/* JCNP Professional Theme */
:root {
    --primary: #0f4c81;
    --primary-dark: #08365d;
    --primary-light: #2e6da4;
    --accent: #f37021;
    --success: #2e7d32;
    --warning: #f9a825;
    --danger: #c62828;
    --info: #1565c0;
    --bg: #eef2f7;
    --card-bg: #ffffff;
    --text: #16233a;
    --text-secondary: #64748b;
    --border: #e2e8f0;
    --shadow: 0 1px 3px rgba(15,76,129,0.06), 0 6px 16px rgba(15,76,129,0.07);
    --shadow-lg: 0 12px 32px rgba(15,76,129,0.16);
    --radius: 0.9rem;
    --gradient: linear-gradient(135deg, #0f4c81 0%, #1565c0 100%);
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}

body.dark {
    --bg: #0b1220;
    --card-bg: #16213a;
    --text: #f1f5f9;
    --text-secondary: #94a3b8;
    --border: #27354f;
    --shadow: 0 1px 3px rgba(0,0,0,0.35), 0 8px 20px rgba(0,0,0,0.35);
    --shadow-lg: 0 14px 36px rgba(0,0,0,0.55);
    --gradient: linear-gradient(135deg, #123a63 0%, #0d5bb0 100%);
}

* { box-sizing: border-box; }
html { font-size: 16px; }
html, body { margin: 0; padding: 0; min-height: 100vh; font-family: var(--font); background: var(--bg); color: var(--text); transition: background .25s, color .25s; line-height: 1.55; -webkit-font-smoothing: antialiased; }
::selection { background: rgba(15,76,129,0.2); }
h1, h2, h3, h4 { letter-spacing: -0.015em; }

/* Login */
.login-page { display: flex; align-items: center; justify-content: center; min-height: 100vh; background: radial-gradient(1200px 600px at 15% -10%, rgba(243,112,33,0.25), transparent 55%), linear-gradient(135deg, #0f172a 0%, #0f4c81 60%, #1565c0 100%); padding: 1rem; }
.login-card { width: 100%; max-width: 420px; padding: 2.75rem; background: rgba(255,255,255,0.97); border: 1px solid rgba(255,255,255,0.5); border-radius: 1.25rem; box-shadow: 0 24px 64px rgba(2,12,32,0.45); color: #111827; backdrop-filter: blur(14px); }
.brand { text-align: center; margin-bottom: 1.75rem; }
.logo { width: 72px; height: 72px; background: var(--gradient); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.6rem; margin: 0 auto 1rem; box-shadow: 0 8px 20px rgba(15,76,129,0.35); }
.brand h1 { font-size: 1.35rem; margin: 0; color: var(--text); letter-spacing: -0.02em; }
.version { color: var(--text-secondary); font-size: .85rem; }
.help { text-align: center; color: var(--text-secondary); font-size: .85rem; margin-top: 1.25rem; }

/* Layout */
.app { display: block; min-height: 100vh; }
.sidebar { background: var(--card-bg); border-right: 1px solid var(--border); display: flex; flex-direction: column; position: fixed; left: 0; top: 0; height: 100vh; width: 260px; z-index: 100; transition: transform .25s ease; box-shadow: var(--shadow); }
.sidebar-header { padding: 1.25rem; border-bottom: 1px solid var(--border); display: flex; align-items: center; gap: .75rem; background: var(--gradient); }
.sidebar-header .logo { width: 42px; height: 42px; font-size: .9rem; margin: 0; background: rgba(255,255,255,0.15); box-shadow: none; border: 1px solid rgba(255,255,255,0.25); }
.sidebar-title { font-weight: 700; font-size: .95rem; line-height: 1.2; color: #fff; }
.sidebar nav { flex: 1; overflow-y: auto; padding: .9rem .75rem; }
.nav-link { display: flex; align-items: center; gap: .75rem; padding: .8rem 1rem; border-radius: .6rem; color: var(--text-secondary); text-decoration: none; margin-bottom: .3rem; transition: all .18s ease; font-weight: 500; position: relative; }
.nav-link:hover { background: rgba(15,76,129,0.08); color: var(--primary); transform: translateX(2px); }
.nav-link.active { background: var(--gradient); color: #fff; font-weight: 600; box-shadow: 0 6px 16px rgba(15,76,129,0.35); }
body.dark .nav-link:hover { background: rgba(255,255,255,0.06); color: #fff; }
.sidebar-footer { padding: 1rem; border-top: 1px solid var(--border); font-size: .8rem; color: var(--text-secondary); }

