*{
    margin:0;
    padding:0;
    box-sizing:border-box;
    font-family:'Poppins',sans-serif;
}

body{
    background:#090909;
    color:#ffffff;
    overflow-x:hidden;
}

/* Header */

header{
    width:100%;
    display:flex;
    justify-content:space-between;
    align-items:center;
    padding:18px 8%;
    background:rgba(15,15,15,.95);
    backdrop-filter:blur(12px);
    position:sticky;
    top:0;
    z-index:1000;
    border-bottom:1px solid rgba(255,255,255,.08);
}

.logo h2{
    color:#FFD700;
    font-size:28px;
    font-weight:700;
}

nav{
    display:flex;
    gap:25px;
}

nav a{
    color:white;
    text-decoration:none;
    font-size:16px;
    transition:.3s;
}

nav a:hover{
    color:#FFD700;
}

/* Hero */

.hero{
    text-align:center;
    padding: 25px 20px;
}

.hero h1{
    font-size:48px;
    color:#FFD700;
    margin-bottom:15px;
}

.hero p{
    color:#d5d5d5;
    font-size:18px;
    max-width:750px;
    margin:auto;
    line-height:1.8;
}

/* Main Container */

.main-container{
    width:90%;
    max-width:1400px;
    margin:auto;
    padding:20px auto;
}
/* ===========================
   Upload & Preview Layout
=========================== */

.photo-tool{
    display:grid;
    grid-template-columns:220px 1fr 180px;
    gap:15px;
    align-items:start;
}

/* Glass Cards */

.upload-card,
.size-card,
.preview-card,
.tool-card,
.editor-card{

    background:rgba(255,255,255,.05);

    border:1px solid rgba(255,255,255,.08);

    border-radius:20px;

    padding:22px;

    backdrop-filter:blur(18px);

    box-shadow:0 10px 30px rgba(0,0,0,.35);

    margin-bottom:20px;

    transition:.35s;
}

.upload-card:hover,
.size-card:hover,
.preview-card:hover,
.tool-card:hover,
.editor-card:hover{

    transform:translateY(-6px);

    border-color:#FFD700;

    box-shadow:0 0 25px rgba(255,215,0,.25);

}

.upload-card h2,
.size-card h2,
.preview-card h2,
.tool-card h2,
.editor-card h2{

    color:#FFD700;

    margin-bottom:15px;

    font-size:22px;
}

.upload-card p{

    color:#cfcfcf;

    margin-bottom:18px;

    line-height:1.6;
}

/* ===========================
   Inputs
=========================== */

input[type=file],
select{

    width:100%;

    padding:12px;

    border:none;

    outline:none;

    border-radius:10px;

    background:#1a1a1a;

    color:#fff;

    margin-top:10px;
}
/* ===========================
   Preview Box
=========================== */

.preview-box{

    width:100%;

    height:420px;

    background:#111;

    border:2px dashed rgba(255,215,0,.35);

    border-radius:18px;

    display:flex;

    justify-content:center;

    align-items:center;

    overflow:hidden;

    position:relative;

}

.preview-box img{

    max-width:100%;

    max-height:100%;

    display:none;

    transition:.35s;

}

#emptyText{

    color:#9d9d9d;

    font-size:18px;

    text-align:center;

}

/* ===========================
   Buttons
=========================== */

button{

    width:100%;

    padding:13px;

    border:none;

    border-radius:12px;

    cursor:pointer;

    font-size:16px;

    font-weight:600;

    margin-top:12px;

    background:linear-gradient(135deg,#FFD700,#ffb700);

    color:#111;

    transition:.35s;
}

button:hover{

    transform:translateY(-3px);

    box-shadow:0 10px 25px rgba(255,215,0,.35);

}

button:active{

    transform:scale(.97);

}

/* Quick Tool Buttons */

.tool-card button{

    margin-bottom:10px;

}

/* Background Buttons */

.background-buttons{

    display:grid;

    grid-template-columns:repeat(2,1fr);

    gap:10px;

    margin-top:15px;

}

.bg-btn{

    margin-top:0;

}
/* ===========================
   Range Sliders
=========================== */

input[type="range"]{

    width:100%;

    margin-top:15px;

    accent-color:#FFD700;

    cursor:pointer;

}

/* ===========================
   Editor Section
=========================== */

.editor-section{

    display:grid;

    grid-template-columns:repeat(5,1fr);

    gap:22px;

    margin-top:15px;

}

/* ===========================
   Smooth Animation
=========================== */

@keyframes fadeUp{

    from{

        opacity:0;

        transform:translateY(25px);

    }

    to{

        opacity:1;

        transform:translateY(0);

    }

}

.upload-card,
.size-card,
.preview-card,
.tool-card,
.editor-card{
    padding:12px;
    min-height:120px;
    animation:fadeUp .8s ease;

}

/* ===========================
   Responsive Design
=========================== */

@media(max-width:1100px){

    .photo-tool{

        grid-template-columns:1fr;

    }

    .preview-box{

        height:450px;

    }

}

@media(max-width:768px){

    header{

        flex-direction:column;

        gap:15px;

        padding:10px 40px;

    }

    nav{

        flex-wrap:wrap;

        justify-content:center;

    }

    .hero h1{

        font-size:32px;
        margin-bottom: 8px;

    }

    .hero p{

        font-size:15px;

    }

    .preview-box{

        height:320px;

    }

}

@media(max-width:500px){

    .background-buttons{

        grid-template-columns:1fr;

    }

    button{

        font-size:15px;

        padding:12px;

    }

}
#previewImage{
    max-width:100%;
    max-height:100%;
    display:none;
}