/* ── Reset & base ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

/* ── Temas ─────────────────────────────────────────────────────── */
:root {
  --bg:          #0f1117;
  --bg-card:     #1a1d27;
  --bg-panel:    #13151f;
  --bg-input:    #1e2130;
  --bg-hover:    #252840;
  --border:      #2a2d42;
  --border-focus:#4a6fa5;
  --text:        #d1d4dc;
  --text-muted:  #6b7280;
  --text-label:  #9ca3af;
  --accent:      #4a6fa5;
  --accent-hover:#5a82bf;
  --danger:      #ef4444;
  --success:     #22c55e;
  --warning:     #f59e0b;
  --topbar-h:    52px;
  --radius:      6px;
  --radius-sm:   4px;
}

[data-theme="midnight"] {
  --bg:          #0d1117;
  --bg-card:     #161b22;
  --bg-panel:    #0d1117;
  --bg-input:    #1c2128;
  --bg-hover:    #21262d;
  --border:      #30363d;
  --border-focus:#58a6ff;
  --text:        #c9d1d9;
  --text-muted:  #8b949e;
  --text-label:  #8b949e;
  --accent:      #58a6ff;
  --accent-hover:#388bfd;
}

[data-theme="light"] {
  --bg:          #f0f3fa;
  --bg-card:     #ffffff;
  --bg-panel:    #f5f7fd;
  --bg-input:    #edf0f8;
  --bg-hover:    #e2e6f0;
  --border:      #c8cbd6;
  --border-focus:#1a56db;
  --text:        #131722;
  --text-muted:  #5d6170;
  --text-label:  #5d6170;
  --accent:      #1a56db;
  --accent-hover:#1344b8;
  --danger:      #c62828;
  --success:     #1a5c1a;
}

[data-theme="sepia"] {
  --bg:          #f5f0e8;
  --bg-card:     #ede7db;
  --bg-panel:    #f5f0e8;
  --bg-input:    #e8e2d8;
  --bg-hover:    #ddd7cc;
  --border:      #c8bfb0;
  --border-focus:#5c7a9e;
  --text:        #3a3228;
  --text-muted:  #7a7060;
  --text-label:  #7a7060;
  --accent:      #5c7a9e;
  --accent-hover:#4a6685;
  --danger:      #a84040;
  --success:     #3a6c3a;
}

html, body { height: 100%; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 13px;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-hover); }

/* ── Utilities ─────────────────────────────────────────────────── */
.hidden { display: none !important; }

/* ── Buttons ───────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 14px;
  border-radius: var(--radius-sm);
  border: 1px solid transparent;
  cursor: pointer;
  font-size: 13px;
  font-weight: 500;
  transition: background 0.15s, border-color 0.15s;
  white-space: nowrap;
  user-select: none;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}
.btn-primary:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; }

.btn-ghost {
  background: transparent;
  color: var(--text-label);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--bg-hover); color: var(--text); }

.btn-full { width: 100%; justify-content: center; }
.btn-sm   { padding: 5px 10px; font-size: 12px; }
.btn-xs   { padding: 3px 7px;  font-size: 11px; }

/* ── Alerts ────────────────────────────────────────────────────── */
.alert {
  padding: 8px 12px;
  border-radius: var(--radius-sm);
  font-size: 12px;
  border: 1px solid transparent;
}
.alert-error   { background: #b91c1c; border-color: #7f1d1d; color: #fff; }
.alert-success { background: #15803d; border-color: #14532d; color: #fff; }
.alert-info    { background: #1d4ed8; border-color: #1e3a8a; color: #fff; }

/* ── Logo ──────────────────────────────────────────────────────── */
.logo-wave { font-size: 18px; color: var(--accent); font-weight: 700; margin-right: 4px; }
.logo-text { font-size: 15px; font-weight: 600; color: var(--text); letter-spacing: 0.3px; }

.logo-img {
  height: 40px;
  aspect-ratio: 700 / 192;
  display: block;
  flex-shrink: 0;
  background-color: var(--text);
  -webkit-mask: url('../img/logo-light.svg') no-repeat center / contain;
  mask: url('../img/logo-light.svg') no-repeat center / contain;
}

.logo-img-icon {
  height: 22px;
  aspect-ratio: 1;
  -webkit-mask: url('../img/logo-icon.svg') no-repeat center / contain;
  mask: url('../img/logo-icon.svg') no-repeat center / contain;
}