.main { margin-left: 260px; flex: 1; display: flex; flex-direction: column; min-height: 100vh; }
body[data-role="viewer"] .main { margin-left: 0; }
.topbar { height: 64px; background: color-mix(in srgb, var(--card-bg) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; padding: 0 1.5rem; position: sticky; top: 0; z-index: 50; box-shadow: 0 2px 12px rgba(15,76,129,0.06); }
.topbar-actions { display: flex; align-items: center; gap: .5rem; }
.content { padding: 1.75rem; flex: 1; }

/* Page header */
.page-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1.25rem; }
.page-header h1 { font-size: 1.5rem; font-weight: 700; margin: 0; }
.page-header p { color: var(--text-secondary); margin: .25rem 0 0; }

/* Cards */
.card { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.4rem; box-shadow: var(--shadow); margin-bottom: 1.25rem; transition: box-shadow .2s ease, transform .2s ease; }
.card:hover { box-shadow: var(--shadow-lg); }
.card-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 1rem; flex-wrap: wrap; gap: .5rem; }
.card-title { font-size: 1.1rem; font-weight: 700; margin: 0; }
.card-subtitle { color: var(--text-secondary); font-size: .85rem; }

/* KPI grid */
.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 1.25rem; margin-bottom: 1.5rem; }
.kpi { background: var(--card-bg); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.35rem; box-shadow: var(--shadow); display: flex; flex-direction: column; position: relative; overflow: hidden; transition: transform .2s ease, box-shadow .2s ease; }
.kpi:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }
.kpi-value { font-size: 2.1rem; font-weight: 800; background: var(--gradient); -webkit-background-clip: text; background-clip: text; color: transparent; }
.kpi-label { font-size: .78rem; color: var(--text-secondary); text-transform: uppercase; letter-spacing: .1em; margin-top: .3rem; font-weight: 600; }
.kpi::before { content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%; background: var(--gradient); }

/* Forms */
.form-group { margin-bottom: 1.25rem; }
label { display: block; font-weight: 600; margin-bottom: .45rem; font-size: .9rem; color: var(--text-secondary); }
input, select, textarea { width: 100%; padding: .75rem 1rem; border: 1.5px solid var(--border); border-radius: .6rem; background: var(--card-bg); color: var(--text); font-size: .95rem; transition: border-color .18s, box-shadow .18s; }
input:hover, select:hover, textarea:hover { border-color: color-mix(in srgb, var(--primary) 40%, var(--border)); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 4px rgba(15,76,129,0.14); }
input::placeholder, textarea::placeholder { color: var(--text-secondary); opacity: .6; }
input[type="checkbox"], input[type="radio"] { width: auto; height: auto; accent-color: var(--primary); }
.checkbox-label { display: flex; align-items: center; gap: .5rem; cursor: pointer; font-weight: 500; }
.checkbox-label input[type="checkbox"] { width: 1.1rem; height: 1.1rem; }
select { appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236b7280' d='M6 8L1 3h10z'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right .75rem center; padding-right: 2rem; }

/* Buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: .5rem; padding: .7rem 1.3rem; border: none; border-radius: .6rem; font-weight: 600; cursor: pointer; text-decoration: none; font-size: .95rem; transition: filter .15s, transform .12s ease, box-shadow .2s ease; }
.btn:hover { filter: brightness(1.08); transform: translateY(-1px); box-shadow: 0 6px 16px rgba(15,76,129,0.22); }
.btn:active { transform: translateY(1px); box-shadow: none; }
.btn-primary { background: var(--gradient); color: #fff; }
.btn-success { background: var(--success); color: #fff; }
.btn-warning { background: var(--warning); color: #111; }
.btn-danger { background: var(--danger); color: #fff; }
.btn-info { background: var(--info); color: #fff; }
.btn-secondary { background: var(--bg); color: var(--text); border: 1px solid var(--border); }
.btn-block { width: 100%; }
.btn-sm { padding: .45rem .85rem; font-size: .85rem; }

/* Tables */
.table-responsive { overflow-x: auto; border-radius: var(--radius); border: 1px solid var(--border); box-shadow: var(--shadow); }
table { width: 100%; border-collapse: collapse; font-size: .9rem; background: var(--card-bg); }
th, td { padding: .9rem 1.1rem; text-align: left; border-bottom: 1px solid var(--border); }
th { font-weight: 700; background: var(--gradient); color: #fff; text-transform: uppercase; font-size: .72rem; letter-spacing: .1em; }
tr:last-child td { border-bottom: none; }
tbody tr { transition: background .15s ease; }
tr:hover td { background: rgba(15,76,129,0.05); }
body.dark tr:hover td { background: rgba(255,255,255,0.04); }
.badge { display: inline-block; padding: .25rem .6rem; border-radius: 9999px; font-size: .75rem; font-weight: 700; text-transform: uppercase; letter-spacing: .03em; }
.badge-pending { background: rgba(249,168,37,0.15); color: #b28600; }
.badge-approved { background: rgba(46,125,50,0.12); color: #1b5e20; }
.badge-rejected { background: rgba(198,40,40,0.12); color: #8e0000; }
.badge-locked { background: rgba(107,114,128,0.15); color: #4b5563; }
.badge-completed { background: rgba(15,76,129,0.12); color: var(--primary); }

