/* ═══════════════════════════════════════════════════
   Monitor Pelletu — Wspólne style
   ═══════════════════════════════════════════════════ */

:root {
  --bg:          #0f1117;
  --surface:     #181c27;
  --surface2:    #1f2436;
  --border:      #2a3050;
  --accent:      #f97316;
  --accent2:     #fb923c;
  --accent-glow: rgba(249,115,22,0.15);
  --text:        #e8eaf2;
  --text-muted:  #6b7280;
  --text-dim:    #9ca3af;
  --green:       #22c55e;
  --red:         #ef4444;
  --blue:        #60a5fa;
  --mono:        'DM Mono', monospace;
  --sans:        'Syne', sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--mono);
  min-height: 100vh;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(249,115,22,0.08) 0%, transparent 60%),
    radial-gradient(ellipse 60% 40% at 80% 110%, rgba(96,165,250,0.05) 0%, transparent 60%);
}

/* ── NAVIGATION ── */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(15,17,23,0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.nav-inner {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--text);
  flex-shrink: 0;
}
.nav-logo-icon {
  width: 34px; height: 34px;
  background: var(--accent);
  border-radius: 8px;
  display: grid; place-items: center;
  font-size: 17px;
  box-shadow: 0 0 16px rgba(249,115,22,0.4);
}
.nav-logo h1 {
  font-family: var(--sans);
  font-weight: 800;
  font-size: 1.1rem;
  letter-spacing: -0.02em;
}
.nav-logo span { color: var(--accent); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 6px 14px;
  border-radius: 8px;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-muted);
  transition: all .18s;
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--mono);
}
.nav-link:hover { color: var(--text); background: var(--surface2); }
.nav-link.active { color: var(--accent); background: var(--accent-glow); }
.nav-right {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.user-badge {
  display: flex; align-items: center; gap: 7px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 99px;
  padding: 5px 12px 5px 6px;
  font-size: 0.72rem;
  color: var(--text-dim);
}
.user-avatar {
  width: 24px; height: 24px;
  background: var(--accent);
  border-radius: 50%;
  display: grid; place-items: center;
  font-size: 11px; color: #fff;
  font-weight: 700; font-family: var(--sans);
}
.nav-logout {
  background: none; border: none;
  color: var(--text-muted); cursor: pointer;
  font-size: .68rem; margin-left: 2px;
  font-family: var(--mono);
  transition: color .15s;
}
.nav-logout:hover { color: var(--red); }
.sync-indicator { display: flex; align-items: center; gap: 5px; font-size: 0.68rem; color: var(--text-muted); }
.sync-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--green); flex-shrink: 0; }
.sync-dot.syncing { background: var(--accent); animation: pulse 1s infinite; }
.sync-dot.error   { background: var(--red); }

/* ── SHELL ── */
.shell { max-width: 1280px; margin: 0 auto; padding: 36px 24px 60px; }
.page-header { margin-bottom: 36px; }
.page-header h2 { font-family: var(--sans); font-weight: 800; font-size: 1.8rem; letter-spacing: -0.02em; margin-bottom: 6px; }
.page-header p  { font-size: 0.82rem; color: var(--text-muted); line-height: 1.6; }

/* ── SECTION TITLE ── */
.section-title {
  font-family: var(--sans); font-size: 0.78rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.12em; color: var(--text-muted);
  margin-bottom: 14px; display: flex; align-items: center; gap: 8px;
}
.section-title::after { content: ''; flex: 1; height: 1px; background: var(--border); }

/* ── CARDS ── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 16px; margin-bottom: 32px; }
.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 14px; padding: 20px 22px;
  transition: border-color .2s, transform .15s;
}
.card:hover { border-color: var(--accent); transform: translateY(-2px); }
.card-label { font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 10px; }
.card-value { font-family: var(--sans); font-size: 2rem; font-weight: 700; line-height: 1; }
.card-unit  { font-size: 0.78rem; color: var(--text-muted); margin-top: 4px; }
.card-accent .card-value { color: var(--accent); }
.card-green  .card-value { color: var(--green); }
.card-red    .card-value { color: var(--red); }
.card-blue   .card-value { color: var(--blue); }

