/* ============================================================================
   roman-conv.css — Tool-spezifische Styles für ROMAN NUMERALS
   Geladen auf: tools/roman-conv.php  (NACH main-vhc.css)
   ============================================================================ */

/* ── Seitenbereich ───────────────────────────────── */

body.tool-page main {
  flex: 1;
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 36px 20px 52px;
}

/* ── Tool-Header ─────────────────────────────────── */

.rc-header {
  text-align: center;
  margin-bottom: 2.2rem;
}

.rc-icon {
  width: 96px;
  height: 96px;
  display: block;
  margin: 0 auto 1rem;
}

.rc-title {
  font-family: 'Orbitron', 'Segoe UI', system-ui, sans-serif;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--neon1);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  text-shadow: 0 0 24px rgba(0, 229, 255, 0.45);
  margin: 0 0 0.5rem 0;
}

.rc-subtitle {
  font-size: 0.78rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin: 0;
}

/* ── Tool-Wrapper ────────────────────────────────── */

.tool-wrap {
  width: 100%;
  max-width: 680px;
}

/* ── Tabs ────────────────────────────────────────── */

.tab-bar {
  display: flex;
  border-bottom: 1px solid #141e30;
  margin-bottom: 1.6rem;
}

.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  color: #4a5a70;
  font-size: 0.78rem;
  font-family: 'Exo 2', 'Segoe UI', system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.55rem 1.2rem;
  cursor: pointer;
  transition: color 0.2s, border-color 0.2s;
  margin-bottom: -1px;
}

.tab-btn.active {
  color: var(--neon1);
  border-bottom-color: var(--neon1);
}

.tab-btn:hover:not(.active) {
  color: var(--text);
}

/* ── Tab-Inhalt ──────────────────────────────────── */

.tab-content {
  display: block;
}

.tab-content.hidden {
  display: none;
}

/* ── Richtungsauswahl ────────────────────────────── */

.direction-toggle {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1.2rem;
}

.dir-btn {
  background: #0c1220;
  border: 1px solid #1a2840;
  color: #4a5a70;
  font-size: 0.76rem;
  font-family: 'Exo 2', 'Segoe UI', system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.09em;
  padding: 0.45rem 1rem;
  cursor: pointer;
  border-radius: 2px;
  transition: border-color 0.2s, color 0.2s, background 0.2s;
}

.dir-btn.active {
  background: #01121e;
  border-color: var(--neon1);
  color: var(--neon1);
}

.dir-btn:hover:not(.active) {
  border-color: #2a3e58;
  color: var(--text);
}

/* ── Eingabe ─────────────────────────────────────── */

.input-row {
  display: flex;
  gap: 0.8rem;
  align-items: center;
  margin-bottom: 1rem;
}

.tool-input {
  flex: 1;
  background: #0c1220;
  border: 1px solid #1a2840;
  color: var(--text);
  font-size: 0.95rem;
  font-family: 'Exo 2', 'Segoe UI', system-ui, sans-serif;
  padding: 0.6rem 0.9rem;
  border-radius: 2px;
  outline: none;
  transition: border-color 0.2s;
}

.tool-input:focus {
  border-color: var(--neon1);
}

.tool-input::placeholder {
  color: #2e3e52;
}

.extended-label {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.76rem;
  color: #4a5a70;
  white-space: nowrap;
  cursor: pointer;
  user-select: none;
}

.extended-label input[type="checkbox"] {
  accent-color: var(--neon1);
  cursor: pointer;
  width: 14px;
  height: 14px;
}

.extended-label.hidden {
  display: none;
}

/* ── Konvertieren-Button ─────────────────────────── */

.convert-btn {
  display: block;
  width: 100%;
  background: #01121e;
  border: 1px solid var(--neon1);
  color: var(--neon1);
  font-size: 0.78rem;
  font-family: 'Exo 2', 'Segoe UI', system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  padding: 0.65rem;
  cursor: pointer;
  border-radius: 2px;
  margin-bottom: 1.4rem;
  transition: background 0.2s, box-shadow 0.2s;
}

