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

:root {
  --bg: #08081a;
  --panel: rgba(255, 255, 255, 0.04);
  --panel-hover: rgba(255, 255, 255, 0.07);
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --text: #e8e8f0;
  --text-dim: #9a9ab0;
  --accent-1: #818cf8;
  --accent-2: #c084fc;
  --accent-3: #f472b6;
  --success: #34d399;

  --input-bg: rgba(0, 0, 0, 0.28);
  --password-bg: rgba(0, 0, 0, 0.3);
  --password-bg-hover: rgba(0, 0, 0, 0.35);
  --code-bg: rgba(0, 0, 0, 0.35);
  --range-bg: rgba(255, 255, 255, 0.1);
  --range-bg-hover: rgba(255, 255, 255, 0.14);
  --checkbox-bg: rgba(0, 0, 0, 0.2);
  --checkbox-border: rgba(255, 255, 255, 0.22);
  --placeholder: rgba(255, 255, 255, 0.25);
  --glow-1: rgba(129, 140, 248, 0.18);
  --glow-2: rgba(192, 132, 252, 0.14);
  --scrollbar: rgba(192, 132, 252, 0.25);
  --scrollbar-hover: rgba(192, 132, 252, 0.4);
  --btn-shadow: rgba(129, 140, 248, 0.28);
  --btn-shadow-hover: rgba(129, 140, 248, 0.45);
  --badge-bg: rgba(192, 132, 252, 0.15);

  --toast-bg: rgba(30, 30, 55, 0.96);
  --toast-text: #f5d0fe;
  --toast-border: rgba(192, 132, 252, 0.4);
  --toast-warn-bg: rgba(50, 20, 40, 0.96);
  --toast-warn-text: #fbcfe8;
  --toast-warn-border: rgba(244, 114, 182, 0.5);
  --toast-success-bg: rgba(15, 40, 30, 0.96);
  --toast-success-text: #a7f3d0;
  --toast-success-border: rgba(52, 211, 153, 0.5);

  --radius: 16px;
  --mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, monospace;
}

:root[data-theme="light"] {
  --bg: #f5f4fb;
  --panel: rgba(255, 255, 255, 0.78);
  --panel-hover: rgba(255, 255, 255, 0.98);
  --border: rgba(100, 100, 140, 0.18);
  --border-strong: rgba(100, 100, 140, 0.32);
  --text: #1a1a2e;
  --text-dim: #6b6b80;
  --accent-1: #6366f1;
  --accent-2: #a855f7;
  --accent-3: #ec4899;
  --success: #059669;

  --input-bg: rgba(240, 240, 250, 0.85);
  --password-bg: rgba(240, 240, 250, 0.7);
  --password-bg-hover: rgba(240, 240, 250, 0.98);
  --code-bg: rgba(240, 240, 250, 0.9);
  --range-bg: rgba(100, 100, 140, 0.15);
  --range-bg-hover: rgba(100, 100, 140, 0.22);
  --checkbox-bg: rgba(100, 100, 140, 0.08);
  --checkbox-border: rgba(100, 100, 140, 0.35);
  --placeholder: rgba(100, 100, 140, 0.45);
  --glow-1: rgba(129, 140, 248, 0.1);
  --glow-2: rgba(192, 132, 252, 0.08);
  --scrollbar: rgba(168, 85, 247, 0.3);
  --scrollbar-hover: rgba(168, 85, 247, 0.5);
  --btn-shadow: rgba(99, 102, 241, 0.3);
  --btn-shadow-hover: rgba(99, 102, 241, 0.45);
  --badge-bg: rgba(168, 85, 247, 0.14);