/* ── ALERT ── */
.alert { border-radius: 12px; padding: 14px 20px; margin-bottom: 28px; font-size: 0.83rem; display: flex; align-items: center; gap: 10px; font-weight: 500; }
.alert-ok   { background: rgba(34,197,94,0.12);  border: 1px solid rgba(34,197,94,0.3);  color: var(--green); }
.alert-warn { background: rgba(249,115,22,0.12); border: 1px solid rgba(249,115,22,0.4); color: var(--accent); animation: pulse 2s infinite; }
.alert-info { background: rgba(96,165,250,0.10); border: 1px solid rgba(96,165,250,0.25); color: var(--blue); }

/* ── GAUGE ── */
.gauge-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px 24px; margin-bottom: 32px; }
.gauge-header { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 14px; }
.gauge-title { font-family: var(--sans); font-weight: 700; font-size: 1rem; }
.gauge-pct   { font-family: var(--sans); font-weight: 800; font-size: 1.6rem; color: var(--accent); }
.gauge-track { height: 14px; background: var(--surface2); border-radius: 99px; overflow: hidden; }
.gauge-fill  { height: 100%; border-radius: 99px; background: linear-gradient(90deg, var(--accent), #fbbf24); transition: width 1s cubic-bezier(.4,0,.2,1); }
.gauge-marks { display: flex; justify-content: space-between; margin-top: 6px; font-size: 0.64rem; color: var(--text-muted); }

/* ── TABLE ── */
.table-wrap { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; overflow: hidden; margin-bottom: 32px; overflow-x: auto; }
table { width: 100%; border-collapse: collapse; min-width: 480px; }
thead th { background: var(--surface2); padding: 12px 16px; text-align: left; font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--text-muted); border-bottom: 1px solid var(--border); font-weight: 400; }
tbody tr { border-bottom: 1px solid rgba(42,48,80,0.5); transition: background .15s; }
tbody tr:last-child { border-bottom: none; }
tbody tr:hover { background: var(--surface2); }
tbody td { padding: 11px 16px; font-size: 0.8rem; color: var(--text-dim); }
tbody td:first-child { color: var(--text); }
.badge     { display: inline-block; padding: 2px 10px; border-radius: 99px; font-size: 0.68rem; }
.badge-ok  { background: rgba(34,197,94,0.15);  color: var(--green); }
.badge-new { background: rgba(249,115,22,0.15); color: var(--accent); }

/* ── FORMS ── */
.form-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(190px, 1fr)); gap: 16px; margin-bottom: 20px; }
.form-group label { display: block; font-size: 0.66rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--text-muted); margin-bottom: 7px; }
.form-group input,
.form-group select,
.form-group textarea {
  width: 100%; background: var(--surface2); border: 1px solid var(--border);
  border-radius: 8px; padding: 10px 14px; color: var(--text);
  font-family: var(--mono); font-size: 0.83rem; outline: none;
  transition: border-color .2s, box-shadow .2s; resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-glow); }
.form-group select option { background: var(--surface2); }

/* ── BUTTONS ── */
.btn { padding: 10px 22px; border-radius: 8px; border: none; cursor: pointer; font-family: var(--mono); font-size: 0.8rem; font-weight: 500; letter-spacing: 0.05em; transition: all .2s; }
.btn-primary   { background: var(--accent); color: #fff; box-shadow: 0 0 18px rgba(249,115,22,0.3); }
.btn-primary:hover { background: var(--accent2); transform: translateY(-1px); }
.btn-primary:disabled { opacity: .5; cursor: not-allowed; transform: none; }
.btn-secondary { background: var(--surface2); color: var(--text-dim); border: 1px solid var(--border); }
.btn-secondary:hover { color: var(--text); border-color: var(--text-muted); }
.btn-danger    { background: rgba(239,68,68,0.1); color: var(--red); border: 1px solid rgba(239,68,68,0.3); }
.btn-danger:hover { background: rgba(239,68,68,0.2); }
.btn-edit      { background: rgba(96,165,250,0.1); color: var(--blue); border: 1px solid rgba(96,165,250,0.25); }
.btn-edit:hover { background: rgba(96,165,250,0.2); }
.btn-row       { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 32px; }
.action-btns   { display: flex; gap: 6px; }

