/* ===== ฟอนต์ DB Heavent ===== */
@font-face{
  font-family:'DB Heavent';
  src:url('../fonts/DB Heavent v3.2.2.ttf') format('truetype');
  font-weight:400; font-style:normal; font-display:swap;
}
@font-face{
  font-family:'DB Heavent';
  src:url('../fonts/DB Heavent Med v3.2.2.ttf') format('truetype');
  font-weight:500; font-style:normal; font-display:swap;
}
@font-face{
  font-family:'DB Heavent';
  src:url('../fonts/DB Heavent Bd v3.2.2.ttf') format('truetype');
  font-weight:700; font-style:normal; font-display:swap;
}
@font-face{
  font-family:'DB Heavent';
  src:url('../fonts/DB Heavent Blk v3.2.2.ttf') format('truetype');
  font-weight:900; font-style:normal; font-display:swap;
}

:root{
  --red:#e30613;
  --red-dark:#b70410;
  --ink:#1c1f23;
  --muted:#6b7280;
  --line:#e6e8eb;
  --bg:#f4f5f7;
  --ok:#15803d;
  --ok-bg:#e9f7ef;
  --err:#b91c1c;
  --err-bg:#fdecec;
  --radius:14px;
}

*{box-sizing:border-box;}
html{font-size:20px;}
body{
  margin:0;
  font-family:'DB Heavent','Segoe UI',Tahoma,sans-serif;
  background:var(--bg);
  color:var(--ink);
  line-height:1.35;
  -webkit-font-smoothing:antialiased;
}
h1,h2{margin:0;font-weight:900;}
b{font-weight:700;}

/* ===== หน้า Login ===== */
.login-wrap{
  min-height:100vh;display:flex;flex-direction:column;
  align-items:center;justify-content:center;padding:24px;
  background:linear-gradient(160deg,#fff 0%,#f4f5f7 60%,#f0e3e4 100%);
}
.login-card{
  width:100%;max-width:400px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius);padding:36px 30px;text-align:center;
  box-shadow:0 18px 50px rgba(0,0,0,.08);
}
.brand-logo{width:190px;max-width:70%;height:auto;margin-bottom:10px;}
.login-card h1{font-size:1.55rem;margin-top:6px;}
.login-card .sub{color:var(--red);font-weight:700;margin:2px 0 22px;letter-spacing:.5px;}
.login-card label{display:block;text-align:left;font-weight:700;margin-bottom:6px;}
.login-card input[type=password]{
  width:100%;padding:12px 14px;font-size:1rem;font-family:inherit;
  border:1.5px solid var(--line);border-radius:10px;outline:none;
}
.login-card input[type=password]:focus{border-color:var(--red);}
.login-card button{
  margin-top:18px;width:100%;padding:13px;font-size:1.05rem;font-family:inherit;
  font-weight:700;color:#fff;background:var(--red);border:0;border-radius:10px;
  cursor:pointer;transition:background .15s;
}
.login-card button:hover{background:var(--red-dark);}
.err{
  margin-top:14px;background:var(--err-bg);color:var(--err);
  padding:10px 12px;border-radius:8px;font-weight:700;
}

/* ===== Topbar ===== */
.topbar{
  display:flex;align-items:center;gap:14px;background:#fff;
  padding:12px 22px;border-bottom:3px solid var(--red);
  box-shadow:0 2px 10px rgba(0,0,0,.04);position:sticky;top:0;z-index:10;
}
.brand-logo-sm{height:34px;width:auto;}
.topbar-title{font-size:1.25rem;font-weight:900;flex:1;}
.topbar-title span{color:var(--red);}
.logout{
  color:var(--red);text-decoration:none;font-weight:700;font-size:1rem;
  border:1.5px solid var(--red);padding:6px 16px;border-radius:8px;transition:.15s;
}
.logout:hover{background:var(--red);color:#fff;}