.auth-logo .logo-img { height: 56px; }

/* ── Top navigation bar ────────────────────────────────────────── */
.topbar {
  height: var(--topbar-h);
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  padding: 0 16px;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
}

.topbar-left  { display: flex; align-items: center; gap: 8px; flex: 1; }
.topbar-center { display: flex; align-items: center; gap: 10px; }
.topbar-right { display: flex; align-items: center; gap: 8px; flex: 1; justify-content: flex-end; }
.topbar-label { color: var(--text-muted); font-size: 12px; }

/* ── Layout selector ───────────────────────────────────────────── */
.layout-selector { display: flex; gap: 3px; }

.layout-btn {
  padding: 4px 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
}
.layout-btn:hover    { background: var(--bg-hover); color: var(--text); }
.layout-btn.active   { background: var(--accent); border-color: var(--accent); color: #fff; }

.sync-market-btn {
  width:      28px;
  height:     28px;
  padding:    0;
  background: var(--bg-input);
  border:     1px solid var(--border);
  border-radius: var(--radius-sm);
  color:      var(--text-muted);
  cursor:     pointer;
  display:    flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s;
  opacity:    0.7;
}
.sync-market-btn:hover { border-color: var(--accent); color: var(--text); opacity: 1; }
.sync-market-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; opacity: 1; }

.user-name { color: var(--text-muted); font-size: 12px; max-width: 160px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ── Panel grid ────────────────────────────────────────────────── */
.dashboard-page { display: flex; flex-direction: column; height: 100vh; overflow: hidden; }

.panel-grid {
  flex: 1;
  display: grid;
  gap: 2px;
  background: var(--bg);
  overflow: hidden;
}

.panel-grid.grid-1  { grid-template-columns: 1fr; grid-template-rows: 1fr; }
.panel-grid.grid-4  { grid-template-columns: 1fr 1fr; grid-template-rows: 1fr 1fr; }
.panel-grid.grid-6  { grid-template-columns: repeat(3, 1fr); grid-template-rows: 1fr 1fr; }
.panel-grid.grid-8  { grid-template-columns: repeat(4, 1fr); grid-template-rows: 1fr 1fr; }
.panel-grid.grid-12 { grid-template-columns: repeat(4, 1fr); grid-template-rows: repeat(3, 1fr); }

/* ── Single panel ──────────────────────────────────────────────── */
.panel {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.panel-toolbar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 4px 8px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.panel-market {
  background: var(--bg-input);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 3px 6px;
  font-size: 12px;
  min-width: 80px;
  cursor: pointer;
}
.panel-market:focus { outline: none; border-color: var(--border-focus); }

.panel-tfs { display: flex; gap: 2px; flex-wrap: wrap; flex: 1; }

.panel-refresh {
  margin-left: auto;
  width:      22px;
  height:     22px;
  padding:    0;
  background: transparent;
  border:     1px solid transparent;
  border-radius: var(--radius-sm);
  color:      var(--text-muted);
  font-size:  14px;
  line-height: 1;
  cursor:     pointer;
  flex-shrink: 0;
  transition: all 0.12s;
}
.panel-refresh:hover { border-color: var(--border); color: var(--text); }

.panel-chart-types { display: flex; gap: 2px; margin-left: 2px; }

.tf-btn {
  padding: 2px 7px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.12s;
}
.tf-btn:hover  { background: var(--bg-hover); color: var(--text); }
.tf-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.ctype-btn {
  padding: 2px 6px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.12s;
}
.ctype-btn:hover  { background: var(--bg-hover); color: var(--text); }
.ctype-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

.panel-chart-wrap {
  flex: 1;
  position: relative;
  min-height: 0;
}

.panel-chart { width: 100%; height: 100%; }

.panel-status {
  position: absolute;
  bottom: 6px;
  left: 8px;
  font-size: 10px;
  color: var(--text-muted);
  pointer-events: none;
}

.panel-logscale {
  position:   absolute;
  bottom:     6px;
  right:      8px;
  width:      22px;
  height:     22px;
  padding:    0;
  background: var(--bg-input);
  border:     1px solid var(--border);
  border-radius: var(--radius-sm);
  color:      var(--text-muted);
  font-size:  11px;
  font-weight: 700;
  cursor:     pointer;
  z-index:    10;
  opacity:    0.7;
  transition: all 0.12s;
  line-height: 1;
}
.panel-logscale:hover {
  border-color: var(--accent);
  color:        var(--text);
  opacity:      1;
}
.panel-logscale.active {
  background:   var(--accent);
  border-color: var(--accent);
  color:        #fff;
  opacity:      1;
}

