/* TechNetwork Link Shortener — professional, clean, fast.
   Light theme, no external fonts or libraries, so it stays fast on shared hosting. */
* { box-sizing: border-box; }
:root {
  --bg: #f1f5f9; --card: #ffffff; --border: #e2e8f0; --text: #0f172a;
  --muted: #64748b; --primary: #2563eb; --primary-dark: #1d4ed8;
  --success: #15803d; --success-bg: #f0fdf4; --danger: #dc2626; --danger-bg: #fef2f2;
  --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 14px rgba(15,23,42,.04);
}
body { font-family: Inter, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; margin: 0; background: var(--bg); color: var(--text); line-height: 1.55; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; }

/* Header */
.topbar { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; padding: 12px 24px; background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 10; box-shadow: 0 1px 6px rgba(15,23,42,.05); }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; }
.brand:hover { text-decoration: none; }
.logo { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 10px; background: linear-gradient(135deg, #2563eb, #0ea5e9); color: #fff; font-weight: 800; font-size: 15px; letter-spacing: .5px; }
.brand-name { display: block; font-weight: 800; font-size: 17px; line-height: 1.1; }
.brand-sub { display: block; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.topbar nav { display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.topbar nav a { margin-left: 2px; padding: 7px 11px; border-radius: 8px; color: #334155; font-weight: 600; font-size: 14px; }
.topbar nav a:hover { background: #f1f5f9; text-decoration: none; }
.topbar nav span { margin-left: 8px; padding: 7px 11px; border-radius: 999px; background: #eff6ff; color: #1d4ed8; font-weight: 700; font-size: 13px; }

/* Layout */
.wrap { max-width: 1080px; margin: 0 auto; padding: 28px 20px 48px; }
h1 { font-size: 28px; letter-spacing: -.02em; margin: 4px 0 6px; }
h2 { font-size: 18px; margin: 0 0 12px; letter-spacing: -.01em; }
.page-sub, .auth-sub { color: var(--muted); margin: 0 0 20px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 20px 22px; margin: 18px 0; box-shadow: var(--shadow); }
.stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 14px; }
.stat { background: var(--card); border: 1px solid var(--border); border-top: 4px solid var(--primary); border-radius: 14px; padding: 18px 20px; box-shadow: var(--shadow); }
.stat strong { display: block; font-size: 32px; letter-spacing: -.02em; }
.stat span { display: block; color: var(--text); font-weight: 700; margin-top: 2px; }
.stat small { display: block; color: var(--muted); margin-top: 2px; }

/* Forms */
label { display: block; margin: 12px 0; font-weight: 600; font-size: 14px; }
label.check { font-weight: 500; }
input, select, textarea { width: 100%; padding: 11px 12px; margin-top: 6px; font: inherit; font-weight: 400; background: #fff; color: var(--text); border: 1px solid #cbd5e1; border-radius: 9px; outline: none; }
input:focus, select:focus, textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(37,99,235,.15); }
input[type="checkbox"], input[type="radio"] { width: auto; }
button { background: var(--primary); color: #fff; border: 0; padding: 10px 18px; border-radius: 9px; cursor: pointer; margin: 6px 4px 6px 0; font: inherit; font-weight: 700; }
button:hover { background: var(--primary-dark); }
.copy-btn { background: #fff; color: #334155; border: 1px solid #cbd5e1; padding: 6px 12px; font-size: 13px; }
.copy-btn:hover { background: #f8fafc; }
.row { padding: 12px 2px; border-bottom: 1px solid #f1f5f9; overflow-wrap: anywhere; word-break: break-word; }
.row:last-child { border-bottom: 0; }
.error { color: var(--danger); background: var(--danger-bg); border: 1px solid #fecaca; border-radius: 9px; padding: 10px 14px; }
.ok { color: var(--success); background: var(--success-bg); border: 1px solid #bbf7d0; border-radius: 9px; padding: 10px 14px; }
.muted { color: var(--muted); }
.group { border-top: 1px solid var(--border); padding-top: 14px; margin-top: 14px; }
canvas { width: 100%; background: #f8fafc; border: 1px solid var(--border); border-radius: 10px; }

/* Login: centred, professional */
.auth-wrap { max-width: 480px; }
.auth-wrap h1 { text-align: center; font-size: 26px; }
.auth-wrap .auth-sub { text-align: center; }
.auth-wrap .card { padding: 26px; }

