:root {
  --bg: #09090b;
  --bg-subtle: #0f0f13;
  --panel: #131317;
  --panel2: #18181f;
  --panel-hover: #1e1e26;
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --txt: #f4f4f5;
  --txt-dim: #d4d4d8;
  --mut: #8e8e99;
  --mut-dark: #585863;
  --red: #f71027;
  --red-hover: #ff2b40;
  --red-glow: rgba(247, 16, 39, 0.28);
  --red-subtle: rgba(247, 16, 39, 0.12);
  --ok: #10b981;
  --ok-bg: rgba(16, 185, 129, 0.14);
  --warn: #f59e0b;
  --warn-bg: rgba(245, 158, 11, 0.14);
  --blue: #38bdf8;
  --blue-bg: rgba(56, 189, 248, 0.14);
  --purple: #a855f7;
  --purple-bg: rgba(168, 85, 247, 0.14);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-xl: 18px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px -4px rgba(0,0,0,0.45);
  --shadow-lg: 0 16px 40px -8px rgba(0,0,0,0.6);
  --shadow-red: 0 0 24px -4px rgba(247, 16, 39, 0.35);
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  background: var(--bg);
  color: var(--txt);
  font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  font-size: 14.5px;
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

a {
  color: var(--red);
  text-decoration: none;
  transition: color 0.15s ease;
}
a:hover {
  color: var(--red-hover);
  text-decoration: underline;
}

/* ------------------------------------------------------------- HEADER -- */
header {
  background: rgba(10, 10, 12, 0.88);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--line);
  position: sticky;
  top: 0;
  z-index: 50;
  padding: 0;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: 12px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-logo {
  font-size: 16px;
  font-weight: 900;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 2px;
}

.brand-logo span {
  color: var(--red);
  text-shadow: 0 0 12px var(--red-glow);
}

.brand-badge {
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.8px;
  text-transform: uppercase;
  background: var(--panel2);
  color: var(--mut);
  border: 1px solid var(--line);
  padding: 2px 7px;
  border-radius: 6px;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11.5px;
  color: var(--ok);
  background: var(--ok-bg);
  padding: 4px 10px;
  border-radius: 20px;
  border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-dot {
  width: 7px;
  height: 7px;
  background: var(--ok);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--ok);
  animation: pulse-dot 2s infinite ease-in-out;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(0.85); }
}

.btn-header-sync, .btn-header-logout {
  background: var(--panel2);
  color: var(--txt-dim);
  border: 1px solid var(--line);
  padding: 6px 12px;
  border-radius: var(--radius-md);
  font-size: 12.5px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
}

.btn-header-sync:hover {
  background: var(--panel-hover);
  color: #fff;
  border-color: var(--line-strong);
}

.btn-header-logout:hover {
  background: rgba(247, 16, 39, 0.15);
  color: #ff5e6e;
  border-color: rgba(247, 16, 39, 0.3);
}

/* --------------------------------------------------------- NAVIGATION -- */
.nav-wrap {
  width: 100%;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
  background: rgba(14, 14, 18, 0.6);
}

nav {
  max-width: 1400px;
  margin: 0 auto;
  padding: 6px 20px;
  display: flex;
  gap: 6px;
  overflow-x: auto;
  white-space: nowrap;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
nav::-webkit-scrollbar {
  display: none;
}

nav button {
  background: none;
  border: 1px solid transparent;
  color: var(--mut);
  padding: 8px 14px;
  border-radius: var(--radius-md);
  cursor: pointer;
  font: inherit;
  font-size: 13.5px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: all 0.15s ease;
  flex-shrink: 0;
}

nav button:hover {
  color: var(--txt);
  background: var(--panel2);
}

nav button.on {
  background: var(--red);
  color: #fff;
  box-shadow: 0 2px 12px var(--red-glow);
  border-color: transparent;
}

/* --------------------------------------------------------------- MAIN -- */
main {
  max-width: 1400px;
  margin: 0 auto;
  padding: 24px 20px 60px;
}

/* -------------------------------------------------------------- CARDS -- */
.karty {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 14px;
  margin-bottom: 24px;
}

.karta {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 18px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  position: relative;
  overflow: hidden;
}

.karta::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: transparent;
  transition: background 0.2s ease;
}

.karta:hover {
  transform: translateY(-2px);
  border-color: rgba(255, 255, 255, 0.16);
  box-shadow: var(--shadow-md);
}

.karta:hover::before {
  background: linear-gradient(90deg, var(--red) 0%, transparent 100%);
}

