/* =============================================================
   SignFlow — Supply Chain — shared stylesheet (v2 redesign)
   Gold/navy brand identity, white nav, colorful category launcher.
   ============================================================= */

:root{
  --ink:#16213E; --ink-2:#202C4E; --canvas:#F5F6F8; --card:#FFFFFF;
  --seal:#8B3A3A; --seal-dark:#6E2C2C; --approved:#4A7862; --approved-bg:#EAF1EC;
  --attention:#B8823D; --attention-bg:#FBF1E3; --attention-dark:#8f6425;
  --danger:#C0392B; --danger-bg:#FBEAE8;
  --gold:#E7B93E; --gold-dark:#C79A28; --gold-bg:#FDF6E4;
  --script-green:#5E9B5B;
  --line:#E4E7EE; --text:#232838; --text-muted:#6B7180;
  --radius-lg:18px; --radius-md:12px; --radius-sm:8px;
  --shadow-card:0 2px 6px rgba(22,33,62,.06),0 10px 28px rgba(22,33,62,.08);
  --shadow-page:0 12px 40px rgba(22,33,62,.16),0 2px 8px rgba(22,33,62,.08);
}
*{box-sizing:border-box;}
body{margin:0;font-family:'Roboto',sans-serif;background:var(--canvas);color:var(--text);-webkit-font-smoothing:antialiased;}
a{color:var(--ink);}
h1,h2,h3{font-family:'Roboto',sans-serif;font-weight:700;color:var(--ink);margin:0;}

/* ---- Brand logo (real image) ---- */
.brand-img{display:block;}
.brand-img-lg{width:250px;height:auto;margin:0 auto 26px;}
.brand-img-sm{height:60px;width:auto;}

/* ---- Nav: unified, refined — icon carries the color, button stays quiet ---- */
.app-nav .nav-right{gap:4px;}
.app-nav a.nav-link, .app-nav a.nav-logout{
  padding:9px 13px;border-radius:10px;font-size:calc(12.5px * var(--font-scale-factor,1));font-weight:700;text-decoration:none;
  display:inline-flex;align-items:center;gap:7px;letter-spacing:.005em;color:var(--text-muted);
  background:transparent;transition:background .12s ease,color .12s ease;
}
.app-nav a.nav-link:hover{background:var(--canvas);color:var(--ink);}
.app-nav a.nav-link svg{flex-shrink:0;}
.nav-dashboard svg{color:#3E6FB5;}
.nav-upload svg{color:#1F5FAD;}
.nav-inbox svg{color:#2E8F60;}
.nav-signature svg{color:#7C4FE0;}
.nav-library svg{color:#C79A28;}
.nav-workflows svg{color:#C0584A;}
.nav-users svg{color:#1E9E8C;}
.nav-logout{color:var(--danger);}
.nav-logout:hover{background:var(--danger-bg);}
.nav-username{font-size:calc(12.5px * var(--font-scale-factor,1));color:var(--text-muted);font-weight:600;padding:0 2px;white-space:nowrap;}
.nav-more-wrap{position:relative;}
.nav-more-btn{border:none;font-family:inherit;background:none;}
.nav-more-menu{display:none;position:absolute;top:calc(100% + 10px);right:0;background:#fff;border-radius:12px;box-shadow:0 4px 14px rgba(22,33,62,.1),0 14px 34px rgba(22,33,62,.16);padding:8px;min-width:190px;z-index:200;border:1px solid rgba(22,33,62,.06);}
.nav-more-menu::before{content:'';position:absolute;top:-6px;right:18px;width:11px;height:11px;background:#fff;border-left:1px solid rgba(22,33,62,.06);border-top:1px solid rgba(22,33,62,.06);transform:rotate(45deg);}
.nav-more-menu.show{display:block;animation:navMoreIn .12s ease-out;}
@keyframes navMoreIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:translateY(0);}}
.nav-more-menu a{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:8px;font-size:calc(13px * var(--font-scale-factor,1));font-weight:600;color:var(--text);text-decoration:none;position:relative;z-index:1;}
.nav-more-menu a:hover{background:var(--canvas);color:var(--ink);}
.app-nav a.nav-logout{padding:9px;border-radius:50%;}

