body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #0f0f0f;
    color: #f5f5f5;
}

.vault-header{
    display:flex;
    align-items:center;
    justify-content:space-between;
    padding:15px 40px;
    background:linear-gradient(90deg, #1a1a1a, #111);
    border-bottom:1px solid #222;
}

.vault-logo a {
    display: flex;
    align-items: center;
    text-decoration: none;
    color: #ffd700;
    font-size: 20px;
    font-weight: bold;
}

.vault-logo img {
    height: 35px;
    margin-right: 10px;
}
.vault-logo{
    flex:0 0 auto;
}
.vault-nav{
    display:flex;
    gap:25px;
    flex:1 1 auto;      /* nav can shrink */
    justify-content:center;
}
.vault-nav a{
    text-decoration:none;
    color:#ccc;
    font-weight:500;
    transition:0.3s;
}

.vault-nav a:hover{
    color:#ffd700;
}

.vault-actions{
    display:flex;
    align-items:center;
    gap:15px;
    flex:0 0 auto;      /* 🔥 prevent shrinking */
}
.vault-tab{
    padding:12px 25px;
    border-radius:25px;
    background:#1f1f1f;
    color:#fff;
    text-decoration:none;
    font-weight:600;
    transition:0.3s;
}

.vault-tab:hover{
    background:#f4a261;
    color:#000;
}
.vault-sections{
    display:flex;
    justify-content:center;
    gap:40px;
    padding:60px 20px;
    flex-wrap:wrap;
}

.vault-card{
    background:#1a1a1a;
    padding:30px;
    border-radius:15px;
    width:280px;
    text-align:center;
    box-shadow:0 10px 30px rgba(0,0,0,0.4);
    transition:0.3s;
}

.vault-card:hover{
    transform:translateY(-6px);
}

.vault-card h2{
    color:#f4a261;
}

.vault-btn{
display:inline-block;
margin-top:15px;
padding:10px 22px;

background:#1a1a1a;
color:#ffd700;

border:1px solid #d4af37;
border-radius:22px;

text-decoration:none;
font-weight:bold;

transition:0.25s ease;
}

.vault-btn:hover{
background:#d4af37;
color:#111;
}

/* =========================
   PAGE CONTAINER
========================= */

.vault-content{
    max-width:1200px;
    margin:0 auto;
    padding:0 20px;
}
/* =========================
   GRID
========================= */

.vault-grid{
    display:grid;
    grid-template-columns:repeat(auto-fill, minmax(160px, 1fr));
    gap:25px;
    padding:40px;
    max-width:1200px;
    margin:auto;
}

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

.vault-item img{
    width:160px;              /* fixed width */
    height:240px;             /* portrait ratio */
    object-fit:cover;
    border-radius:10px;
    box-shadow:0 10px 25px rgba(0,0,0,0.5);
    transition:0.3s ease;
}

.vault-item img:hover{
    transform:translateY(-6px);
}
.search-form input{
    padding:8px 14px;
    border-radius:20px;
    border:1px solid #333;
    background:#1a1a1a;
    color:#fff;
    outline:none;
    width:180px;
    transition:0.3s;
}

.search-form input:focus{
    border-color:#f4a261;
}

.subscribe-btn{
    background:#f4a261;
    color:#000;
    padding:6px 14px;
    border-radius:20px;
    text-decoration:none;
    font-weight:bold;
    transition:0.3s;
}

.subscribe-btn:hover{
    background:#ffb77a;
}

.login-btn, .profile-btn, .logout-btn {
    
    color: #ccc;
    text-decoration: none;
}

.preview-badge{
position:absolute;
top:6px;
right:6px;
background:#c59d3a;
color:white;
padding:4px 8px;
font-size:12px;
border-radius:4px;
}

.vault-footer {
    background: #111;
    padding: 40px 30px;
    margin-top: 60px;
    border-top: 1px solid #222;
}

.footer-section {
    margin-bottom: 20px;
}

.footer-section h4 {
    color: #ffd700;
}

.footer-section a {
    display: block;
    color: #ccc;
    text-decoration: none;
    margin: 5px 0;
}

.footer-bottom {
    margin-top: 20px;
    font-size: 14px;
    color: #888;
}
/* =====================================
   TREASURE VAULT SHELF (WOODEN 3D)
===================================== */

.vault-section{
max-width:1200px;
margin:70px auto;
padding:0 20px;
}

.vault-title{
font-size:26px;
margin-bottom:30px;
color:#ffd700;
}

/* SHELF GRID */

.vault-shelf{
display:grid;
grid-template-columns:repeat(auto-fill,160px);
justify-content:center;
gap:40px;

position:relative;
}

/* WOODEN PLANK */



/* SHELF SHADOW */


/* =====================================
   BOOK STYLE
===================================== */

.vault-book{
width:160px;
position: relative; /* REQUIRED: This anchors the sparkle to the book */
    overflow: hidden;   /* Keeps the sparkle from flying outside the book borders */
    display: inline-block;
    transition: transform 0.3s ease;
}

