/* ============================================================================
 * TSS SHELL — powłoka panelu CMS (logowanie + sidebar).
 * Adaptacja shell.css z platformy G-Digital dla Twojej Strefy Szkód:
 * kolory marki #072576 (granat) / #007aff (akcent), fonty systemowe.
 * Wymagane assety: /img/logo-tss.svg, /favicon.png
 * ========================================================================== */

:root {
  --gd-brand: #072576;
  --gd-brand-hover: #051b58;
  --gd-accent: #007aff;
  --gd-brand-tint: #EBF3FF;
  --gd-bg: #F4F5F7;
  --gd-card: #ffffff;
  --gd-border: #E2E8F0;
  --gd-border-soft: #F1F5F9;
  --gd-text: #0F172A;
  --gd-text-2: #475569;
  --gd-muted: #64748B;
  --gd-err: #DC2626;
  --gd-font: -apple-system, 'Segoe UI', system-ui, sans-serif;
  --gd-font-heading: -apple-system, 'Segoe UI', system-ui, sans-serif;
}

.gd-login-screen, .gd-sidebar {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ---------- EKRAN LOGOWANIA ---------------------------------------------- */
.gd-login-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center;
  background: var(--gd-bg); position: relative; overflow: hidden; font-family: var(--gd-font); }
.gd-login-screen::before { content: ''; position: absolute; top: -160px; right: -160px; width: 600px; height: 600px;
  background: rgba(7,37,118,.10); border-radius: 50%; filter: blur(64px); pointer-events: none; }
.gd-login-screen::after { content: ''; position: absolute; bottom: -160px; left: -160px; width: 500px; height: 500px;
  background: rgba(0,122,255,.06); border-radius: 50%; filter: blur(64px); pointer-events: none; }
.gd-login-card { background: var(--gd-card); border: 1px solid var(--gd-border); border-radius: 24px;
  padding: 48px; text-align: center; display: flex; flex-direction: column; gap: 14px; align-items: center;
  width: 100%; max-width: 420px; box-shadow: 0 10px 40px rgba(7,37,118,.12); position: relative; z-index: 1; }
.gd-login-lockup { display: flex; align-items: center; justify-content: center; gap: 12px; }
.gd-login-logo { max-width: 210px; max-height: 48px; object-fit: contain; }
.gd-login-lockup-signet { width: 36px; height: 36px; object-fit: contain; }
.gd-login-lockup-text { width: 122px; object-fit: contain; }
.gd-login-title { font-family: var(--gd-font-heading); font-size: 26px; letter-spacing: .01em;
  color: var(--gd-text); margin: 0; line-height: 32px; font-weight: 700; }
.gd-login-sub { font-size: 14px; color: var(--gd-muted); margin: 0; line-height: 20px; }
.gd-login-error { font-size: 14px; color: var(--gd-err); margin: 0; }

/* ---------- SIDEBAR ------------------------------------------------------- */
.gd-sidebar { width: 256px; flex-shrink: 0; background: var(--gd-card); color: var(--gd-text-2);
  border-right: 1px solid var(--gd-border); display: flex; flex-direction: column;
  font-family: var(--gd-font); }
.gd-sidebar-head { display: flex; align-items: center; gap: 12px; padding: 22px 20px;
  border-bottom: 1px solid var(--gd-border-soft); }
.gd-sidebar-signet { width: 34px; height: 34px; object-fit: contain; flex-shrink: 0; }
.gd-sidebar-brand { font-family: var(--gd-font-heading); color: var(--gd-text); font-size: 15px;
  letter-spacing: .02em; line-height: 20px; font-weight: 700; }
.gd-sidebar-domain { font-size: 11px; color: var(--gd-muted); margin-top: 2px; line-height: 14px; }
.gd-sidebar-nav { flex: 1; padding: 14px 12px; overflow-y: auto; }
.gd-nav-section-title { font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .2em; color: var(--gd-muted); padding: 0 12px 8px; }
.gd-nav-item { display: flex; align-items: center; gap: 11px; width: 100%; padding: 10px 12px;
  border: none; background: none; border-radius: 12px; font-size: 14px; font-family: inherit;
  color: var(--gd-text-2); cursor: pointer; transition: all .15s; text-align: left;
  text-decoration: none; }
.gd-nav-item:hover { background: var(--gd-border-soft); color: var(--gd-text); }
.gd-nav-item.active { background: var(--gd-brand-tint); color: var(--gd-brand); font-weight: 600; }
.gd-sidebar-foot { border-top: 1px solid var(--gd-border-soft); padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.gd-sidebar-user { font-size: 12px; color: var(--gd-muted); overflow: hidden;
  text-overflow: ellipsis; white-space: nowrap; }
.gd-sidebar-logout { background: none; border: none; color: var(--gd-err); font-size: 12px;
  cursor: pointer; font-family: inherit; padding: 6px 10px; border-radius: 8px; flex-shrink: 0; }
.gd-sidebar-logout:hover { background: rgba(239,68,68,.1); }