/* ── MODAL ── */
.modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.72); display: grid; place-items: center; z-index: 200; padding: 24px; backdrop-filter: blur(4px); opacity: 0; pointer-events: none; transition: opacity .2s; }
.modal-overlay.open { opacity: 1; pointer-events: all; }
.modal { background: var(--surface); border: 1px solid var(--border); border-radius: 18px; padding: 32px; width: 100%; max-width: 540px; transform: translateY(16px); transition: transform .25s; max-height: 90vh; overflow-y: auto; }
.modal-overlay.open .modal { transform: none; }
.modal-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 24px; }
.modal-title  { font-family: var(--sans); font-weight: 700; font-size: 1.1rem; }
.modal-close  { background: var(--surface2); border: 1px solid var(--border); border-radius: 8px; width: 32px; height: 32px; display: grid; place-items: center; cursor: pointer; color: var(--text-muted); font-size: 1rem; transition: all .15s; }
.modal-close:hover { color: var(--text); border-color: var(--text-muted); }
.modal-footer { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; }

/* ── CHART ── */
.chart-wrap  { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 22px 24px; margin-bottom: 32px; }
.chart-title { font-family: var(--sans); font-weight: 700; font-size: 1rem; margin-bottom: 20px; }
.bar-chart   { display: flex; align-items: flex-end; gap: 6px; height: 160px; border-bottom: 1px solid var(--border); padding-bottom: 8px; }
.bar-col     { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 4px; }
.bar         { width: 100%; border-radius: 4px 4px 0 0; background: linear-gradient(180deg, var(--accent2), var(--accent)); min-height: 2px; position: relative; cursor: pointer; transition: filter .15s; }
.bar:hover   { filter: brightness(1.2); }
.bar-label   { font-size: 0.58rem; color: var(--text-muted); text-align: center; margin-top: 6px; }
.bar-val     { font-size: 0.58rem; color: var(--text-muted); }
.tooltip     { position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%); background: var(--surface2); border: 1px solid var(--border); border-radius: 6px; padding: 4px 10px; font-size: 0.66rem; white-space: nowrap; pointer-events: none; opacity: 0; transition: opacity .2s; z-index: 10; }
.bar:hover .tooltip { opacity: 1; }

/* ── LOADING ── */
.loading-overlay { position: fixed; inset: 0; background: var(--bg); display: grid; place-items: center; z-index: 100; transition: opacity .3s; }
.loading-overlay.hidden { opacity: 0; pointer-events: none; }
.spinner { width: 48px; height: 48px; border: 3px solid var(--border); border-top-color: var(--accent); border-radius: 50%; animation: spin 0.8s linear infinite; }