.karta .l {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.9px;
  color: var(--mut);
  font-weight: 700;
  margin-bottom: 8px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.karta .v {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.1;
  color: #fff;
  letter-spacing: -0.5px;
}

.karta .p {
  font-size: 12px;
  color: var(--mut);
  margin-top: 6px;
  font-weight: 500;
}

/* ------------------------------------------------------------- PANELS -- */
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 22px;
  box-shadow: var(--shadow-sm);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 18px;
  flex-wrap: wrap;
  gap: 12px;
}

.panel h2 {
  font-size: 14.5px;
  text-transform: uppercase;
  letter-spacing: 1.2px;
  color: var(--txt-dim);
  font-weight: 800;
  display: flex;
  align-items: center;
  gap: 8px;
}

.panel-subtitle {
  font-size: 13px;
  color: var(--mut);
  margin-top: -10px;
  margin-bottom: 16px;
  line-height: 1.5;
}

/* -------------------------------------------------- TABLE RESPONSIVE -- */
.table-wrap {
  width: 100%;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  background: var(--panel2);
}

.table-wrap::-webkit-scrollbar {
  height: 6px;
}
.table-wrap::-webkit-scrollbar-thumb {
  background: var(--line-strong);
  border-radius: 3px;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13.5px;
  text-align: left;
}

th, td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
  vertical-align: middle;
}

th {
  background: #141418;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--mut);
  font-weight: 700;
  position: sticky;
  top: 0;
  z-index: 2;
  white-space: nowrap;
}

tbody tr {
  transition: background 0.15s ease;
}

tbody tr:hover {
  background: rgba(255, 255, 255, 0.035);
}

tbody tr:last-child td {
  border-bottom: none;
}

/* User column formatting */
.user-cell {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.user-email {
  font-weight: 700;
  color: #fff;
  font-size: 13.5px;
}

.user-meta {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--mut);
  flex-wrap: wrap;
}

/* ------------------------------------------------------------- BADGES -- */
.tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 700;
  background: var(--panel-hover);
  color: #bbb;
  white-space: nowrap;
  letter-spacing: 0.3px;
}

.tag.hot { background: var(--ok-bg); color: #4ade80; border: 1px solid rgba(74, 222, 128, 0.2); }
.tag.warm { background: var(--warn-bg); color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.2); }
.tag.cold { background: var(--blue-bg); color: #60a5fa; border: 1px solid rgba(96, 165, 250, 0.2); }
.tag.dead { background: rgba(247, 16, 39, 0.14); color: #f87171; border: 1px solid rgba(248, 113, 113, 0.2); }

.tag.active {
  background: var(--ok-bg);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.25);
}
.tag.active::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: #4ade80;
}

.tag.unsub, .tag.bounced, .tag.complained {
  background: rgba(247, 16, 39, 0.14);
  color: #f87171;
  border: 1px solid rgba(248, 113, 113, 0.2);
}

.tag.source-race {
  background: var(--purple-bg);
  color: #c084fc;
  border: 1px solid rgba(192, 132, 252, 0.25);
}
.tag.source-popup {
  background: var(--warn-bg);
  color: #fcd34d;
  border: 1px solid rgba(252, 211, 77, 0.25);
}
.tag.source-shoptet {
  background: var(--blue-bg);
  color: #7dd3fc;
  border: 1px solid rgba(125, 211, 252, 0.25);
}

/* ------------------------------------------------------------ BUTTONS -- */
button.b, input[type=submit] {
  background: linear-gradient(135deg, var(--red) 0%, #db0b20 100%);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.15);
  padding: 10px 18px;
  border-radius: var(--radius-md);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  font-size: 13.5px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition: all 0.15s ease;
  box-shadow: 0 2px 10px var(--red-glow);
  white-space: nowrap;
}

button.b:hover {
  background: linear-gradient(135deg, var(--red-hover) 0%, #eb1228 100%);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px var(--red-glow);
}

button.b:active {
  transform: translateY(0);
}

button.b.alt {
  background: var(--panel2);
  color: var(--txt-dim);
  border: 1px solid var(--line);
  box-shadow: none;
}

button.b.alt:hover {
  background: var(--panel-hover);
  color: #fff;
  border-color: var(--line-strong);
}

button.b.danger {
  background: rgba(247, 16, 39, 0.15);
  color: #ff6b7b;
  border: 1px solid rgba(247, 16, 39, 0.3);
  box-shadow: none;
}
button.b.danger:hover {
  background: var(--red);
  color: #fff;
  border-color: transparent;
}

button.b.success {
  background: var(--ok-bg);
  color: #4ade80;
  border: 1px solid rgba(74, 222, 128, 0.3);
  box-shadow: none;
}
button.b.success:hover {
  background: #10b981;
  color: #fff;
  border-color: transparent;
}

button.b:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
  box-shadow: none !important;
}