.panel-autofit {
  position:   absolute;
  bottom:     6px;
  right:      34px;
  width:      22px;
  height:     22px;
  padding:    0;
  background: var(--bg-input);
  border:     1px solid var(--border);
  border-radius: var(--radius-sm);
  color:      var(--text-muted);
  font-size:  11px;
  font-weight: 700;
  cursor:     pointer;
  z-index:    10;
  opacity:    0.7;
  transition: all 0.12s;
  line-height: 1;
}
.panel-autofit:hover {
  border-color: var(--accent);
  color:        var(--text);
  opacity:      1;
}

/* ── Auth page ─────────────────────────────────────────────────── */
.auth-page {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
}

.auth-card {
  width: 100%;
  max-width: 380px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 36px 32px;
}

.auth-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
}
.auth-logo .logo-wave { font-size: 24px; }
.auth-logo .logo-text { font-size: 20px; }

.auth-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 20px;
  text-align: center;
}

.lang-picker {
  margin-top: 20px;
  text-align: center;
}
.lang-picker select {
  background: transparent;
  border: none;
  color: var(--text-dim);
  font-size: 12px;
  cursor: pointer;
  outline: none;
  padding: 0 4px;
}
.lang-picker select:hover { color: var(--text); }

/* ── Form fields ───────────────────────────────────────────────── */
.field-group {
  margin-bottom: 16px;
}
.field-group label {
  display: block;
  font-size: 12px;
  color: var(--text-label);
  margin-bottom: 5px;
  font-weight: 500;
}
.field-group input, .field-group select {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  padding: 8px 10px;
  font-size: 13px;
  transition: border-color 0.15s;
}
.field-group input:focus, .field-group select:focus {
  outline: none;
  border-color: var(--border-focus);
}
.field-group input::placeholder { color: var(--text-muted); }
.input-readonly { opacity: 0.6; cursor: default; }

#login-form .btn { margin-top: 4px; }
#login-form .alert { margin-bottom: 12px; }

.auth-footer {
  text-align: center;
  margin-top: 14px;
}

.auth-link {
  font-size: 12px;
  color: var(--accent, #3b82f6);
  text-decoration: none;
}

.auth-link:hover { text-decoration: underline; }

.auth-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 16px;
  line-height: 1.5;
}

#reset-request-view .btn,
#new-password-view  .btn  { margin-top: 4px; }
#reset-request-view .alert,
#new-password-view  .alert { margin-bottom: 12px; }

/* ── Profile page ──────────────────────────────────────────────── */
.profile-page { display: flex; flex-direction: column; min-height: 100vh; }

.profile-main {
  max-width: 600px;
  margin: 32px auto;
  padding: 0 16px;
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.profile-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.section-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
}

.profile-card .alert { margin-bottom: 14px; }
.profile-card .btn { margin-top: 6px; }

.pkg-markets-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}
.pkg-market-tag {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 2px 8px;
  font-size: 12px;
  color: var(--text-muted);
}

/* ── NT8 key section ───────────────────────────────────────────── */
.nt8-machine-row {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 8px 12px;
  flex-wrap: wrap;
}
.nt8-machine-id {
  font-family: monospace;
  font-size: 11px;
  color: var(--text-muted);
  flex: 1;
  min-width: 180px;
  word-break: break-all;
}
.nt8-machine-meta {
  font-size: 12px;
  color: var(--text-muted);
  flex: 2;
}
.btn-danger {
  background: #7f1d1d;
  color: #fca5a5;
  border-color: #7f1d1d;
}
.btn-danger:hover { background: #991b1b; }

/* ── Modal overlay ─────────────────────────────────────────────── */
.modal-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.55);
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  width: 440px;
  max-height: 84vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 13px 18px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.modal-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}

.modal-body {
  overflow-y: auto;
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 22px;
}

/* ── Settings sections ─────────────────────────────────────────── */
.settings-section-title {
  font-size: 10px;
  font-weight: 700;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.7px;
  margin-bottom: 10px;
}

/* Theme buttons */
.sett-theme-btns { display: flex; gap: 6px; }

.sett-theme-btn {
  flex: 1;
  padding: 5px 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 12px;
  cursor: pointer;
  transition: all 0.12s;
}
.sett-theme-btn:hover  { background: var(--bg-hover); color: var(--text); }
.sett-theme-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Generic row */
.sett-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.sett-label {
  font-size: 12px;
  color: var(--text-label);
  min-width: 68px;
}