/* Cool dashboard: all links as cards */
.link-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; margin-top: 12px; }
.link-card { background: #fff; border: 1px solid var(--border); border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); transition: transform .15s ease, box-shadow .15s ease; }
.link-card:hover { transform: translateY(-3px); box-shadow: 0 8px 24px rgba(15,23,42,.12); }
.link-banner { width: 100%; height: 150px; object-fit: cover; display: block; background: linear-gradient(135deg, #2563eb, #0ea5e9); }
.link-body { padding: 16px; }
.link-title { display: block; font-size: 17px; margin-bottom: 4px; }
.link-url { font-size: 14px; word-break: break-all; }
.link-meta { margin-top: 10px; }
.click-big { font-size: 20px; font-weight: 800; color: #0f172a; }
.badge-multiplier { display: inline-block; padding: 3px 9px; border-radius: 999px; background: linear-gradient(135deg, #7c3aed, #db2777); color: #fff; font-weight: 800; font-size: 12px; }
.link-actions { margin-top: 12px; display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* Footer */
.site-footer { max-width: 1080px; margin: 0 auto; padding: 0 20px 28px; color: var(--muted); font-size: 13px; text-align: center; }

@media (max-width: 640px) {
  .wrap { padding: 20px 14px 36px; }
  .topbar { padding: 10px 14px; }
  h1 { font-size: 24px; }
  .card { padding: 16px; }
}

/* Dark mode — toggled from the header, saved per browser. */
[data-theme="dark"] {
  --bg: #0f172a; --card: #1e293b; --border: #334155; --text: #f1f5f9;
  --muted: #94a3b8; --primary: #60a5fa; --primary-dark: #3b82f6;
  --success: #4ade80; --success-bg: #14532d; --danger: #f87171; --danger-bg: #450a0a;
  --shadow: 0 1px 3px rgba(0,0,0,.4), 0 4px 14px rgba(0,0,0,.3);
}
[data-theme="dark"] .topbar { background: #1e293b; }
[data-theme="dark"] .topbar nav a { color: #e2e8f0; }
[data-theme="dark"] .topbar nav a:hover { background: #334155; }
[data-theme="dark"] .topbar nav span { background: #1e3a8a; color: #bfdbfe; }
[data-theme="dark"] input, [data-theme="dark"] select, [data-theme="dark"] textarea { background: #0f172a; color: var(--text); border-color: #475569; }
[data-theme="dark"] .copy-btn { background: #1e293b; color: #e2e8f0; border-color: #475569; }
[data-theme="dark"] .copy-btn:hover { background: #334155; }
[data-theme="dark"] .link-card { background: var(--card); }
[data-theme="dark"] .click-big { color: var(--text); }
[data-theme="dark"] canvas { background: #0f172a; }
[data-theme="dark"] .row { border-color: #334155; }
.theme-toggle { background: transparent; color: var(--text); border: 1px solid var(--border); padding: 7px 11px; border-radius: 8px; font-size: 13px; font-weight: 700; cursor: pointer; margin: 0; }
.theme-toggle:hover { background: var(--bg); }

/* Admin multiplier panel — clean, compact, works in light and dark mode.
   This is admin-only: regular users never see this panel. */
.admin-mult { background: var(--bg); border: 1px solid var(--border); border-radius: 12px; padding: 14px 16px; margin: 12px 0; }
.admin-mult-head { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; margin-bottom: 10px; font-size: 14px; }
.admin-mult-label { font-size: 12px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.admin-mult-badge { display: inline-block; background: var(--primary); color: #fff; font-weight: 800; font-size: 13px; padding: 3px 10px; border-radius: 999px; }
.admin-mult-meta { color: var(--muted); font-size: 13px; }
.admin-mult-controls { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.admin-mult-controls form { margin: 0; }
.admin-mult-controls input[type="number"] { width: 72px; padding: 9px 10px; border-radius: 9px; }
.admin-mult-controls button { margin: 0; padding: 9px 14px; }
.admin-mult-quick button { background: transparent; color: var(--primary); border: 1px solid var(--primary); padding: 8px 13px; }
.admin-mult-quick button:hover { background: var(--primary); color: #fff; }
.admin-mult-quick button.admin-mult-active { background: var(--primary); color: #fff; }