/* ------------------------------------------------------------- FORMS -- */
input, select, textarea {
  background: #101014;
  border: 1px solid var(--line);
  color: var(--txt);
  padding: 10px 13px;
  border-radius: var(--radius-md);
  font: inherit;
  font-size: 14px;
  width: 100%;
  transition: all 0.15s ease;
}

input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--red);
  box-shadow: 0 0 0 3px var(--red-subtle);
  background: #14141a;
}

input[type=checkbox] {
  width: 17px;
  height: 17px;
  accent-color: var(--red);
  cursor: pointer;
}

.radek {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  align-items: flex-end;
  margin-bottom: 16px;
}

.pole {
  flex: 1;
  min-width: 180px;
}

.pole label {
  display: block;
  font-size: 11.5px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--mut);
  font-weight: 700;
  margin-bottom: 6px;
}

/* -------------------------------------------------------- BULK ACTIONS -- */
.bulk-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: #16161d;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}

.bulk-info {
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 8px;
}

.bulk-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ------------------------------------------------------------- CHARTS -- */
.graf-wrap {
  background: #101014;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 20px 16px 12px;
  margin-top: 10px;
}

.graf {
  display: flex;
  align-items: flex-end;
  gap: 10px;
  height: 130px;
}

.graf div {
  flex: 1;
  background: linear-gradient(180deg, var(--red) 0%, #aa0919 100%);
  border-radius: 6px 6px 0 0;
  position: relative;
  min-height: 4px;
  transition: all 0.2s ease;
  box-shadow: 0 0 10px rgba(247, 16, 39, 0.2);
}

.graf div:hover {
  opacity: 1;
  background: linear-gradient(180deg, #ff2b40 0%, var(--red) 100%);
  transform: scaleY(1.03);
  transform-origin: bottom;
}

.graf div span {
  position: absolute;
  bottom: -22px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 10.5px;
  color: var(--mut);
  font-weight: 600;
}

.graf div b {
  position: absolute;
  top: -20px;
  left: 0;
  right: 0;
  text-align: center;
  font-size: 11px;
  color: #fff;
  font-weight: 700;
}

/* ----------------------------------------------------------- DROPZONE -- */
.dropzone {
  border: 2px dashed rgba(255, 255, 255, 0.14);
  border-radius: var(--radius-lg);
  padding: 30px 20px;
  text-align: center;
  background: var(--panel2);
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 16px;
}

.dropzone:hover, .dropzone.dragover {
  border-color: var(--red);
  background: rgba(247, 16, 39, 0.05);
  box-shadow: 0 0 20px var(--red-subtle);
}

.dropzone-icon {
  font-size: 32px;
  margin-bottom: 8px;
  display: inline-block;
  transition: transform 0.2s ease;
}

.dropzone:hover .dropzone-icon {
  transform: translateY(-3px) scale(1.08);
}

.file-info {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid var(--line);
  padding: 6px 14px;
  border-radius: 20px;
  font-size: 13px;
  color: #fff;
  margin-top: 12px;
}

/* ---------------------------------------------------- BANNER PREVIEW -- */
.banner-preview-card {
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #09090b;
  margin-top: 16px;
  box-shadow: var(--shadow-sm);
}

.banner-preview-header {
  padding: 8px 14px;
  background: #141418;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--mut);
  font-weight: 700;
  border-bottom: 1px solid var(--line);
}

.banner-preview-bar {
  padding: 12px 18px;
  font-size: 13.5px;
  font-weight: 700;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  transition: all 0.2s ease;
}

.banner-preview-bar.info {
  background: linear-gradient(90deg, #F71027 0%, #c40a1d 100%);
  color: #ffffff;
}

.banner-preview-bar.promo {
  background: #18181b;
  color: #f4f4f5;
  border-top: 1px solid rgba(255,255,255,0.1);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.banner-preview-bar.warning {
  background: #f59e0b;
  color: #111111;
}

.banner-preview-link {
  color: inherit;
  text-decoration: underline;
  margin-left: 6px;
  font-weight: 800;
}

/* ------------------------------------------------------ LOGIN SCREEN -- */
.prihl-container {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 80vh;
  padding: 20px;
}