/* ---- Colorful page header banners: full-bleed, short, with a soft shine ---- */
.page-banner{width:100%;padding:11px 5vw;margin-bottom:20px;display:flex;justify-content:space-between;align-items:center;gap:24px;position:relative;overflow:hidden;color:#fff;background:linear-gradient(135deg,var(--ink) 0%,#2E4785 55%,#3E5CA3 100%);box-shadow:0 1px 2px rgba(22,33,62,.1),0 10px 26px rgba(22,33,62,.22);}
.page-banner h1{color:#fff;font-size:calc(18px * var(--font-scale-factor,1));font-weight:700;position:relative;z-index:1;}
.page-banner p{color:rgba(255,255,255,.82);font-size:calc(12px * var(--font-scale-factor,1));margin-top:2px;max-width:480px;position:relative;z-index:1;}
.page-banner .banner-art{flex-shrink:0;opacity:.95;position:relative;z-index:1;transform:scale(.55);}
.page-banner::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(255,255,255,.16) 0%,rgba(255,255,255,0) 28%,rgba(255,255,255,0) 60%,rgba(255,255,255,.10) 100%);pointer-events:none;}
.page-banner::after{content:'';position:absolute;width:220px;height:220px;border-radius:50%;border:1.5px dashed rgba(255,255,255,.12);right:-70px;top:-90px;}
@media (max-width:720px){.page-banner{padding:16px 20px;}.page-banner .banner-art{display:none;}}
.banner-dashboard, .banner-upload, .banner-inbox, .banner-signature, .banner-library, .banner-workflows, .banner-users, .banner-track{background:linear-gradient(135deg,var(--ink) 0%,#2E4785 55%,#3E5CA3 100%);}
.app-shell{min-height:100vh;display:flex;flex-direction:column;}
.app-nav{background:#fff;padding:10px 30px;display:flex;align-items:center;justify-content:space-between;border-bottom:calc(1px * var(--line-scale,1)) solid var(--line);box-shadow:0 1px 4px rgba(22,33,62,.05);flex-wrap:wrap;gap:10px;position:relative;z-index:100;}
.app-nav::after{content:'';position:absolute;left:0;right:0;bottom:-1px;height:2px;background:linear-gradient(90deg,#3E6FB5,#2E8F60,#7C4FE0,#C79A28,#C0584A);opacity:.5;}
.app-nav .nav-right{display:flex;align-items:center;gap:20px;font-size:calc(13.5px * var(--font-scale-factor,1));flex-wrap:wrap;}
.app-nav a.nav-link{color:var(--ink);text-decoration:none;font-weight:700;}
.app-nav a.nav-link:hover{color:var(--seal);}
.app-nav a.nav-logout{color:var(--danger);text-decoration:none;font-weight:700;}
.app-nav a.nav-logout:hover{text-decoration:underline;}
.app-main{flex:1;max-width:1100px;margin:0 auto;padding:36px 24px 60px;width:100%;}

.card{background:var(--card);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:24px;}
.page-head{margin-bottom:22px;}
.page-head h1{font-size:calc(22px * var(--font-scale-factor,1));font-weight:600;}
.page-head p{color:var(--text-muted);font-size:calc(13.5px * var(--font-scale-factor,1));margin:6px 0 0;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:10px;border:none;font-family:'Roboto',sans-serif;font-size:calc(13.5px * var(--font-scale-factor,1));font-weight:700;cursor:pointer;transition:all .15s ease;text-decoration:none;box-shadow:0 1px 2px rgba(22,33,62,.06),0 4px 10px rgba(22,33,62,.10);}
.btn:not(:disabled):hover{transform:translateY(-1px);box-shadow:0 2px 4px rgba(22,33,62,.08),0 8px 18px rgba(22,33,62,.14);}
.btn:not(:disabled):active{transform:translateY(0);box-shadow:0 1px 2px rgba(22,33,62,.06);}
.btn:disabled{opacity:.45;cursor:not-allowed;box-shadow:none;}
.btn-primary{background:var(--ink);color:#fff;}
.btn-primary:not(:disabled):hover{background:var(--ink-2);}
.btn-seal{background:var(--seal);color:#fff;}
.btn-seal:not(:disabled):hover{background:var(--seal-dark);}
.btn-outline{background:#fff;color:var(--ink);border:1.5px solid var(--line);}
.btn-outline:hover{border-color:var(--ink);}
.btn-attention{background:var(--attention-bg);color:var(--attention-dark);}
.btn-attention:hover{background:#f5e6cc;}
.btn-block{width:100%;}
.btn-sm{padding:7px 14px;font-size:calc(12.5px * var(--font-scale-factor,1));}
.btn-danger-text{background:none;border:none;color:var(--danger);font-weight:600;font-size:calc(12.5px * var(--font-scale-factor,1));cursor:pointer;padding:0;text-decoration:underline;text-underline-offset:2px;}

