show {
    display: block;
    opacity: 1;
    transform: scale(1);
}

.album-header h2 {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.35rem; /* Boyut küçültüldü */
    font-weight: 400; /* Daha zarif ve premium bir kalınlık */
    color: #fdfcf8;
    margin-bottom: 5px;
    letter-spacing: 3px; /* Premium görünüm için harf arası açıldı */
    text-shadow: 0 2px 10px rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px; /* Yazı ve ikonlar arası boşluk */
}

/* İkonların boyutunu metne göre bir tık daha dengeli yapmak için */
.album-header h2 span {
    font-size: 1.1rem;
    opacity: 0.9;
}

.album-header p {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    color: #dcdcdc;
    margin-bottom: 30px;
}

/* Defterin Kendisi */
.book-wrapper {
    position: relative;
    width: 100%;
    max-width: 320px;
    aspect-ratio: 3 / 4;
    margin: 0 auto;
    background-color: #e0d8c8; /* Arkadan görünen sert kapak rengi */
    border-radius: 6px 18px 18px 6px;
    box-shadow: 
        -15px 15px 30px rgba(0,0,0,0.6),
        inset 5px 0 15px rgba(0,0,0,0.1);
    overflow: hidden;
    perspective: 1200px; /* 3D derinlik */
}

/* Sayfalar - Noktalar Kaldırıldı, Premium Kağıt Dokusu Eklendi */
.book-page {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #f9f5ed;  /* sıcak kağıt tonu */
    background-image: repeating-linear-gradient(
        transparent,
        transparent 24px,
        rgba(0, 0, 0, 0.05) 24px,
        rgba(0, 0, 0, 0.05) 25px
    );
    background-size: 100% 100%;
    background-position: 0 0;
    box-shadow: inset 12px 0 25px rgba(0, 0, 0, 0.06);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;

    /* Geçiş efektleri aynen korundu */
    transition: transform 0.9s cubic-bezier(0.23, 1, 0.32, 1),
                opacity 0.9s cubic-bezier(0.23, 1, 0.32, 1),
                filter 0.9s cubic-bezier(0.23, 1, 0.32, 1);
    transform-origin: center center;
    pointer-events: none;
}
/* Geçmiş Sayfalar (Geriye doğru uçar ve bulanıklaşır) */
.book-page.past {
    opacity: 0;
    transform: translateX(-50px) translateZ(-150px) rotateY(15deg) scale(0.85);
    filter: blur(8px);
    z-index: 1;
}

/* Aktif Sayfa (Ekranda net ve önde durur) */
.book-page.active {
    opacity: 1;
    transform: translateX(0) translateZ(0) rotateY(0deg) scale(1);
    filter: blur(0);
    pointer-events: auto;
    z-index: 5;
}

/* Gelecek Sayfalar (Sağdan gelir, bulanıktır) */
.book-page.future {
    opacity: 0;
    transform: translateX(50px) translateZ(-150px) rotateY(-15deg) scale(0.85);
    filter: blur(8px);
    z-index: 1;
}

/* Gerçekçi Polaroid Çerçevesi */
.photo-frame {
    width: 78%;
    background: #fafafa;
    padding: 12px 12px 50px 12px; /* Alt kısmı geniş (Polaroid) */
    box-shadow: 
        2px 8px 20px rgba(0,0,0,0.2),
        0 0 2px rgba(0,0,0,0.1);
    border-radius: 3px;
    transform: rotate(-3deg);
    z-index: 2;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative; /* Yazının üstüne oturması için */
}

.book-page:nth-child(even) .photo-frame {
    transform: rotate(3deg);
}

.photo-frame img {
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
    box-shadow: inset 0 0 8px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.05);
}

/* Fotoğraf Altına El Yazısı Tarzı Not */
.photo-caption {
    font-family: 'Cormorant Garamond', serif;
    font-style: italic;
    font-weight: 600;
    font-size: 1.3rem;
    color: #2c3e50;
    position: absolute;
    bottom: 12px;
    left: 0;
    width: 100%;
    text-align: center;
    background: transparent;
    padding: 0;
}

/* Sticker Efekti (isteğe bağlı) */
.sticker-icon {
    position: absolute;
    top: -12px;
    right: -12px;
    font-size: 2rem;
    color: #d82b2b;
    transform: rotate(15deg);
    filter: drop-shadow(2px 2px 4px rgba(0,0,0,0.3));
    z-index: 4;
}

/* Albüm Kontrolleri */
.album-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 20px;
    margin-top: 30px;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #555;
    cursor: pointer;
    box-shadow: 0 4px 15px rgba(0,0,0,0.3);
    transition: all 0.2s;
}
.nav-btn:active { transform: scale(0.9); }
.nav-btn:disabled { opacity: 0.3; pointer-events: none; }

.page-indicator {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.95rem;
    color: #fff;
    letter-spacing: 2px;
}

/* MOBİL İÇİN KÜÇÜK AYARLAR (Albüm) */
@media (max-width: 360px) {
    .book-wrapper { max-width: 260px; }
    .cover-card .title { font-size: 2.2rem; }
    .nav-btn { width: 38px; height: 38px; }
}

.cover-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
    padding: 20px;
    text-align: center;
}

.cover-card .subtitle {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    letter-spacing: 3px;
    color: #555555; /* Okunabilir koyu gri */
    margin-bottom: 15px;
    text-transform: lowercase;
}

.cover-card .title {
    font-family: 'Cormorant Garamond', serif;
    font-size: 2.8rem;
    font-style: italic;
    color: #2c3e50; /* Zarif, koyu lacivert/füme tonu */
    margin-bottom: 20px;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.05);
}

.cover-card .footer-text {
    font-family: 'Cormorant Garamond', serif;
    font-size: 1.2rem;
    font-style: italic;
    color: #7f8c8d; /* Yumuşak bir gri tonu */
}