/* ==========================================
   IMAGE TO PDF PRO ULTIMATE
   Version: 2.0
   Author: Prince
========================================== */

/* ===== CSS RESET ===== */

*,
*::before,
*::after{
    margin:0;
    padding:0;
    box-sizing:border-box;
}

:root{

    /* Colors */
    --primary:#2563eb;
    --primary-dark:#1d4ed8;

    --success:#10b981;
    --danger:#ef4444;
    --warning:#f59e0b;

    --text:#111827;
    --text-light:#6b7280;

    --bg:#f4f7fb;
    --card:#ffffffcc;

    --border:rgba(255,255,255,.25);

    --shadow:
    0 8px 30px rgba(0,0,0,.08);

    --radius:18px;

    --transition:.25s ease;

    --glass:
    rgba(255,255,255,.55);

    --blur:16px;

}

/* ===== DARK MODE ===== */

body.dark{

    --text:#f3f4f6;
    --text-light:#9ca3af;

    --bg:#0f172a;

    --card:rgba(30,41,59,.7);

    --glass:rgba(30,41,59,.65);

    --border:rgba(255,255,255,.08);

    --shadow:
    0 10px 40px rgba(0,0,0,.45);
}

/* ===== BODY ===== */

body{
    background:var(--bg);
    color:var(--text);
    font-family:
    Inter,
    Arial,
    sans-serif;

    min-height:100vh;

    transition:
    background .3s,
    color .3s;
}

/* ===== APP WRAPPER ===== */

.img2pdf-app{

    max-width:1200px;

    margin:30px auto;

    padding:20px;
}

/* ===== GLASS CARD ===== */

.glass-card{

    background:var(--glass);

    backdrop-filter:
    blur(var(--blur));

    -webkit-backdrop-filter:
    blur(var(--blur));

    border:
    1px solid var(--border);

    border-radius:
    var(--radius);

    box-shadow:
    var(--shadow);
}

/* ===== HEADER ===== */

.tool-header{

    text-align:center;

    padding:25px;
}

.tool-header h1{

    line-height:1.7;
   font-size:clamp(
        2rem,
        4vw,
        3rem
    );

    margin-bottom:10px;

    background:
    linear-gradient(
        135deg,
        #2563eb,
        #10b981
    );

    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
}

.tool-header p{

    color:var(--text-light);

    line-height:1.7;
}

/* ===== TOOLBAR ===== */

.toolbar{

    margin-top:20px;

    display:grid;

    grid-template-columns:
    repeat(
        auto-fit,
        minmax(180px,1fr)
    );

    gap:15px;
}

.tool-group{

    display:flex;
    flex-direction:column;
    gap:6px;
}

.tool-group label{

    font-size:13px;
    font-weight:600;
}

.tool-group input,
.tool-group select{

    width:100%;

    padding:12px 14px;

    border-radius:14px;

    border:1px solid var(--border);

    background:
    rgba(255,255,255,.65);

    color:#111827;

    outline:none;
}

body.dark
.tool-group input,
body.dark
.tool-group select{

    background:
    rgba(15,23,42,.6);

    color:white;
}

/* ===== UPLOAD BOX ===== */

.upload-box{

    position:relative;

    margin-top:25px;

    min-height:220px;

    display:flex;

    flex-direction:column;

    align-items:center;

    justify-content:center;

    text-align:center;

    cursor:pointer;

    border-radius:20px;

    border:2px dashed
    rgba(37,99,235,.3);

    transition:
    var(--transition);

    overflow:hidden;
}

.upload-box:hover{

    border-color:
    var(--primary);

    transform:
    translateY(-3px);
}

.upload-box.dragover{

    background:
    rgba(37,99,235,.1);

    border-color:
    var(--primary);

    transform:
    scale(1.02);
}

.upload-box input{

    position:absolute;

    inset:0;

    width:100%;
    height:100%;

    opacity:0;

    cursor:pointer;
}

.upload-icon{

    font-size:64px;

    margin-bottom:12px;
}

.upload-title{

    font-size:20px;
    font-weight:700;

    margin-bottom:6px;
}

.upload-subtitle{

    color:var(--text-light);
}

/* ===== STATS BAR ===== */

.stats-bar{

    margin-top:20px;

    padding:16px;

    display:flex;

    justify-content:space-between;

    align-items:center;

    flex-wrap:wrap;

    gap:10px;
}

.stat{

    font-size:14px;

    font-weight:600;
}

/* ===== PREVIEW GRID ===== */

.preview-grid{

    margin-top:25px;

    display:grid;

    grid-template-columns:
    repeat(
        auto-fill,
        minmax(220px,1fr)
    );

    gap:18px;
}

/* ===== PREVIEW CARD ===== */

.preview-card{

    position:relative;

