/* RESET */

*{
margin:0;
padding:0;
box-sizing:border-box;
font-family:Segoe UI, Arial, sans-serif;
transition:background 0.3s,color 0.3s;
}

/* THEME VARIABLES */

:root{

--bg:#ffffff;
--text:#0f172a;
--card:#f1f5f9;
--accent:#00c9a7;
--border:#e2e8f0;

}

body.dark{

--bg:#0f172a;
--text:#ffffff;
--card:#1e293b;
--accent:#00ffd5;
--border:#334155;

}

/* BODY */

body{

background:var(--bg);
color:var(--text);
line-height:1.6;

}

/* NAVBAR */

.navbar{

display:flex;
justify-content:space-between;
align-items:center;

padding:15px 40px;

background:var(--card);

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

}

.logo{

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

}

.navbar ul{

display:flex;
gap:20px;
list-style:none;

}

.navbar a{

text-decoration:none;
color:var(--text);
font-weight:500;

}

.navbar a:hover{

color:var(--accent);

}

/* THEME TOGGLE */

#themeToggle{

background:none;
border:none;

font-size:20px;

cursor:pointer;

color:var(--text);

}

#themeToggle:hover{

transform:rotate(20deg);

}

/* SCANNER SECTION */

.scanner{

max-width:900px;

margin:auto;

padding:40px 20px;

text-align:center;

}

.scanner h1{

font-size:32px;
margin-bottom:10px;

}

.scanner p{

margin-bottom:30px;
color:#64748b;

}

/* UPLOAD AREA */

.upload-area{

border:2px dashed var(--accent);

padding:40px;

border-radius:12px;

cursor:pointer;

}

.upload-area:hover{

background:rgba(0,255,200,0.08);

}

/* FILE INPUT */

#fileInput{

margin-top:10px;

}

/* PREVIEW IMAGE */

#preview{

max-width:300px;

margin-top:20px;

border-radius:10px;

box-shadow:0 0 15px rgba(0,255,200,0.4);

display:none;

}

/* BUTTON */

button{

padding:10px 18px;

border:none;
border-radius:8px;

background:linear-gradient(135deg,var(--accent),#00d9f5);

color:white;

cursor:pointer;

margin-top:15px;

font-weight:bold;

}

button:hover{

transform:scale(1.05);

box-shadow:0 0 10px var(--accent);

}

/* RESULT CARD */

.result{

margin-top:30px;

background:var(--card);

padding:20px;

border-radius:12px;

box-shadow:0 0 10px rgba(0,0,0,0.2);

}

.result p{

margin:8px 0;
font-size:18px;

}

/* OCR BOX */

.ocr-box{

margin-top:30px;

background:var(--card);

padding:20px;

border-radius:12px;

box-shadow:0 0 10px rgba(0,0,0,0.2);

text-align:left;

}

.ocr-box h3{

margin-bottom:10px;

}

.ocr-box pre{

background:#000;

color:#00ffd5;

padding:10px;

border-radius:8px;

max-height:250px;

overflow:auto;

white-space:pre-wrap;

font-size:13px;

}

/* SAVED SECTION */

.saved{

max-width:1100px;

margin:auto;

padding:40px 20px;

}

.saved h2{

text-align:center;
margin-bottom:20px;

}

/* RECEIPT GRID */

#receiptList{

display:grid;

grid-template-columns:repeat(auto-fit,minmax(250px,1fr));

gap:20px;

}

/* RECEIPT CARD */

.receipt-card{

background:var(--card);

padding:15px;

border-radius:12px;

box-shadow:0 0 10px rgba(0,0,0,0.2);

transition:0.3s;

}

.receipt-card:hover{

transform:translateY(-5px);

box-shadow:0 0 20px rgba(0,255,200,0.4);

}

/* RECEIPT IMAGE */

.receipt-img{

width:100%;

border-radius:8px;

margin-bottom:10px;

}

/* RECEIPT INFO */

.receipt-info h3{

color:var(--accent);

margin-bottom:5px;

}

/* OCR DETAILS */

details{

margin-top:10px;

}

details summary{

cursor:pointer;
color:var(--accent);
font-weight:bold;

}

details pre{

margin-top:10px;

background:#000;

color:#00ffd5;

padding:10px;

border-radius:6px;

font-size:12px;

max-height:200px;

overflow:auto;

}

/* DELETE BUTTON */

.delete-btn{

background:#ef4444;

margin-top:10px;

}

.delete-btn:hover{

background:#dc2626;

}

/* FOOTER */

footer{

margin-top:40px;

padding:20px;

text-align:center;

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

color:#64748b;

}

/* RESPONSIVE DESIGN */

@media (max-width:768px){

.navbar{

flex-direction:column;
gap:10px;

}

.navbar ul{

flex-wrap:wrap;
justify-content:center;

}

.scanner h1{

font-size:26px;

}

.upload-area{

padding:30px;

}

#preview{

max-width:100%;

}

}

@media (max-width:480px){

button{

width:100%;

}

.result p{

font-size:16px;

}

}