@import url('https://fonts.googleapis.com/css2?family=Inter:ital,opsz,wght@0,14..32,100..900;1,14..32,100..900&family=Noto+Sans:ital,wght@0,100..900;1,100..900&family=Puritan:ital,wght@0,400;0,700;1,400;1,700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:ital,wght@0,100..800;1,100..800&display=swap');
*{
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: "Inter", sans-serif;
}

h1, h2, h3, h4, h5, h6{
    margin: 0!important;
    color: var(--ink)!important;
    font-weight: 700!important;
    letter-spacing: -0.015em;
}

h1{
    font-size: 56px!important;
}

h2{
    font-size: 48px!important;
}

h3{
    font-size: 32px!important;
}

h4{
    font-size: 24px!important;
}

h5{
    font-size: 16px!important;
}

h6{
    font-size: 12px!important;
}

html{
    scroll-behavior: smooth;
}

@media(max-width: 768px){
    .container{
        max-width: 1100px!important;
    }

    h1{
        font-size: 32px!important;
    }
    
    h2{
        font-size: 24px!important;
    }
    
    h3{
        font-size: 20px!important;
    }
    
    h4{
        font-size: 18px!important;
    }
    
    h5{
        font-size: 16px!important;
    }
    
    h6{
        font-size: 14px!important;
    }
}

@media(min-width: 768px){
    .container{
        max-width: 1100px!important;
    }
}

:root{
    --home-ink: #102a36;
    --home-ink-soft: #1a3f4c;
    --home-teal: #176b68;
    --home-teal-dark: #105451;
    --home-mint: #dcefe8;
    --home-paper: #fff;
    --home-surface: #ffffff;
    --home-line: #dbe5e0;
    --home-muted: #667a80;
    --home-accent: #e4b85c;
    --ink:#1d1d1f;
    --line:#ccc;
    --ink-soft:#13303d;
    --paper:#fff;
    --paper-dim:#dbe3de;
    --surface: #f5f5f7;
    --ink-soft: #6e6e73;
    --teal:#1A4D5C;
    --ink-faint: #a1a1a6;
    --amber:#D4A857;
    --red:#C44536;
    --serif: "Inter", sans-serif;
    --mono: "JetBrains Mono", monospace;
}
body{
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--serif);
    -webkit-font-smoothing: antialiased;
}

a{
    text-decoration: none!important;
    color: var(--ink);
}

.hero{
   background-color: var(--ink);
   color: var(--paper);
}

.hero-row{
    max-width: 1100px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}
.hero-row+div{
    width: 50%;
}

.hero-row h1{
    font-size: clamp(2rem, 5vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 0 0 1rem;
}   
.hero-row p{
    font-size: 1rem;
    font-weight: 400;
    line-height: 1.5;
    margin: 0;
}
.hero-row .visual{
    background-color: var(--ink-soft);
    border-radius: 0.5rem;
    padding: 1rem;
}
.visual-row{
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.visual-col{
   width: 100%;
}   
.visual-item{
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    border-bottom: 0.5px solid var(--line);
    padding-bottom: 0.5rem;
}
.visual-col:last-child .visual-item{
    border-bottom: none;
    padding-bottom: 0;
}
.visual-item-title span{
    font-size: 0.8rem;
    font-weight: 400;
    line-height: 1.5;
    margin: 0;
    text-transform: uppercase;
}
.visual-number span{
    font-size: 0.8rem;
    font-weight: 700;
    line-height: 1.5;
    margin: 0;
    color: var(--amber);
}
.visuals .visual-number{

}

@media (max-width: 768px){
    .hero-row{
        grid-template-columns: 1fr;
    }

    .visual-row{
        flex-direction: column;
    }

    .visual-col{
        width: 100%;
    }
}

/* CONTROLS */
.control-strip{
    background:var(--paper);
    border-bottom:1px solid var(--line);
    padding: 2rem 1rem;
    position:sticky;
    top:0;
    z-index:50;
    backdrop-filter:blur(6px);
    background:rgba(232,237,233,0.96);
}
.control-inner{
    max-width: 1100px;
    margin: 0 auto;
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    align-items: center;
}
.search-box{
    flex: 1 1 260px;
    display: flex;
    align-items: center;
    background: #fff;
    border: 1.5px solid var(--ink);
    border-radius: 3px;
    padding: 0 14px;
}
.search-box svg{flex-shrink:0; opacity:0.5;}
.search-box input{
    border:none;
    outline:none;
    background:transparent;
    font-family:var(--mono);
    font-size:14px;
    padding:11px 10px;
    width:100%;
    color:var(--ink);
}
.search-box input::placeholder{
    color:#8a99a0;
}
select.filter-select{
    font-family:var(--mono);
    font-size:13px;
    padding:11px 12px;
    border:1.5px solid var(--ink);
    border-radius:3px;
    background:#fff;
    color:var(--ink);
    cursor:pointer;
}