  --toast-bg: rgba(255, 255, 255, 0.98);
  --toast-text: #4c1d95;
  --toast-border: rgba(168, 85, 247, 0.45);
  --toast-warn-bg: rgba(255, 245, 250, 0.98);
  --toast-warn-text: #9d174d;
  --toast-warn-border: rgba(236, 72, 153, 0.5);
  --toast-success-bg: rgba(240, 255, 250, 0.98);
  --toast-success-text: #065f46;
  --toast-success-border: rgba(52, 211, 153, 0.6);
}

html.theme-transition,
html.theme-transition *,
html.theme-transition *::before,
html.theme-transition *::after {
  transition: background-color 0.3s ease, border-color 0.3s ease,
              color 0.3s ease, box-shadow 0.3s ease !important;
}

html, body { min-height: 100vh; }

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
  background: var(--bg);
  color: var(--text);
  padding: 28px 20px 40px;
  line-height: 1.5;
  position: relative;
  overflow-x: hidden;
  transition: background-color 0.3s, color 0.3s;
}

body::before, body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  filter: blur(120px);
  pointer-events: none;
  z-index: 0;
}
body::before {
  width: 500px; height: 500px;
  background: var(--glow-1);
  top: -180px; left: -120px;
}
body::after {
  width: 600px; height: 600px;
  background: var(--glow-2);
  bottom: -220px; right: -180px;
}

.app {
  max-width: 1180px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

header {
  position: relative;
  text-align: center;
  margin-bottom: 26px;
  padding: 26px 56px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s, background 0.25s;
}

header:hover { border-color: var(--border-strong); }

h1 {
  font-size: clamp(1.7rem, 3.5vw, 2.2rem);
  font-weight: 800;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2), var(--accent-3));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -1px;
  margin-bottom: 6px;
  line-height: 1.15;
}
.subtitle { color: var(--text-dim); font-size: 0.92rem; }

.theme-toggle {
  position: absolute;
  right: 18px;
  top: 18px;
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.theme-toggle:hover {
  background: var(--panel-hover);
  border-color: var(--accent-2);
  transform: scale(1.08);
  box-shadow: 0 4px 14px var(--btn-shadow);
}
.theme-toggle:active { transform: scale(0.94); }

.theme-toggle .icon-sun { display: block; }
.theme-toggle .icon-moon { display: none; }
:root[data-theme="light"] .theme-toggle .icon-sun { display: none; }
:root[data-theme="light"] .theme-toggle .icon-moon { display: block; }

.layout {
  display: grid;
  grid-template-columns: minmax(340px, 440px) 1fr;
  gap: 18px;
  align-items: start;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

.column-left,
.column-right {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

@media (min-width: 901px) {
  .column-right {
    position: sticky;
    top: 20px;
    align-self: start;
    max-height: calc(100vh - 40px);
  }
  .column-right .panel-results {
    display: flex;
    flex-direction: column;
    flex: 1;
    min-height: 0;
    margin-bottom: 0;
  }
  .column-right .results {
    overflow-y: auto;
    flex: 1;
    min-height: 0;
    padding-right: 4px;
  }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 22px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  transition: border-color 0.25s, background 0.25s;
  margin-bottom: 0;
}
.panel:hover { border-color: var(--border-strong); }

.panel h2 {
  font-size: 0.74rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.8px;
  color: var(--text-dim);
  margin-bottom: 16px;
}

.slider-group + .slider-group { margin-top: 20px; }

.slider-group label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 10px;
  font-size: 0.92rem;
  font-weight: 500;
}

.slider-value {
  font-family: var(--mono);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--accent-2);
  min-width: 3ch;
  text-align: right;
}

input[type="range"] {
  -webkit-appearance: none;
  appearance: none;
  width: 100%;
  height: 8px;
  border-radius: 4px;
  background: var(--range-bg);
  outline: none;
  cursor: pointer;
  transition: background 0.15s;
}
input[type="range"]:hover { background: var(--range-bg-hover); }
input[type="range"]::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px; height: 22px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a5b4fc, #d8b4fe);
  border: 2px solid #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3), 0 0 0 3px rgba(192, 132, 252, 0.15);
  cursor: pointer;
  transition: transform 0.15s, box-shadow 0.15s;
}
input[type="range"]::-webkit-slider-thumb:hover {
  transform: scale(1.15);
  box-shadow: 0 2px 14px rgba(0, 0, 0, 0.4), 0 0 0 5px rgba(192, 132, 252, 0.25);
}
input[type="range"]::-moz-range-thumb {
  width: 18px; height: 18px;
  border-radius: 50%;
  background: linear-gradient(135deg, #a5b4fc, #d8b4fe);
  border: 2px solid #fff;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
  cursor: pointer;
}
input[type="range"]::-moz-range-track { background: transparent; }