.form-group{margin-bottom:16px;}
.form-label{display:block;font-size:calc(12.5px * var(--font-scale-factor,1));font-weight:600;color:var(--text);margin-bottom:6px;}
.form-input,.form-select,.form-textarea{width:100%;padding:11px 13px;border-radius:10px;border:1.5px solid var(--line);font-family:'Roboto',sans-serif;font-size:calc(14px * var(--font-scale-factor,1));color:var(--text);background:#fff;}
.form-input:focus,.form-select:focus,.form-textarea:focus{outline:none;border-color:var(--ink);}
.form-textarea{resize:vertical;min-height:90px;}
.form-hint{font-size:calc(11.5px * var(--font-scale-factor,1));color:var(--text-muted);margin-top:5px;}
.form-static{width:100%;padding:11px 13px;border-radius:10px;background:var(--canvas);color:var(--text);font-size:calc(14px * var(--font-scale-factor,1));font-weight:600;}

.alert{padding:12px 16px;border-radius:10px;font-size:calc(13px * var(--font-scale-factor,1));margin-bottom:18px;}
.alert-error{background:var(--danger-bg);color:var(--danger);}
.alert-success{background:var(--approved-bg);color:var(--approved);}

.badge{display:inline-flex;align-items:center;gap:6px;font-size:calc(11.5px * var(--font-scale-factor,1));font-weight:600;padding:4px 11px;border-radius:99px;}
.badge-pending{background:var(--attention-bg);color:var(--attention-dark);}
.badge-progress{background:#E9EDF7;color:var(--ink-2);}
.badge-done{background:var(--approved-bg);color:var(--approved);}
.badge-rejected{background:var(--danger-bg);color:var(--danger);}
.badge .dot{width:6px;height:6px;border-radius:50%;background:currentColor;}

.table-wrap{overflow-x:auto;}
table.data-table{width:100%;border-collapse:collapse;font-size:calc(13.5px * var(--font-scale-factor,1));}
table.data-table th{text-align:left;font-size:calc(11px * var(--font-scale-factor,1));text-transform:uppercase;letter-spacing:.03em;color:var(--text-muted);border-bottom:calc(1.5px * var(--line-scale,1)) solid var(--line);padding:0 10px 10px 0;font-weight:600;}
table.data-table td{padding:14px 10px 14px 0;border-bottom:calc(1px * var(--line-scale,1)) solid var(--line);vertical-align:middle;}
table.data-table tr:last-child td{border-bottom:none;}

.seal-badge{position:relative;width:28px;height:28px;border-radius:50%;background:var(--seal);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:calc(12px * var(--font-scale-factor,1));transform:rotate(-8deg);box-shadow:0 2px 8px rgba(139,58,58,.35);flex-shrink:0;}
.seal-badge::after{content:'';position:absolute;inset:-4px;border-radius:50%;border:1.5px dashed rgba(139,58,58,.45);}

.empty-state{text-align:center;padding:50px 20px;color:var(--text-muted);}
.empty-state svg{opacity:.4;margin-bottom:12px;}
.empty-state p{margin:0;font-size:calc(13.5px * var(--font-scale-factor,1));}

/* ---- Login hero (gold background) ---- */
.hero-gold{min-height:100vh;background:linear-gradient(160deg,var(--gold) 0%,var(--gold-dark) 100%);display:flex;align-items:center;justify-content:center;padding:24px;}
.hero-card{width:100%;max-width:420px;background:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-page);padding:44px 40px;}