.result-count{
    font-family:var(--mono);
    font-size:12px;
    color:var(--teal);
    letter-spacing:0.04em;
    white-space:nowrap;
    margin-left:auto;
}

.dept-section{
    margin-bottom:54px;
}
.dept-header{
    display:flex;
    align-items:baseline;
    gap: 1rem;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--ink);
}
.dept-tag{
    font-family:var(--mono);
    font-size:11px;
    background:var(--ink);
    color:var(--amber);
    padding:3px 8px;
    border-radius:2px;
    letter-spacing:0.05em;
}
.dept-header h2{
    font-family:var(--serif);
    font-size:24px;
    margin:0;
    font-weight:700;
}
.dept-count{
    font-family:var(--mono);
    font-size:12px;
    color:#7a8a90;
    margin-left:auto;
}

.card-grid{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1rem;
}

  /* ============ FILE CARD (signature element) ============ */
.file-card{
    background: #fdfdfb;
    border: 1px solid var(--ink);
    border-radius: 2px;
    padding: 0;
    position: relative;
    transition: transform 0.15s ease, box-shadow 0.15s ease;
    display: flex;
    flex-direction: column;
    box-shadow: 3px 3px 0 rgba(11,29,38,0.08);
}
.file-card:hover{
    transform: translate(-2px,-2px);
    box-shadow: 5px 5px 0 rgba(11,29,38,0.18);
}
.card-top{
    display:flex;
    justify-content:space-between;
    align-items:flex-start;
    padding:14px 16px 10px;
    border-bottom:1px dashed var(--line);
}
.card-id{
    font-family:var(--mono);
    font-size:11px;
    color:#9aa8ad;
    letter-spacing:0.04em;
}
.card-type{
    font-family:var(--mono);
    font-size:10px;
    font-weight:700;
    letter-spacing:0.06em;
    padding:2px 7px;
    border-radius:2px;
    text-transform:uppercase;
}
.type-pdf{background:#fde9e6; color:var(--red);}
.type-doc{background:#e2eef5; color:var(--teal);}
.type-ppt{background:#fdf1dc; color:#9c6b1f;}

.card-body{
    padding:14px 16px 8px;
    flex:1;
}
.card-body h3{
    font-family:var(--serif);
    font-size:17px;
    font-weight:600;
    margin:0 0 8px;
    line-height:1.3;
}
.card-meta{
    font-family:var(--mono);
    font-size:11.5px;
    color:#5d6e74;
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:10px;
}
.card-meta span{display:flex; align-items:center; gap:4px;}

.card-bottom{
    padding:12px 16px 16px;
    display:flex;
    justify-content:space-between;
    align-items:center;
}
.course-pill{
    font-family:var(--mono);
    font-size:10.5px;
    color:var(--teal);
    border:1px solid var(--teal);
    border-radius:20px;
    padding:3px 10px;
}
.dl-btn{
    font-family:var(--mono);
    font-size:12px;
    font-weight:700;
    letter-spacing:0.03em;
    background:var(--ink);
    color:var(--paper);
    border:none;
    padding:9px 14px;
    border-radius:2px;
    display:inline-flex;
    align-items:center;
    gap:7px;
    text-decoration:none;
    cursor:pointer;
    transition:background 0.15s;
}
.dl-btn:hover{background:var(--teal);}
.dl-btn svg{width:13px; height:13px;}

.rx-mark{
    position:absolute;
    top:-10px;
    right:14px;
    font-family:var(--serif);
    font-style:italic;
    font-weight:700;
    font-size:20px;
    color:var(--amber);
    background:var(--paper);
    padding:0 4px;
}

/* empty state */
.empty-state{
    text-align:center;
    padding:80px 20px;
    font-family:var(--mono);
    color:#7a8a90;
    display:none;
}
.empty-state.show{display:block;}
.empty-state .ico{font-size:32px; margin-bottom:14px;}      
.dept-section.hidden-section{display:none;}
.file-card.hidden-card{display:none;}

footer {
    background: var(--ink);
    color: rgba(232, 237, 233, 0.6);
    font-family: var(--mono);
    font-size: 12px;
    padding: 30px 24px;
    text-align: center;
    line-height: 1.7;
}

#pdfPreview{
    max-width:900px;
    margin:auto;
}

.preview-page{
    text-align:center;
}

.preview-page canvas{
    width:100%;
    max-width:850px;
    height:auto;
    border-radius:12px;
    box-shadow:0 8px 30px rgba(0,0,0,.12);
}