/* Admin real-clicks table: clean columns, aligned numbers, badge multiplier. */
.admin-real-table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 14px; }
.admin-real-table th { text-align: left; font-size: 12px; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); padding: 10px 12px; border-bottom: 2px solid var(--border); }
.admin-real-table td { padding: 11px 12px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.admin-real-table tbody tr:hover { background: var(--bg); }
.admin-real-table th.num, .admin-real-table td.num { text-align: right; font-variant-numeric: tabular-nums; }
.admin-real-table .admin-mult-badge { font-size: 12px; padding: 3px 9px; }
.admin-real-wrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 12px; }
.admin-real-table { margin-top: 0; }
.admin-real-table thead th { background: var(--bg); position: sticky; top: 0; }
.admin-real-table tbody tr:nth-child(even) { background: var(--bg); }
.admin-real-table tbody tr:hover { background: var(--bg); filter: brightness(1.02); }
.admin-real-table tfoot td { border-top: 2px solid var(--border); background: var(--bg); font-size: 15px; }
.admin-mult-badge.mult-1 { background: #64748b; }
.admin-mult-badge.mult-2 { background: #2563eb; }
.admin-mult-badge.mult-3 { background: #d97706; }
.admin-mult-badge.mult-5 { background: #7c3aed; }

/* Recent Clicks filter card, like the reference dashboard. */
.recent-head { display: flex; justify-content: space-between; align-items: flex-start; flex-wrap: wrap; gap: 12px; }
.recent-head h2 { margin: 0; }
.recent-filters { display: flex; gap: 8px; flex-wrap: wrap; align-items: end; margin: 0; }
.recent-filters label { font-size: 13px; font-weight: 700; color: var(--muted); }
.recent-filters select, .recent-filters input[type="date"] { display: block; margin-top: 4px; padding: 8px 10px; border-radius: 9px; }
.recent-filters button { margin: 0; }
.recent-filters a { align-self: center; font-weight: 700; }

/* Links card edit panel: tucked away so the card stays clean like Dashboard. */
.link-edit { margin-top: 14px; border-top: 1px solid var(--border); padding-top: 10px; }
.link-edit summary { cursor: pointer; font-weight: 700; font-size: 14px; color: var(--primary); }
.link-edit form { margin-top: 10px; }

/* Professional polish for link cards and the admin panel. */
.link-grid { gap: 20px; }
.link-card { border-radius: 18px; box-shadow: 0 2px 10px rgba(15,23,42,.06); }
.link-card:hover { transform: translateY(-4px); box-shadow: 0 14px 30px rgba(15,23,42,.14); }
.link-banner { height: 170px; }
.link-body { padding: 18px 18px 20px; }
.link-title { font-size: 18px; font-weight: 800; letter-spacing: -.01em; }
.link-url { color: var(--primary); font-weight: 600; }
.click-big { font-size: 22px; letter-spacing: -.01em; }
.status-badge { display: inline-block; font-size: 12px; font-weight: 800; padding: 3px 10px; border-radius: 999px; background: #dcfce7; color: #166534; }
.status-badge.disabled { background: #fee2e2; color: #991b1b; }
.pin-badge { display: inline-block; font-size: 12px; font-weight: 800; padding: 3px 10px; border-radius: 999px; background: #fef3c7; color: #92400e; }
.owner-badge { display: inline-block; font-size: 12px; font-weight: 800; padding: 3px 10px; border-radius: 999px; background: #e0e7ff; color: #3730a3; }
[data-theme="dark"] .pin-badge { background: #78350f; color: #fde68a; }
[data-theme="dark"] .owner-badge { background: #312e81; color: #c7d2fe; }
.link-btn { display: inline-block; background: linear-gradient(135deg, #2563eb, #0ea5e9); color: #fff; padding: 10px 18px; border-radius: 9px; font-weight: 700; text-decoration: none; margin: 6px 4px 6px 0; box-shadow: 0 4px 14px rgba(37,99,235,.35); }
.link-btn:hover { filter: brightness(1.05); color: #fff; }
.link-btn-secondary { background: transparent; color: var(--text); border: 1px solid var(--border); box-shadow: none; }
.link-btn-secondary:hover { color: var(--text); }
.splitter-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.splitter-head h2, .splitter-head h3 { margin: 0; }
.splitter-group { border: 1px solid var(--border); border-radius: 14px; padding: 16px 18px; margin: 14px 0; background: var(--card); box-shadow: var(--shadow); }
.rule-pill { display: inline-block; font-size: 12px; font-weight: 700; padding: 3px 10px; border-radius: 999px; background: var(--border); margin: 2px; }
[data-theme="dark"] .status-badge { background: #14532d; color: #bbf7d0; }
[data-theme="dark"] .status-badge.disabled { background: #7f1d1d; color: #fecaca; }
.admin-mult { background: linear-gradient(180deg, var(--card), var(--bg)); border-radius: 14px; padding: 16px; box-shadow: inset 0 0 0 1px var(--border); }
.admin-mult-head { margin-bottom: 12px; }
.admin-mult-badge { font-size: 14px; padding: 4px 12px; }
.admin-mult-controls button { border-radius: 10px; font-size: 14px; }
.admin-mult-quick button { border-radius: 999px; font-weight: 800; }