.checkbox-list { display: flex; flex-direction: column; gap: 2px; }

.check {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 9px 10px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s;
  user-select: none;
  font-size: 0.92rem;
  line-height: 1.4;
}
.check:hover { background: var(--panel-hover); }

.check input { position: absolute; opacity: 0; pointer-events: none; }

.check .box {
  width: 20px; height: 20px;
  border-radius: 6px;
  border: 2px solid var(--checkbox-border);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background 0.2s, border-color 0.2s;
  flex-shrink: 0;
  margin-top: 1px;
  background: var(--checkbox-bg);
}
.check input:checked + .box {
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  border-color: transparent;
}
.check .box::after {
  content: '';
  width: 5px; height: 10px;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg) scale(0);
  transition: transform 0.15s cubic-bezier(0.34, 1.56, 0.64, 1);
  margin-top: -2px;
}
.check input:checked + .box::after { transform: rotate(45deg) scale(1); }

.check .label-text {
  flex-shrink: 0;
  color: var(--text);
  display: flex;
  align-items: center;
  min-height: 20px;
}

.check .hint {
  flex: 1;
  font-family: var(--mono);
  font-size: 0.72rem;
  color: var(--text-dim);
  text-align: right;
  word-break: break-all;
  opacity: 0.75;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  min-height: 20px;
}

.accordion summary {
  cursor: pointer;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
  user-select: none;
  list-style: none;
  padding: 2px 0;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color 0.15s;
}
.accordion summary:hover { color: var(--accent-2); }
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::before {
  content: '▸';
  display: inline-block;
  transition: transform 0.2s;
  color: var(--accent-2);
  font-size: 0.9em;
  line-height: 1;
}
.accordion[open] summary::before { transform: rotate(90deg); }

.accordion + .accordion {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.accordion .badge {
  background: var(--badge-bg);
  color: var(--accent-2);
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.72rem;
  font-family: var(--mono);
  font-weight: 600;
  margin-left: auto;
}

.accordion-body { padding-top: 16px; }

.accordion .pool-chars {
  display: block;
  margin-top: 12px;
  padding: 10px 12px;
  font-size: 0.82rem;
  line-height: 1.7;
  max-height: 160px;
  overflow-y: auto;
  word-break: break-all;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.field + .field { margin-top: 16px; }
.field > span {
  font-size: 0.9rem;
  color: var(--text-dim);
}
.field > span strong { color: var(--text); }

.field input[type="text"] {
  width: 100%;
  padding: 12px 14px;
  background: var(--input-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  font-size: 0.95rem;
  font-family: var(--mono);
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}
.field input[type="text"]::placeholder { color: var(--placeholder); }
.field input[type="text"]:focus {
  outline: none;
  border-color: var(--accent-2);
  box-shadow: 0 0 0 3px rgba(192, 132, 252, 0.15);
}

.btn-primary {
  display: block;
  width: 100%;
  padding: 15px;
  border: none;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  color: #fff;
  font-size: 0.98rem;
  font-weight: 700;
  letter-spacing: 0.4px;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.25s, filter 0.2s;
  box-shadow: 0 8px 24px var(--btn-shadow);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 32px var(--btn-shadow-hover);
  filter: brightness(1.08);
}
.btn-primary:active { transform: translateY(0) scale(0.99); }

.btn-secondary {
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 600;
  transition: all 0.15s;
  white-space: nowrap;
}
.btn-secondary:hover:not(:disabled) {
  background: var(--panel-hover);
  color: var(--text);
  border-color: var(--accent-2);
}
.btn-secondary:disabled { opacity: 0.4; cursor: not-allowed; }
.btn-secondary.copied {
  color: var(--success);
  border-color: var(--success);
  background: rgba(52, 211, 153, 0.1);
}