/* Alerts */
.alert { padding: 1rem; border-radius: .5rem; margin-bottom: 1.25rem; border-left: 4px solid; }
.alert-danger { background: rgba(198,40,40,0.08); color: #8e0000; border-color: var(--danger); }
.alert-success { background: rgba(46,125,50,0.08); color: #1b5e20; border-color: var(--success); }
.alert-warning { background: rgba(249,168,37,0.08); color: #9a7400; border-color: var(--warning); }

/* Sections */
.sections { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 1.25rem; }
.section-card { border: 1px solid var(--border); border-radius: var(--radius); padding: 1.35rem; background: var(--card-bg); box-shadow: var(--shadow); transition: box-shadow .2s ease; }
.section-card:hover { box-shadow: var(--shadow-lg); }
.section-title { font-weight: 700; margin: 0 0 .9rem; color: var(--primary); position: relative; padding-bottom: .55rem; }
.section-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 42px; height: 3px; border-radius: 3px; background: var(--gradient); }
body.dark .section-title { color: #7fb3e8; }

/* Dropzone */
.dropzone { border: 2px dashed var(--border); border-radius: var(--radius); padding: 2rem; text-align: center; color: var(--text-secondary); cursor: pointer; transition: border-color .15s, background .15s; background: rgba(15,76,129,0.02); }
.dropzone:hover, .dropzone.dragover { border-color: var(--primary); background: rgba(15,76,129,0.06); }

/* Signature pad */
.signature-pad { border: 1px solid var(--border); border-radius: var(--radius); width: 100%; height: 160px; background: #fff; }

/* Offline badge */
.offline-badge { position: fixed; bottom: 1rem; right: 1rem; background: var(--danger); color: #fff; padding: .75rem 1rem; border-radius: .5rem; display: none; z-index: 200; box-shadow: var(--shadow-lg); }

/* Mobile */
@media (max-width: 768px) {
    .app { display: block; }
    .sidebar { transform: translateX(-100%); top: 64px; height: calc(100vh - 64px); border-right: none; border-bottom: 1px solid var(--border); }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .content { padding: 1rem; }
    .kpi-grid { grid-template-columns: repeat(2, 1fr); }
    .sections { grid-template-columns: 1fr; }
    .login-card { padding: 1.75rem; }
    .page-header { flex-direction: column; align-items: flex-start; gap: .75rem; }
}

.rating-group { display:flex; gap:.5rem; flex-wrap:wrap; margin:.35rem 0 .75rem; }
.rating-btn { padding:.45rem .95rem; border:1.5px solid var(--border); border-radius:9999px; background:var(--card-bg); color:var(--text); cursor:pointer; font-size:.88rem; font-weight:600; transition: all .15s ease; }
.rating-btn:hover { border-color:var(--primary); transform: translateY(-1px); box-shadow: 0 3px 8px rgba(15,76,129,0.15); }
.rating-btn.selected[data-value="good"] { background:#16a34a; color:#fff; border-color:#16a34a; box-shadow: 0 4px 12px rgba(22,163,74,0.35); }
.rating-btn.selected[data-value="fair"] { background:#ca8a04; color:#fff; border-color:#ca8a04; box-shadow: 0 4px 12px rgba(202,138,4,0.35); }
.rating-btn.selected[data-value="poor"] { background:#ea580c; color:#fff; border-color:#ea580c; box-shadow: 0 4px 12px rgba(234,88,12,0.35); }
.rating-btn.selected[data-value="critical"] { background:#dc2626; color:#fff; border-color:#dc2626; box-shadow: 0 4px 12px rgba(220,38,38,0.35); }
.rating-btn.selected[data-value="needs_attention"] { background:#dc2626; color:#fff; border-color:#dc2626; }
.rating-btn.selected[data-value="not_applicable"] { background:#475569; color:#fff; border-color:#475569; box-shadow: 0 4px 12px rgba(71,85,105,0.35); }

/* Print */
@media print {
    .sidebar, .topbar, .no-print { display: none !important; }
    .main { margin: 0; }
    .card { box-shadow: none; border: none; }
    body { background: #fff; color: #000; }
}