:root {
  --bg: #111715;
  --card: #1d2724;
  --card2: #26312e;
  --card3: #303d39;
  --text: #eef6f2;
  --muted: #a9b8b2;
  --muted2: #7f918a;
  --green: #8fd894;
  --green2: #58d68d;
  --greenSoft: rgba(143, 216, 148, 0.16);
  --border: rgba(255, 255, 255, 0.1);
  --danger: #ff8585;
  --dangerSoft: rgba(255, 120, 120, 0.075);
  --dangerBorder: rgba(255, 120, 120, 0.24);
  --dangerText: #f2b6b6;
  --shadow: 0 28px 80px rgba(0, 0, 0, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 10% 0%, rgba(88, 214, 141, 0.12), transparent 32%),
    radial-gradient(circle at 90% 20%, rgba(143, 216, 148, 0.08), transparent 30%),
    linear-gradient(135deg, rgba(255, 255, 255, 0.025) 25%, transparent 25%) 0 0 / 22px 22px,
    linear-gradient(225deg, rgba(255, 255, 255, 0.018) 25%, transparent 25%) 0 0 / 22px 22px,
    var(--bg);
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  border: 0;
  cursor: pointer;
}

.page {
  width: min(1240px, calc(100% - 32px));
  margin: 0 auto;
  padding: 26px 0 44px;
}

/* HEADER */
.hero {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 28px;
  margin-bottom: 22px;
}

.eyebrow {
  color: var(--green);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-size: 13px;
  font-weight: 900;
  margin-bottom: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 4vw, 48px);
  line-height: 1.08;
  letter-spacing: -0.04em;
  max-width: 900px;
}

.author {
  color: var(--muted);
  margin-top: 14px;
  font-size: 17px;
}

.author strong {
  color: var(--text);
}

/* 4 бутона: EN + PDF отгоре, PNG бутоните отдолу */
.hero-actions {
  display: grid;
  grid-template-columns: repeat(2, 220px);
  gap: 10px;
  align-items: center;
  justify-content: end;
}

.hero-actions #languageBtn {
  grid-column: 1;
  grid-row: 1;
}

.hero-actions #printBtn {
  grid-column: 2;
  grid-row: 1;
}

.hero-actions #pngBtn {
  grid-column: 1;
  grid-row: 2;
}

.hero-actions #pngPagesBtn {
  grid-column: 2;
  grid-row: 2;
}

.btn,
.tab-btn,
.mini-btn {
  color: var(--text);
  background: rgba(255, 255, 255, 0.065);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 10px 15px;
  font-weight: 850;
  transition: 0.16s ease;
  white-space: nowrap;
}

.toggle-room,
.toggle-client-room {
  color: rgba(255, 255, 255, 0.065);
  background: var(--gray);
  border-color: transparent;
  font-size: 20px;
  line-height: 1;
}

.hero-actions .btn {
  width: 100%;
  height: 50px;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}

.btn:hover,
.tab-btn:hover,
.mini-btn:hover {
  transform: translateY(-1px);
  filter: brightness(1.06);
}

.btn.primary,
.tab-btn.active {
  background: var(--green);
  color: #0e1612;
  border-color: transparent;
}

.btn.secondary {
  background: rgba(255, 255, 255, 0.075);
}

.mini-btn {
  border-radius: 12px;
  padding: 6px 8px;
  min-width: 36px;
  min-height: 36px;
  color: var(--muted);
}

.mini-btn.danger {
  color: var(--danger);
  background: rgba(255, 133, 133, 0.08);
  border-color: rgba(255, 133, 133, 0.25);
}

/* MAIN SHELL */
.shell {
  background: rgba(29, 39, 36, 0.88);
  border: 1px solid var(--border);
  border-radius: 28px;
  box-shadow: var(--shadow);
  overflow: hidden;
  backdrop-filter: blur(12px);
}

.toolbar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.026);
}

.toolbar-right {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}

.danger-btn {
  background: rgba(255, 120, 120, 0.12);
  color: #ffb3b3;
  border-color: rgba(255, 120, 120, 0.32);
}

.danger-btn:hover {
  background: rgba(255, 120, 120, 0.2);
  color: #ffd1d1;
}

.tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  background: rgba(0, 0, 0, 0.16);
  padding: 6px;
  border-radius: 999px;
}

.content {
  padding: 24px;
}

.view {
  display: none;
}

.view.active {
  display: block;
}

.panel {
  background: rgba(17, 23, 21, 0.56);
  border: 1px solid var(--border);
  border-radius: 24px;
  padding: 26px;
  margin-bottom: 24px;
}

.panel-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 20px;
}

.panel h2,
.room-card h3 {
  margin: 0;
  letter-spacing: -0.02em;
}

.panel h2 {
  font-size: 27px;
}

.help {
  color: var(--muted);
  line-height: 1.45;
  margin: 7px 0 0;
  font-size: 14px;
}