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
  gap: 12px;
}
.results-header h2 { margin-bottom: 0; }

.results { display: flex; flex-direction: column; gap: 8px; }

.password-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  background: var(--password-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  transition: border-color 0.15s, background 0.15s;
  animation: fadeIn 0.25s ease backwards;
}
.password-item:hover {
  border-color: rgba(192, 132, 252, 0.35);
  background: var(--password-bg-hover);
}

/* Numer porządkowy hasła */
.password-index {
  font-family: var(--mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--accent-2);
  background: var(--badge-bg);
  padding: 3px 8px;
  border-radius: 6px;
  min-width: 2.4em;
  text-align: center;
  flex-shrink: 0;
  letter-spacing: 0.5px;
  user-select: none;
}

.password-text {
  flex: 1;
  font-family: var(--mono);
  font-size: 0.96rem;
  word-break: break-all;
  letter-spacing: 0.3px;
}

.copy-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: 7px;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.78rem;
  font-weight: 600;
  transition: all 0.15s;
  white-space: nowrap;
  flex-shrink: 0;
}
.copy-btn:hover {
  background: var(--panel-hover);
  color: var(--text);
  border-color: var(--accent-2);
}
.copy-btn.copied {
  color: var(--success);
  border-color: var(--success);
  background: rgba(52, 211, 153, 0.1);
}

.copied-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-family: var(--mono);
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.3px;
  color: var(--success);
  background: rgba(52, 211, 153, 0.12);
  border: 1px solid rgba(52, 211, 153, 0.4);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: nowrap;
  flex-shrink: 0;
  user-select: none;
  animation: tagIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.copied-tag::before {
  content: '✓';
  font-size: 0.95em;
  font-weight: 700;
  line-height: 1;
}

@keyframes tagIn {
  from { opacity: 0; transform: scale(0.6); }
  to   { opacity: 1; transform: scale(1); }
}

.empty-state {
  text-align: center;
  color: var(--text-dim);
  padding: 30px 20px;
  font-size: 0.92rem;
}

.results::-webkit-scrollbar,
.pool-chars::-webkit-scrollbar { width: 6px; }
.results::-webkit-scrollbar-track,
.pool-chars::-webkit-scrollbar-track { background: transparent; }
.results::-webkit-scrollbar-thumb,
.pool-chars::-webkit-scrollbar-thumb {
  background: var(--scrollbar);
  border-radius: 3px;
}
.results::-webkit-scrollbar-thumb:hover,
.pool-chars::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-hover);
}

.toast-container {
  position: fixed;
  top: 20px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 1000;
  display: flex;
  flex-direction: column;
  gap: 10px;
  pointer-events: none;
  max-width: 92vw;
}

.toast {
  padding: 14px 22px;
  border-radius: 12px;
  background: var(--toast-bg);
  border: 1px solid var(--toast-border);
  color: var(--toast-text);
  font-size: 0.92rem;
  font-weight: 500;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
  animation: toastIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  pointer-events: auto;
  text-align: center;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.toast.toast-warn {
  border-color: var(--toast-warn-border);
  color: var(--toast-warn-text);
  background: var(--toast-warn-bg);
}
.toast.toast-success {
  border-color: var(--toast-success-border);
  color: var(--toast-success-text);
  background: var(--toast-success-bg);
}
.toast.toast-out { animation: toastOut 0.3s ease forwards; }

@keyframes toastIn {
  from { opacity: 0; transform: translateY(-20px) scale(0.95); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}
@keyframes toastOut {
  to { opacity: 0; transform: translateY(-20px) scale(0.95); }
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(6px); }
  to { opacity: 1; transform: translateY(0); }
}

.copy-fallback {
  position: fixed;
  top: -1000px;
  left: -1000px;
  opacity: 0;
  pointer-events: none;
}

@media (max-width: 900px) {
  .column-right .panel-results { max-height: none; }
  .column-right .results { overflow: visible; max-height: none; }
}

@media (max-width: 540px) {
  header { padding: 22px 48px; }
  h1 { font-size: 1.4rem; }
  .subtitle { font-size: 0.85rem; }
}