/* ===== Layout ===== */
.container{max-width:820px;margin:26px auto;padding:0 18px;display:grid;gap:22px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;box-shadow:0 4px 16px rgba(0,0,0,.04);
}
.month-badge{
  background:#fff5f5;border:1px dashed var(--red);color:var(--red-dark);
  padding:8px 14px;border-radius:10px;font-size:.95rem;margin-bottom:18px;display:inline-block;
}
.field-label{display:block;font-weight:700;margin-bottom:8px;}
.company-select{
  width:100%;padding:12px 14px;font-size:1.02rem;font-family:inherit;
  border:1.5px solid var(--line);border-radius:10px;background:#fff;outline:none;
}
.company-select:focus{border-color:var(--red);}

/* ===== Dropzone ===== */
.dropzone{
  margin-top:18px;border:2.5px dashed #cfd4da;border-radius:var(--radius);
  padding:34px 20px;text-align:center;cursor:pointer;transition:.15s;background:#fafbfc;
}
.dropzone:hover{border-color:var(--red);background:#fff7f7;}
.dropzone.drag{border-color:var(--red);background:#fff2f2;transform:scale(1.005);}
.dz-icon{font-size:2.4rem;color:var(--red);line-height:1;}
.dz-text{margin-top:8px;font-size:1.05rem;}
.dz-link{color:var(--red);font-weight:700;text-decoration:underline;}
.dz-hint{margin-top:6px;color:var(--muted);font-size:.9rem;}

/* ===== File list ===== */
.file-list{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px;}
.file-list li{
  display:flex;align-items:center;gap:12px;background:#f7f8fa;
  border:1px solid var(--line);border-radius:10px;padding:10px 12px;
}
.file-list .fi-name{flex:1;word-break:break-all;font-weight:500;}
.file-list .fi-size{color:var(--muted);font-size:.88rem;white-space:nowrap;}
.file-list .fi-remove{
  border:0;background:#fdecec;color:var(--err);width:30px;height:30px;border-radius:8px;
  cursor:pointer;font-size:1.1rem;line-height:1;flex-shrink:0;
}
.file-list .fi-remove:hover{background:var(--err);color:#fff;}
.file-list li.too-big{border-color:var(--err);background:var(--err-bg);}

/* ===== Actions & buttons ===== */
.actions{display:flex;gap:12px;justify-content:flex-end;margin-top:18px;}
.btn-primary,.btn-ghost{
  padding:11px 24px;font-size:1.02rem;font-family:inherit;font-weight:700;
  border-radius:10px;cursor:pointer;transition:.15s;
}
.btn-primary{background:var(--red);color:#fff;border:0;}
.btn-primary:hover:not(:disabled){background:var(--red-dark);}
.btn-primary:disabled{background:#d7dadf;cursor:not-allowed;}
.btn-ghost{background:#fff;color:var(--ink);border:1.5px solid var(--line);}
.btn-ghost:hover{border-color:var(--red);color:var(--red);}

/* ===== Progress ===== */
.progress-wrap{margin-top:16px;height:10px;background:#eceef1;border-radius:20px;overflow:hidden;}
.progress-bar{height:100%;width:0;background:var(--red);transition:width .2s;}

/* ===== Result ===== */
.result{margin-top:16px;border-radius:10px;padding:14px 16px;font-size:.98rem;}
.result.ok{background:var(--ok-bg);border:1px solid #bfe6cd;}
.result.bad{background:var(--err-bg);border:1px solid #f3c6c6;}
.result h3{margin:0 0 8px;font-size:1.05rem;}
.result ul{margin:8px 0 0;padding-left:18px;}
.result .r-ok{color:var(--ok);}
.result .r-bad{color:var(--err);}