/* Color picker */
.sett-color {
  width: 32px;
  height: 26px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  cursor: pointer;
  background: none;
  padding: 2px;
}

/* Pattern grid */
.sett-patterns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px 24px;
}

.sett-pattern-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* Label size buttons */
.sett-size-btns { display: flex; gap: 4px; }

.sett-size-btn {
  flex: 1;
  padding: 4px 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.12s;
}
.sett-size-btn:hover  { background: var(--bg-hover); color: var(--text); }
.sett-size-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* Chart type buttons */
.sett-ctype-btns { display: flex; gap: 4px; }

.sett-ctype-btn {
  flex: 1;
  padding: 4px 0;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-muted);
  font-size: 11px;
  cursor: pointer;
  transition: all 0.12s;
}
.sett-ctype-btn:hover  { background: var(--bg-hover); color: var(--text); }
.sett-ctype-btn.active { background: var(--accent); border-color: var(--accent); color: #fff; }

/* ── 2-panel portrait layout (mobile-only grid class) ────────── */
.panel-grid.grid-2 { grid-template-columns: 1fr; grid-template-rows: 1fr 1fr; }

/* "2" layout button is hidden on desktop; shown only on portrait phones */
.layout-btn[data-layout="2"] { display: none; }

/* ══════════════════════════════════════════════════════════════
   RESPONSIVE — mobile
   ══════════════════════════════════════════════════════════════ */

/* ── Common tweaks for portrait phones (≤ 640 px wide)
      AND landscape phones (≤ 500 px tall) ─────────────────────── */
@media (max-width: 640px), (max-height: 500px) and (orientation: landscape) {
  .topbar { padding: 0 10px; gap: 6px; }
  .topbar-label { display: none; }
  .user-name    { display: none; }
  .logo-img:not(.logo-img-icon) { height: 24px; }
  .sync-market-btn { display: none; }
  /* TF buttons scroll horizontally instead of wrapping */
  .panel-tfs { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; -ms-overflow-style: none; }
  .panel-tfs::-webkit-scrollbar { display: none; }
  /* Settings modal */
  .modal { width: calc(100vw - 24px); max-height: 88vh; }
  .sett-patterns { grid-template-columns: 1fr; }
  .sett-theme-btns { flex-wrap: wrap; }
}

/* ── Portrait phone: auth + profile page tweaks ──────────────── */
@media (max-width: 640px) {
  .auth-card { padding: 28px 18px; }
  .profile-main { margin: 16px auto; padding: 0 12px; gap: 16px; }
  .profile-card { padding: 16px; }
  #nt8-register-form { flex-direction: column; align-items: stretch; }
  #nt8-register-form .field-group { min-width: 0; }
}

/* ── Portrait phone dashboard: 1 or 2 panels stacked vertically ─ */
@media (max-width: 640px) and (orientation: portrait) {
  .dashboard-page { height: 100dvh; }
  /* Show only "1" and "2" layout buttons */
  .layout-btn[data-layout="2"]  { display: inline-flex; }
  .layout-btn[data-layout="4"],
  .layout-btn[data-layout="6"],
  .layout-btn[data-layout="8"],
  .layout-btn[data-layout="12"] { display: none; }
  /* Force larger grid selections to 1-column 2-row, hide extras */
  .panel-grid.grid-4,
  .panel-grid.grid-6,
  .panel-grid.grid-8,
  .panel-grid.grid-12 { grid-template-columns: 1fr !important; grid-template-rows: 1fr 1fr !important; }
  .panel:nth-child(n+3) { display: none; }
}

/* ── Landscape phone dashboard: 1 or 4 panels (2×2) ─────────── */
@media (max-height: 500px) and (orientation: landscape) {
  .dashboard-page { height: 100dvh; }
  .topbar { height: 40px; }
  /* Show only "1" and "4"; hide "2", "6", "8", "12" */
  .layout-btn[data-layout="6"],
  .layout-btn[data-layout="8"],
  .layout-btn[data-layout="12"] { display: none; }
  /* grid-2 in landscape: side-by-side instead of stacked */
  .panel-grid.grid-2 { grid-template-columns: 1fr 1fr !important; grid-template-rows: 1fr !important; }
  /* Force 6+ layouts to 2×2, hide extras */
  .panel-grid.grid-6,
  .panel-grid.grid-8,
  .panel-grid.grid-12 { grid-template-columns: 1fr 1fr !important; grid-template-rows: 1fr 1fr !important; }
  .panel:nth-child(n+5) { display: none; }
}