/* ---- Category launcher (dashboard) ---- */
.cat-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:24px;max-width:1100px;margin:10px auto 0;}
@media (max-width:760px){.cat-grid{grid-template-columns:1fr;}}
.cat-btn{display:flex;align-items:center;justify-content:center;text-align:center;min-height:100px;padding:22px;border-radius:14px;border:none;cursor:pointer;font-family:'Roboto',sans-serif;font-weight:800;font-size:calc(19px * var(--font-scale-factor,1));letter-spacing:.02em;color:#fff;text-decoration:none;text-transform:uppercase;box-shadow:3px 6px 0 rgba(0,0,0,.14),0 10px 24px rgba(0,0,0,.14);transition:transform .12s ease,box-shadow .12s ease;line-height:1.4;white-space:nowrap;}
.cat-btn:hover{transform:translateY(-2px);box-shadow:0 4px 8px rgba(0,0,0,.1),0 14px 30px rgba(0,0,0,.18);}
.cat-btn:active{transform:translateY(0);box-shadow:0 2px 4px rgba(0,0,0,.08);}
.cat-btn.full-width{grid-column:span 1;}
.cat-row-2{display:flex;justify-content:center;gap:24px;max-width:1100px;margin:24px auto 0;}
.cat-row-2 .cat-btn{flex:1;max-width:340px;}
.cat-po{background:linear-gradient(135deg,#3E64B5,#6E90DD);}
.cat-agreement{background:linear-gradient(135deg,#2846AD,#4869D6);}
.cat-cst{background:linear-gradient(135deg,#3E9FE0,#72C4F2);}
.cat-loi{background:linear-gradient(135deg,#7B4FD1,#9C76E8);}
.cat-general{background:linear-gradient(135deg,#A93FA8,#C860C8);color:#fff;}

/* ---- Modal (PO sub-choice, send-back, etc.) ---- */
.modal-overlay{position:fixed;inset:0;background:rgba(22,33,62,.45);display:none;align-items:center;justify-content:center;z-index:50;padding:20px;}
.modal-overlay.show{display:flex;}
.modal{background:#fff;border-radius:var(--radius-lg);padding:30px 28px;max-width:420px;width:100%;box-shadow:var(--shadow-page);text-align:center;}
.modal h2{font-size:calc(18px * var(--font-scale-factor,1));margin-bottom:20px;}
.modal .btn-block{margin-bottom:10px;}

/* ---- Status cards (Inbox: pending / history) ---- */
.status-card{border-radius:var(--radius-lg);box-shadow:var(--shadow-card);background:#fff;padding:22px;border-top:3px solid var(--line);}
.status-card.pending-flavor{border-top-color:var(--seal);}
.status-card.history-flavor{border-top-color:var(--approved);}
.status-card h3{font-size:calc(15px * var(--font-scale-factor,1));margin-bottom:14px;}

/* ---- Admin Master Control ---- */
.master-control-card{background:var(--gold-bg);border-radius:var(--radius-lg);padding:24px;border-left:4px solid var(--attention-dark);box-shadow:var(--shadow-card);}
.master-control-card h3{color:var(--attention-dark);font-size:calc(15px * var(--font-scale-factor,1));margin-bottom:16px;}

/* ---- Workflow admin: fixed approver slots ---- */
.slot-row{display:flex;align-items:center;gap:12px;background:var(--canvas);border-radius:10px;padding:10px 12px;margin-bottom:9px;}
.slot-num{width:26px;height:26px;border-radius:50%;background:var(--ink);color:#fff;display:flex;align-items:center;justify-content:center;font-size:calc(12px * var(--font-scale-factor,1));font-weight:700;flex-shrink:0;}
.slot-row select{flex:1;}

/* ---- My Signature ---- */
.sig-preview-box{border:1.5px dashed var(--line);border-radius:var(--radius-md);min-height:180px;display:flex;align-items:center;justify-content:center;background:var(--canvas);margin-bottom:18px;padding:16px;}
.sig-preview-box img{max-width:100%;max-height:220px;}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;}}