/* GRID */
.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 20px;
}

.span-2 { grid-column: span 2; }
.span-3 { grid-column: span 3; }
.span-4 { grid-column: span 4; }
.span-5 { grid-column: span 5; }
.span-6 { grid-column: span 6; }
.span-7 { grid-column: span 7; }
.span-8 { grid-column: span 8; }
.span-12 { grid-column: span 12; }

.field {
  display: flex;
  flex-direction: column;
  gap: 9px;
}

.field label {
  color: var(--muted);
  font-weight: 800;
  font-size: 14px;
}

/* INPUTS */
input,
textarea,
select {
  width: 100%;
  color: var(--text);
  background: rgba(255, 255, 255, 0.058);
  border: 1px solid var(--border);
  border-radius: 15px;
  outline: none;
  padding: 13px 15px;
  min-height: 52px;
  font-size: 16px;
  transition: 0.16s ease;
  color-scheme: dark;
}

select option {
  background: #202927;
  color: #eef6f2;
}

select option:checked {
  background: var(--green);
  color: #0e1612;
}

textarea {
  min-height: 78px;
  resize: vertical;
}

#projectGoal,
#generalNotes {
  min-height: 92px;
}

input:focus,
textarea:focus,
select:focus {
  border-color: rgba(143, 216, 148, 0.72);
  box-shadow: 0 0 0 4px var(--greenSoft);
}

/* Общата квадратура да не стои като огромен важен балон */
.compact-total-area input,
#totalArea {
  opacity: 0.82;
}

#totalArea::placeholder {
  color: var(--muted2);
  opacity: 1;
}

.compact-total-area .help,
#totalArea + .help {
  display: none;
}

/* CHIPS / COLORS */
.chips,
.color-row,
.small-actions {
  display: flex;
  gap: 16px;
  row-gap: 18px;
  flex-wrap: wrap;
  align-items: center;
}

.color-row {
  margin-top: 4px;
}

.small-actions {
  justify-content: flex-end;
  gap: 6px;
}

.chip {
  color: var(--muted);
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 9px 13px;
  cursor: pointer;
  font-size: 15px;
  user-select: none;
}

.chip.selected {
  color: var(--text);
  background: var(--greenSoft);
  border-color: rgba(143, 216, 148, 0.58);
}

.color-swatch {
  width: 42px;
  height: 42px;
  border-radius: 13px;
  border: 2px solid rgba(255, 255, 255, 0.14);
  cursor: pointer;
}

.color-swatch.selected {
  outline: 3px solid var(--green);
  outline-offset: 2px;
}

.color-picker {
  width: 52px;
  height: 52px;
  min-height: 52px;
  padding: 0;
  border-radius: 50%;
  border: 2px solid rgba(255, 255, 255, 0.18);
  background: transparent;
  overflow: hidden;
  cursor: pointer;
}

/* Chrome / Edge */
.color-picker::-webkit-color-swatch-wrapper {
  padding: 0;
}

.color-picker::-webkit-color-swatch {
  border: 0;
  border-radius: 50%;
}

/* Firefox */
.color-picker::-moz-color-swatch {
  border: 0;
  border-radius: 50%;
}

/* Нежелани цветове */
.avoid-field {
  margin-top: 2px;
}

.avoid-box {
  background: var(--dangerSoft);
  border: 1px solid var(--dangerBorder);
  border-radius: 20px;
  padding: 16px;
}

.avoid-hint {
  color: var(--dangerText);
  font-size: 14px;
  font-weight: 850;
  margin-bottom: 12px;
}

.avoid-colors .color-swatch.selected,
.avoid-colors-preview .color-swatch {
  outline-color: #ff9b9b;
}

.avoid-add-row {
  margin-top: 16px;
}

.avoid-btn {
  background: rgba(255, 120, 120, 0.11);
  border-color: rgba(255, 120, 120, 0.28);
}

#avoidColorsMaterials {
  margin-top: 16px;
  min-height: 62px;
  background: rgba(255, 255, 255, 0.05);
}

/* ROOMS */
.room-card {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 18px;
  margin-top: 16px;
}

.room-top {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 16px;
}

/* Въпросите ги оставяме отделно и не ги правим по-едри */
.question-card,
.builder-question {
  background: rgba(0, 0, 0, 0.11);
  border: 1px solid var(--border);
  border-radius: 15px;
  padding: 10px 12px;
  margin-top: 9px;
}

.question-head,
.builder-question {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 9px;
  align-items: center;
}

.question-card select,
.builder-question select {
  padding: 10px 12px;
  border-radius: 13px;
  min-height: 44px;
}