/* ── AUTH ── */
.auth-screen { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth-box    { background: var(--surface); border: 1px solid var(--border); border-radius: 20px; padding: 40px; width: 100%; max-width: 420px; animation: slideUp .4s ease; }
.auth-logo   { display: flex; align-items: center; gap: 12px; margin-bottom: 32px; }
.auth-logo-icon { width: 48px; height: 48px; background: var(--accent); border-radius: 12px; display: grid; place-items: center; font-size: 24px; box-shadow: 0 0 24px rgba(249,115,22,0.4); }
.auth-logo h1 { font-family: var(--sans); font-weight: 800; font-size: 1.4rem; color: var(--text); }
.auth-logo span { color: var(--accent); }
.auth-title { font-family: var(--sans); font-size: 1.1rem; font-weight: 700; margin-bottom: 6px; }
.auth-sub   { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 28px; line-height: 1.5; }
.auth-tabs  { display: flex; background: var(--surface2); border-radius: 10px; padding: 4px; margin-bottom: 24px; }
.auth-tab   { flex: 1; padding: 8px; text-align: center; border-radius: 7px; cursor: pointer; font-size: 0.78rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--text-muted); transition: all .2s; border: none; background: none; font-family: var(--mono); }
.auth-tab.active { background: var(--accent); color: #fff; }
.auth-error   { background: rgba(239,68,68,0.12); border: 1px solid rgba(239,68,68,0.3); color: var(--red); border-radius: 8px; padding: 10px 14px; font-size: 0.78rem; margin-bottom: 16px; display: none; }
.auth-error.show { display: block; }
.auth-success { background: rgba(34,197,94,0.12); border: 1px solid rgba(34,197,94,0.3); color: var(--green); border-radius: 8px; padding: 10px 14px; font-size: 0.78rem; margin-bottom: 16px; display: none; line-height: 1.5; }
.auth-success.show { display: block; }
.auth-link  { background: none; border: none; color: var(--accent); cursor: pointer; font-family: var(--mono); font-size: 0.75rem; text-decoration: underline; text-underline-offset: 3px; padding: 0; }
.auth-link:hover { color: var(--accent2); }
.auth-footer-row { display: flex; justify-content: space-between; align-items: center; margin-top: 18px; font-size: 0.75rem; color: var(--text-muted); flex-wrap: wrap; gap: 8px; }

/* ── SETTINGS ── */
.settings-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; max-width: 680px; }
.settings-info { background: rgba(96,165,250,0.08); border: 1px solid rgba(96,165,250,0.2); border-radius: 10px; padding: 14px 18px; font-size: 0.78rem; color: var(--blue); line-height: 1.6; margin-bottom: 24px; }

/* ── TABS ── */
.tabs { display: flex; gap: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: 12px; padding: 4px; margin-bottom: 32px; width: fit-content; flex-wrap: wrap; }
.tab { padding: 8px 18px; border-radius: 8px; font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.05em; cursor: pointer; border: none; background: none; color: var(--text-muted); transition: all .2s; text-transform: uppercase; }
.tab.active { background: var(--accent); color: #fff; box-shadow: 0 0 16px rgba(249,115,22,0.35); }
.tab:not(.active):hover { color: var(--text); background: var(--surface2); }
.panel { display: none; animation: panelIn .3s ease; }
.panel.active { display: block; }

/* ── EMPTY STATE ── */
.empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); font-size: 0.83rem; }
.empty-state .icon { font-size: 2.5rem; margin-bottom: 12px; }

/* ── CHANGELOG specific ── */
.changelog-entry {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 28px;
  margin-bottom: 20px;
  transition: border-color .2s;
}
.changelog-entry:hover { border-color: var(--border); }
.changelog-entry:first-child { border-color: var(--accent); }
.changelog-version {
  display: flex; align-items: center; gap: 12px; margin-bottom: 16px; flex-wrap: wrap;
}
.changelog-ver-num { font-family: var(--sans); font-weight: 800; font-size: 1.2rem; }
.changelog-date    { font-size: 0.72rem; color: var(--text-muted); }
.changelog-list    { list-style: none; display: flex; flex-direction: column; gap: 8px; }
.changelog-list li { display: flex; gap: 10px; font-size: 0.82rem; color: var(--text-dim); line-height: 1.5; }
.changelog-list li::before { content: '→'; color: var(--accent); flex-shrink: 0; }
.changelog-list li.fix::before  { content: '🔧'; }
.changelog-list li.new::before  { content: '✨'; }
.changelog-list li.brk::before  { content: '⚠️'; }