.vault-book img{

width:160px;
height:240px;

object-fit:cover;

border-radius:10px;

box-shadow:
0 12px 25px rgba(0,0,0,0.5);

transition:
transform .25s ease,
box-shadow .25s ease;

}
/* =====================================
   WOODEN SHELF UNDER EACH BOOK
===================================== */

.vault-book::after{

content:"";

position:absolute;
bottom:-10px;
left:-10px;
right:-10px;

height:18px;

/* wood plank */

background:linear-gradient(
to bottom,
#d89a58,
#8b5a2b
);

border-radius:3px;

/* shelf depth */

box-shadow:
0 6px 12px rgba(0,0,0,0.45),
inset 0 2px 3px rgba(255,255,255,0.35);

}

/* shelf shadow */

.vault-book::before{

content:"";

position:absolute;
bottom:-22px;
left:-6px;
right:-6px;

height:10px;

background:rgba(0,0,0,0.35);

filter:blur(6px);

border-radius:50%;

}
/* =====================================
   BOOK LIFT EFFECT
===================================== */

.vault-book:hover img{

transform:translateY(-16px) scale(1.05);

box-shadow:
0 22px 40px rgba(0,0,0,0.65),
0 0 18px rgba(212,175,55,0.65);

}

/* =====================================
   BOOK DANCE
===================================== */

.vault-book:hover img{
animation:bookDance .6s ease;
}

@keyframes bookDance{

0%{ transform:rotate(0deg); }

25%{ transform:rotate(-3deg); }

50%{ transform:rotate(3deg); }

75%{ transform:rotate(-2deg); }

100%{ transform:rotate(0deg); }

}

/* =====================================
   TREASURE SPARKLE
===================================== */
/* The main sparkle container */
.sparkle, .sparkle::before, .sparkle::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    background: #ffd700;
    border-radius: 50%;
    opacity: 0;
    pointer-events: none;
    box-shadow: 0 0 10px #ffd700;
}

/* Creating two extra sparks without extra HTML */
.sparkle::before, .sparkle::after {
    content: '';
}

/* Triggering all three on hover */
.vault-book:hover .sparkle { animation: sparkleCenter 0.8s ease-out; }
.vault-book:hover .sparkle::before { animation: sparkleLeft 0.8s ease-out 0.1s; }
.vault-book:hover .sparkle::after { animation: sparkleRight 0.8s ease-out 0.2s; }

/* 1. Center Sparkle (up) */
@keyframes sparkleCenter {
    0% { opacity: 1; transform: translate(-50%, -50%) scale(0.5); }
    100% { opacity: 0; transform: translate(-50%, -180%) scale(1.5); }
}

/* 2. Left Sparkle (diagonal) */
@keyframes sparkleLeft {
    0% { opacity: 1; transform: translate(-50%, -50%) scale(0.5); }
    100% { opacity: 0; transform: translate(-150%, -120%) scale(1.2); }
}

/* 3. Right Sparkle (diagonal) */
@keyframes sparkleRight {
    0% { opacity: 1; transform: translate(-50%, -50%) scale(0.5); }
    100% { opacity: 0; transform: translate(50%, -120%) scale(1.2); }
}
/* =====================================
   LOAD MORE BUTTON
===================================== */
#weekly, #monthly {
    text-align: center;
}
.load-more-btn{

display:block;
width:160px;

margin:40px auto;

padding:10px 0;

background:#c89b3c;
color:#111;

border-radius:22px;
border:none;

font-weight:600;

cursor:pointer;

text-align:center;

box-shadow:
0 4px 12px rgba(0,0,0,0.6),
0 0 8px rgba(212,175,55,0.4);

}
.load-more-btn {
    display: inline-block;
    margin: 20px auto;
    padding: 12px 35px;
    
    /* Matching the gold theme */
    background: transparent;
    color: #d4af37;
    border: 2px solid #d4af37;
    border-radius: 30px;
    
    font-weight: 600;
    font-size: 16px;
    text-decoration: none;
    text-transform: uppercase;
    letter-spacing: 1px;
    
    transition: all 0.3s ease;
    cursor: pointer;
}

.load-more-btn:hover {
    background: #d4af37;
    color: #000;
    box-shadow: 0 0 15px rgba(212, 175, 55, 0.4);
    transform: translateY(-2px);
}

/* hide covers initially */

.hidden-cover{
display:none;
}

/* =====================================
   MOBILE
===================================== */

@media(max-width:768px){

.vault-shelf{
grid-template-columns:repeat(2,1fr);
gap:25px;
}

.vault-book img{
width:100%;
height:200px;
}

}
.vault-cta{
text-align:center;
margin:60px 0 80px 0;
}

.vault-cta a{
display:inline-block;

padding:16px 45px 20px 45px;

background:#111;

color:#ffd700 !important;

border:2px solid #d4af37;

border-radius:30px;

font-weight:700;
font-size:18px;

text-decoration:none !important;

box-shadow:0 0 12px rgba(212,175,55,0.5);

transition:0.25s;
}

.vault-cta a:hover{
background:#d4af37;
color:#111 !important;
}
}