.question-card .custom-question,
.builder-question .custom-question {
  margin-top: 8px;
}

.question-card textarea {
  min-height: 68px;
  margin-top: 9px;
}

.hidden {
  display: none !important;
}

.empty {
  color: var(--muted2);
  border: 1px dashed rgba(255, 255, 255, 0.18);
  border-radius: 18px;
  padding: 18px;
  text-align: center;
  margin-top: 14px;
}

/* PREVIEW */
.preview-sheet {
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.026));
  border: 1px solid var(--border);
  border-radius: 30px;
  padding: clamp(20px, 4vw, 34px);
}

.preview-title {
  border-bottom: 1px solid var(--border);
  padding-bottom: 20px;
  margin-bottom: 20px;
}

.preview-title h2 {
  margin: 0;
  font-size: clamp(28px, 4vw, 44px);
  letter-spacing: -0.05em;
}

.preview-meta {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-top: 14px;
}

.meta-pill {
  color: var(--muted);
  border: 1px solid var(--border);
  background: rgba(0, 0, 0, 0.12);
  border-radius: 999px;
  padding: 8px 11px;
  font-size: 13px;
}

.preview-section,
.qa {
  background: rgba(17, 23, 21, 0.56);
  border: 1px solid var(--border);
  border-radius: 22px;
  padding: 18px;
  margin-top: 14px;
}

.preview-section h3 {
  margin: 0 0 12px;
  font-size: 24px;
}

.preview-section h4 {
  color: var(--green);
  margin: 0 0 12px;
  font-size: 14px;
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.qa strong {
  display: block;
  margin-bottom: 8px;
}

.qa p,
.preview-section p {
  color: #dce8e3;
  line-height: 1.6;
  margin: 0;
  white-space: pre-wrap;
}

.avoid-preview {
  border-color: rgba(255, 120, 120, 0.24);
  background: rgba(255, 120, 120, 0.06);
}

.note {
  border-left: 4px solid var(--green);
  padding: 14px 16px;
  background: rgba(143, 216, 148, 0.1);
  border-radius: 14px;
  color: #dce8e3;
  line-height: 1.55;
}

/* CLIENT FORM */
.client-form-sheet {
  background: #f7faf8;
  color: #1b2421;
  border-radius: 30px;
  padding: clamp(22px, 4vw, 42px);
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.24);
}

.client-form-title {
  border-bottom: 2px solid #dfe8e3;
  padding-bottom: 20px;
  margin-bottom: 22px;
}

.client-form-title h2 {
  margin: 0 0 10px;
  color: #15201c;
  font-size: clamp(28px, 4vw, 42px);
  letter-spacing: -0.04em;
}

.client-form-title p {
  color: #40504a;
  line-height: 1.55;
  margin: 0 0 14px;
}

.client-form-sheet .meta-pill {
  color: #2e3c37;
  background: #eef5f1;
  border-color: #dce8e3;
}

.client-room {
  background: #ffffff;
  border: 1px solid #dde8e2;
  border-radius: 22px;
  padding: 20px;
  margin-top: 18px;
  break-inside: avoid;
}

.client-room h3 {
  margin: 0 0 16px;
  color: #16211d;
  font-size: 24px;
}

.client-question {
  border-top: 1px solid #edf2ef;
  padding-top: 14px;
  margin-top: 14px;
  break-inside: avoid;
}

.client-question:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.client-question strong {
  display: block;
  color: #1d2a25;
  margin-bottom: 10px;
  font-size: 15px;
}

.client-lines {
  display: grid;
  gap: 15px;
  padding-top: 6px;
}

.client-lines span {
  display: block;
  height: 1px;
  border-bottom: 1.5px dotted #9ba9a4;
}

.client-note {
  margin-top: 20px;
  background: #edf8f1;
  border-left: 5px solid var(--green2);
  color: #25352f;
  padding: 14px 16px;
  border-radius: 14px;
  line-height: 1.5;
}

/* RESPONSIVE */
@media (max-width: 1180px) {
  .hero {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-actions {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    justify-content: stretch;
  }
}

@media (max-width: 820px) {
  .toolbar,
  .panel-header,
  .room-top {
    flex-direction: column;
    align-items: stretch;
  }

  .toolbar-right {
    width: 100%;
    justify-content: space-between;
    margin-left: 0;
  }

  .span-2,
  .span-3,
  .span-4,
  .span-5,
  .span-6,
  .span-7,
  .span-8 {
    grid-column: span 12;
  }

  .question-head,
  .builder-question {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .page {
    width: min(100% - 20px, 1240px);
    padding: 18px 0 34px;
  }

  .hero-actions {
    grid-template-columns: 1fr;
  }

  h1 {
    font-size: 30px;
  }

  .panel {
    padding: 18px;
  }
}