    overflow:hidden;

    transition:
    var(--transition);

    border-radius:
    var(--radius);

    background:
    var(--glass);

    border:
    1px solid var(--border);

    box-shadow:
    var(--shadow);
}

.preview-card:hover{

    transform:
    translateY(-6px);
}

.preview-card img{

    width:100%;

    height:220px;

    object-fit:cover;

    display:block;
}

.preview-info{

    padding:12px;
}

.preview-name{

    font-size:14px;

    font-weight:600;

    overflow:hidden;

    white-space:nowrap;

    text-overflow:ellipsis;
}

.preview-size{

    margin-top:4px;

    font-size:12px;

    color:var(--text-light);
}

/* ===== ACTIONS ===== */

.preview-actions{

    padding:12px;

    display:flex;

    justify-content:center;

    flex-wrap:wrap;

    gap:8px;
}

/* ===== BUTTONS ===== */

.btn{

    border:none;

    cursor:pointer;

    border-radius:14px;

    padding:10px 14px;

    font-size:14px;

    font-weight:600;

    transition:
    var(--transition);
}

.btn:hover{

    transform:
    translateY(-2px);
}

.btn-primary{

    background:
    linear-gradient(
        135deg,
        #2563eb,
        #3b82f6
    );

    color:white;
}

.btn-success{

    background:
    linear-gradient(
        135deg,
        #10b981,
        #059669
    );

    color:white;
}

.btn-danger{

    background:
    linear-gradient(
        135deg,
        #ef4444,
        #dc2626
    );

    color:white;
}

.btn-warning{

    background:
    linear-gradient(
        135deg,
        #f59e0b,
        #d97706
    );

    color:white;
}

/* ===== MAIN ACTIONS ===== */

.main-actions{

    margin-top:25px;

    display:flex;

    justify-content:center;

    gap:12px;

    flex-wrap:wrap;
}

/* ===== PROGRESS OVERLAY ===== */

.progress-overlay{

    position:fixed;

    inset:0;

    display:none;

    justify-content:center;

    align-items:center;

    background:
    rgba(0,0,0,.5);

    backdrop-filter:
    blur(5px);

    z-index:9999;
}

.progress-card{

    width:320px;

    padding:25px;

    text-align:center;

    border-radius:20px;

    background:white;
}

.progress-bar{

    width:100%;

    height:12px;

    background:#e5e7eb;

    border-radius:20px;

    overflow:hidden;

    margin-top:15px;
}

.progress-fill{

    width:0;

    height:100%;

    background:
    linear-gradient(
        90deg,
        #2563eb,
        #10b981
    );

    transition:.3s;
}

/* ===== MODAL ===== */

.modal{

    position:fixed;

    inset:0;

    background:
    rgba(0,0,0,.65);

    display:none;

    justify-content:center;

    align-items:center;

    z-index:99999;
}

.modal-content{

    width:min(
        95vw,
        900px
    );

    max-height:90vh;

    overflow:auto;

    padding:20px;

    border-radius:20px;

    background:white;
}

/* ===== TOAST ===== */

.toast{

    position:fixed;

    right:20px;

    bottom:20px;

    min-width:250px;

    padding:15px;

    border-radius:15px;

    color:white;

    z-index:999999;

    transform:
    translateY(120px);

    transition:.3s;
}

.toast.show{

    transform:
    translateY(0);
}

.toast.success{
    background:#10b981;
}

.toast.error{
    background:#ef4444;
}

.toast.warning{
    background:#f59e0b;
}

/* ===== LOADER ===== */

.loader{

    width:48px;
    height:48px;

    margin:auto;

    border:
    4px solid #ddd;

    border-top:
    4px solid #2563eb;

    border-radius:50%;

    animation:
    spin 1s linear infinite;
}

@keyframes spin{

    to{
        transform:
        rotate(360deg);
    }
}

/* ===== SCROLLBAR ===== */

::-webkit-scrollbar{
    width:10px;
}

::-webkit-scrollbar-thumb{

    background:
    rgba(37,99,235,.4);

    border-radius:10px;
}

/* ===== RESPONSIVE ===== */

@media(max-width:768px){

    .img2pdf-app{
        padding:15px;
    }

    .preview-grid{

        grid-template-columns:
        repeat(
            auto-fill,
            minmax(160px,1fr)
        );
    }

    .preview-card img{

        height:170px;
    }

    .toolbar{

        grid-template-columns:
        1fr 1fr;
    }
}

@media(max-width:480px){

    .toolbar{

        grid-template-columns:
        1fr;
    }

    .main-actions{

        flex-direction:column;
    }

    .btn{
        width:100%;
    }

    .stats-bar{

        flex-direction:column;
        align-items:flex-start;
    }
}