/* COOL upgrade (2026-10-31, CSS only — no numbers, links or settings changed).
   Gradient stats, gradient buttons, glow cards, smoother hovers. Works in
   light and dark mode because it reuses the theme variables. */
.card { border-radius: 18px; box-shadow: 0 2px 12px rgba(15,23,42,.07), 0 10px 30px rgba(15,23,42,.05); transition: box-shadow .2s ease, transform .2s ease; }
.stats .stat { position: relative; overflow: hidden; border-top: 0; padding-top: 22px; }
.stats .stat::before { content: ""; position: absolute; left: 0; top: 0; right: 0; height: 5px; background: linear-gradient(90deg, #2563eb, #0ea5e9, #7c3aed, #db2777); }
.stats .stat::after { content: ""; position: absolute; right: -24px; top: -24px; width: 110px; height: 110px; border-radius: 50%; background: radial-gradient(circle, rgba(37,99,235,.22), transparent 70%); pointer-events: none; }
.stats .stat:nth-child(2)::before { background: linear-gradient(90deg, #db2777, #7c3aed, #2563eb); }
.stats .stat:nth-child(2)::after { background: radial-gradient(circle, rgba(219,39,119,.20), transparent 70%); }
.stats .stat strong { font-size: 36px; background: linear-gradient(135deg, #2563eb, #7c3aed); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats .stat:nth-child(2) strong { background: linear-gradient(135deg, #db2777, #2563eb); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stats .stat:hover { transform: translateY(-3px); box-shadow: 0 14px 30px rgba(15,23,42,.13); }
button { background: linear-gradient(135deg, #2563eb, #0ea5e9); box-shadow: 0 4px 14px rgba(37,99,235,.35); transition: transform .15s ease, box-shadow .15s ease, filter .15s ease; }
button:hover { background: linear-gradient(135deg, #1d4ed8, #0284c7); filter: brightness(1.05); transform: translateY(-1px); }
button:active { transform: translateY(0); }
.topbar { box-shadow: 0 2px 12px rgba(15,23,42,.08); }
.logo { background: linear-gradient(135deg, #2563eb, #7c3aed, #db2777); box-shadow: 0 4px 12px rgba(124,58,237,.35); }
.link-card { border-radius: 20px; }
.link-card:hover { transform: translateY(-5px) scale(1.01); box-shadow: 0 18px 36px rgba(15,23,42,.16); }
.link-banner { position: relative; }
canvas { border-radius: 14px; box-shadow: inset 0 0 0 1px var(--border); }
.recent-filters button { border-radius: 999px; padding: 10px 20px; }
.recent-filters select, .recent-filters input[type="date"] { border-radius: 999px; font-weight: 600; }
.admin-real-table tbody tr:hover { background: rgba(37,99,235,.07); }
[data-theme="dark"] .admin-real-table tbody tr:hover { background: rgba(96,165,250,.12); }
h1 { font-size: 30px; }
@media (max-width: 640px) {
  .stats .stat strong { font-size: 30px; }
  h1 { font-size: 26px; }
}

/* Reference-style chart: dark canvas, like the reference screenshot. */
canvas { background: #0f172a; border-color: #1e293b; }

/* Recent Activity, like the reference panel: dark rows, white title. */
.activity-row { background: #0f172a; color: #f1f5f9; border-radius: 12px; padding: 12px 14px; margin: 10px 0; overflow-wrap: anywhere; }
.activity-top { display: flex; flex-wrap: wrap; gap: 8px; align-items: baseline; }
.activity-top strong { color: #fff; }
.activity-url { color: #60a5fa; font-size: 13px; word-break: break-all; }
.activity-time { margin-left: auto; color: #94a3b8; font-size: 13px; white-space: nowrap; }
.activity-meta { color: #94a3b8; font-size: 13px; margin-top: 4px; word-break: break-all; }