/* ── CONTACT specific ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; align-items: start; }
.contact-info-box { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px; }
.contact-info-box h3 { font-family: var(--sans); font-weight: 700; margin-bottom: 16px; }
.contact-info-item { display: flex; gap: 12px; margin-bottom: 14px; font-size: 0.82rem; color: var(--text-dim); align-items: flex-start; line-height: 1.5; }
.contact-info-icon { font-size: 1.1rem; flex-shrink: 0; margin-top: 1px; }
.contact-form-box  { background: var(--surface); border: 1px solid var(--border); border-radius: 14px; padding: 28px; }

/* ── ANIMATIONS ── */
@keyframes spin    { to { transform: rotate(360deg) } }
@keyframes pulse   { 0%,100%{opacity:1} 50%{opacity:.7} }
@keyframes slideUp { from { opacity:0; transform:translateY(20px) } to { opacity:1; transform:none } }
@keyframes panelIn { from { opacity:0; transform:translateY(8px) } to { opacity:1; transform:none } }
@keyframes fadeIn  { from { opacity:0 } to { opacity:1 } }

/* ── HAMBURGER BUTTON ── */
.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 36px; height: 36px;
  background: var(--surface2);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  padding: 8px;
  flex-shrink: 0;
  transition: border-color .2s;
}
.nav-hamburger:hover { border-color: var(--accent); }
.nav-hamburger span {
  display: block;
  height: 2px;
  background: var(--text-dim);
  border-radius: 2px;
  transition: all .25s ease;
  transform-origin: center;
}
/* Animacja X gdy otwarte */
.nav-hamburger.open span:nth-child(1) { transform: translateY(7px) rotate(45deg); background: var(--accent); }
.nav-hamburger.open span:nth-child(2) { opacity: 0; transform: scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); background: var(--accent); }

/* ── MOBILE MENU DRAWER ── */
.nav-mobile-menu {
  display: none;
  position: absolute;
  top: 60px; left: 0; right: 0;
  background: rgba(15,17,23,0.97);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 12px 20px 20px;
  flex-direction: column;
  gap: 4px;
  z-index: 49;
}
.nav-mobile-menu.open {
  display: flex !important;
  animation: slideDown .2s ease;
}
@keyframes slideDown { from { opacity:0; transform:translateY(-8px) } to { opacity:1; transform:none } }

.nav-mobile-link {
  display: block;
  padding: 12px 16px;
  border-radius: 10px;
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  color: var(--text-muted);
  transition: all .15s;
  border: none;
  background: none;
  cursor: pointer;
  font-family: var(--mono);
  text-align: left;
  width: 100%;
}
.nav-mobile-link:hover  { color: var(--text); background: var(--surface2); }
.nav-mobile-link.active { color: var(--accent); background: var(--accent-glow); }

.nav-mobile-divider {
  height: 1px;
  background: var(--border);
  margin: 8px 0;
}

.nav-mobile-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* ── RESPONSIVE ── */
@media (max-width: 1200px) {
  .nav-links     { display: none; }
  .nav-hamburger { display: flex; }
}
@media (max-width: 768px) {
  .contact-grid  { grid-template-columns: 1fr; }
  .settings-grid { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .cards { grid-template-columns: 1fr 1fr; }
  .card-value { font-size: 1.5rem; }
  .auth-box { padding: 28px 20px; }
  .modal { padding: 24px 18px; }
  .shell { padding: 24px 16px 48px; }
  .nav-inner { padding: 0 16px; }
  /* Ukryj user badge w navbarze na bardzo małych ekranach — jest w menu */
  .nav-right .user-badge { display: none; }
  .nav-right .sync-indicator { display: none; }
}

/* ── FOOTER ── */
.site-footer {
  border-top: 1px solid var(--border);
  margin-top: 60px;
  padding: 24px 0;
  text-align: center;
  font-size: 0.72rem;
  color: var(--text-muted);
  line-height: 1.8;
}
.site-footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color .15s;
}
.site-footer a:hover { color: var(--accent); }
.site-footer-sep { margin: 0 10px; opacity: .4; }