.prihl {
  max-width: 420px;
  width: 100%;
  background: rgba(18, 18, 22, 0.95);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 36px 30px;
  text-align: center;
  box-shadow: var(--shadow-lg), var(--shadow-red);
  position: relative;
}

.prihl-logo {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #fff;
  margin-bottom: 4px;
}
.prihl-logo span { color: var(--red); }

.prihl h2 {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--txt-dim);
}

.prihl p {
  color: var(--mut);
  font-size: 13px;
  margin-bottom: 24px;
  line-height: 1.5;
}

.prihl input {
  font-size: 16px;
  padding: 12px 14px;
  text-align: center;
  letter-spacing: 1px;
}

.prihl button {
  width: 100%;
  padding: 12px;
  font-size: 14.5px;
  margin-top: 14px;
}

.prihl-hint {
  font-size: 11.5px;
  color: var(--mut-dark);
  margin-top: 18px;
  line-height: 1.4;
}

/* ----------------------------------------------------------- TOAST -- */
#zprava {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 255, 255, 0.95);
  color: #111;
  padding: 12px 24px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 13.5px;
  z-index: 100;
  box-shadow: 0 12px 36px rgba(0,0,0,0.6);
  display: none;
  animation: slide-up 0.25s cubic-bezier(0.16, 1, 0.3, 1);
  white-space: nowrap;
  max-width: 90vw;
  text-overflow: ellipsis;
  overflow: hidden;
}

@keyframes slide-up {
  from { opacity: 0; transform: translate(-50%, 15px); }
  to { opacity: 1; transform: translate(-50%, 0); }
}

/* ------------------------------------------------------ STOCK BADGES -- */
.stock-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 14px;
  font-size: 12px;
  font-weight: 700;
}
.stock-ok { background: var(--ok-bg); color: #4ade80; border: 1px solid rgba(74, 222, 128, 0.25); }
.stock-low { background: var(--warn-bg); color: #fbbf24; border: 1px solid rgba(251, 191, 36, 0.25); }
.stock-empty { background: rgba(247, 16, 39, 0.14); color: #f87171; border: 1px solid rgba(248, 113, 113, 0.25); }

/* ------------------------------------------------------- CONTENT GRID -- */
.mriz {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 14px;
}

.obsah {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  transition: all 0.15s ease;
}

.obsah:hover {
  border-color: var(--line-strong);
  background: var(--panel-hover);
}

.obsah .ti {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--red);
  font-weight: 800;
  margin-bottom: 8px;
}

.obsah h4 {
  font-size: 15px;
  line-height: 1.35;
  margin-bottom: 8px;
  font-weight: 700;
  color: #fff;
}

.obsah p {
  font-size: 13px;
  color: var(--mut);
  line-height: 1.5;
  margin-bottom: 16px;
  flex-grow: 1;
}

.obsah .akce {
  display: flex;
  gap: 8px;
  margin-top: auto;
}

.obsah .akce button {
  flex: 1;
  padding: 8px;
  font-size: 12.5px;
}

.hide { display: none !important; }
.hl { color: var(--ok); }
.vr { color: var(--warn); }
.ch { color: #f87171; }
.pozn { font-size: 12.5px; color: var(--mut); line-height: 1.6; margin-top: 10px; }

/* ------------------------------------------------ MOBILE OPTIMIZATIONS -- */
@media (max-width: 768px) {
  .header-inner {
    padding: 10px 14px;
  }
  
  .brand-logo {
    font-size: 15px;
  }
  
  .brand-badge {
    display: none;
  }
  
  .header-actions {
    gap: 6px;
  }
  
  .status-indicator {
    padding: 3px 8px;
    font-size: 11px;
  }

  nav {
    padding: 6px 12px;
    gap: 4px;
  }

  nav button {
    padding: 7px 11px;
    font-size: 13px;
  }

  main {
    padding: 14px 12px 60px;
  }

  .karty {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }

  .karta {
    padding: 14px;
  }

  .karta .v {
    font-size: 24px;
  }

  .panel {
    padding: 16px 14px;
    border-radius: var(--radius-md);
  }

  th, td {
    padding: 9px 10px;
    font-size: 12.5px;
  }

  .radek {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .pole {
    min-width: 100%;
  }

  /* Prevent auto zoom on iOS */
  input, select, textarea {
    font-size: 16px;
  }

  .bulk-bar {
    flex-direction: column;
    align-items: stretch;
    gap: 10px;
  }

  .bulk-actions {
    justify-content: stretch;
  }
  .bulk-actions button {
    flex: 1;
  }
}