/* ===== Browse ===== */
.browse-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.browse-head h2{font-size:1.2rem;}
.browse-empty{color:var(--muted);padding:16px 0;text-align:center;}
.month-group{border:1px solid var(--line);border-radius:10px;margin-bottom:12px;overflow:hidden;}
.month-group summary{
  cursor:pointer;padding:12px 14px;background:#f7f8fa;font-weight:700;
  display:flex;justify-content:space-between;align-items:center;list-style:none;
}
.month-group summary::-webkit-details-marker{display:none;}
.month-group summary .cnt{color:var(--muted);font-weight:500;font-size:.9rem;}
.month-files{list-style:none;margin:0;padding:6px 12px 12px;display:grid;gap:6px;}
.month-files li{display:flex;align-items:center;gap:10px;padding:8px 6px;border-bottom:1px solid #f0f1f3;}
.month-files li:last-child{border-bottom:0;}
.month-files a{color:var(--ink);text-decoration:none;flex:1;word-break:break-all;}
.month-files a:hover{color:var(--red);text-decoration:underline;}
.month-files .m-size{color:var(--muted);font-size:.85rem;white-space:nowrap;}
.month-files .m-time{color:var(--muted);font-size:.82rem;white-space:nowrap;}

/* ===== Code input (6 หลัก) ===== */
.code-input{
  width:100%;padding:14px;font-size:1.6rem;letter-spacing:.5rem;text-align:center;
  font-family:inherit;border:1.5px solid var(--line);border-radius:10px;outline:none;
}
.code-input:focus{border-color:var(--red);}
.company-name-box{
  background:#fff5f5;border:1px solid #f3c6c6;color:var(--red-dark);font-weight:700;
  padding:10px 14px;border-radius:10px;margin-bottom:16px;
}
.admin-link{color:var(--muted);text-decoration:none;}
.admin-link:hover{color:var(--red);text-decoration:underline;}

/* ===== Flash ===== */
.flash{max-width:900px;margin:16px auto 0;padding:12px 16px;border-radius:10px;font-weight:700;}
.flash.ok{background:var(--ok-bg);color:var(--ok);border:1px solid #bfe6cd;}
.flash.bad{background:var(--err-bg);color:var(--err);border:1px solid #f3c6c6;}

/* ===== Admin table ===== */
.admin-container{max-width:960px;}
.table-wrap{overflow-x:auto;}
table.companies{width:100%;border-collapse:collapse;font-size:.95rem;}
table.companies th,table.companies td{padding:11px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle;}
table.companies th{background:#f7f8fa;font-weight:700;white-space:nowrap;}
table.companies td .cname{font-weight:500;}
.code-pill{
  font-size:1.15rem;font-weight:900;letter-spacing:.15rem;color:var(--red-dark);
  background:#fff5f5;border:1px dashed var(--red);border-radius:8px;padding:4px 10px;display:inline-block;
}
.link-mini{font-size:.82rem;color:var(--muted);word-break:break-all;}
.row-actions{display:flex;gap:6px;flex-wrap:wrap;}
.btn-sm{padding:6px 12px;font-size:.85rem;font-family:inherit;font-weight:700;border-radius:8px;cursor:pointer;border:1.5px solid var(--line);background:#fff;}
.btn-sm:hover{border-color:var(--red);color:var(--red);}
.btn-sm.danger:hover{border-color:var(--err);color:var(--err);background:var(--err-bg);}
.admin-form{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;}
.admin-form .fg{display:flex;flex-direction:column;gap:5px;}
.admin-form label{font-weight:700;font-size:.9rem;}
.admin-form input[type=text],.admin-form input[type=password]{
  padding:10px 12px;font-size:1rem;font-family:inherit;border:1.5px solid var(--line);border-radius:9px;outline:none;min-width:220px;
}
.admin-form input:focus{border-color:var(--red);}
.section-title{font-size:1.12rem;font-weight:900;margin:0 0 14px;padding-bottom:8px;border-bottom:2px solid var(--red);}
.hint-text{color:var(--muted);font-size:.85rem;margin-top:8px;}

/* ===== Foot ===== */
.foot{text-align:center;color:var(--muted);font-size:.85rem;padding:16px 0 26px;}

@media (max-width:520px){
  html{font-size:19px;}
  .card{padding:18px;}
  .month-files .m-time{display:none;}
}