.convert-btn:hover {
  background: #01202e;
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.25);
}

/* ── Ergebnisbereich ─────────────────────────────── */

.result-area {
  background: #090f1c;
  border: 1px solid #1a2840;
  border-radius: 2px;
  padding: 1rem 1.1rem;
  margin-bottom: 1.1rem;
  display: none;
}

.result-area.visible {
  display: block;
}

.result-label,
.steps-label {
  font-size: 0.66rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #2e4060;
  margin-bottom: 0.6rem;
}

.result-value {
  font-family: 'Orbitron', 'Courier New', monospace;
  font-size: 1.5rem;
  color: var(--neon1);
  letter-spacing: 0.06em;
  word-break: break-all;
  margin-bottom: 0.9rem;
  min-height: 2rem;
}

.result-value.error {
  color: #ff4060;
  font-family: 'Exo 2', 'Segoe UI', system-ui, sans-serif;
  font-size: 0.88rem;
  letter-spacing: normal;
}

/* ── Kopieren-Button ─────────────────────────────── */

.copy-btn {
  background: none;
  border: 1px solid #1e3050;
  color: #3a5070;
  font-size: 0.72rem;
  font-family: 'Exo 2', 'Segoe UI', system-ui, sans-serif;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  padding: 0.3rem 0.85rem;
  cursor: pointer;
  border-radius: 2px;
  transition: border-color 0.2s, color 0.2s;
}

.copy-btn:hover {
  border-color: var(--neon1);
  color: var(--neon1);
}

.copy-btn.copied {
  border-color: var(--neon4);
  color: var(--neon4);
}

/* ── Schritt-für-Schritt ─────────────────────────── */

.steps-area {
  background: #090f1c;
  border: 1px solid #1a2840;
  border-radius: 2px;
  padding: 1rem 1.1rem;
  margin-bottom: 1.4rem;
  display: none;
}

.steps-area.visible {
  display: block;
}

.step-row {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.32rem 0;
  border-bottom: 1px solid #0d1525;
  font-size: 0.9rem;
}

.step-row:last-child {
  border-bottom: none;
}

.step-sym {
  color: var(--neon1);
  font-family: 'Orbitron', 'Courier New', monospace;
  font-size: 0.95rem;
  min-width: 3.5rem;
}

.step-row--sub .step-sym {
  color: #ffaa40;
}

.step-eq {
  color: #2e4060;
  font-size: 0.8rem;
}

.step-val {
  color: #a0b8cc;
  font-size: 0.88rem;
}

.step-count {
  color: #4a6080;
  font-size: 0.8rem;
  margin-left: auto;
}

/* ── Massenkonvertierung: Eingabe ────────────────── */

.bulk-textarea {
  width: 100%;
  background: #0c1220;
  border: 1px solid #1a2840;
  color: var(--text);
  font-size: 0.9rem;
  font-family: 'Courier New', monospace;
  padding: 0.7rem 0.9rem;
  border-radius: 2px;
  outline: none;
  resize: vertical;
  min-height: 140px;
  margin-bottom: 1rem;
  transition: border-color 0.2s;
}

.bulk-textarea:focus {
  border-color: var(--neon1);
}

/* ── Massenkonvertierung: Ergebnisanzeige ────────── */

.bulk-result-display {
  background: transparent;
  min-height: 80px;
  max-height: 260px;
  overflow-y: auto;
  margin-bottom: 0.9rem;
  font-family: 'Courier New', monospace;
  font-size: 0.88rem;
  line-height: 1.7;
}

.bulk-line {
  display: block;
  min-height: 1.4em;
}

.bulk-col-arabic {
  color: #00cc88;
}

.bulk-col-roman {
  color: #ffaa40;
}

.bulk-col-error {
  color: #ff4060;
}

.bulk-arrow {
  color: #2e4060;
}

/* ── Drei Kopierbuttons ──────────────────────────── */

.copy-row {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.copy-btn--arabic {
  border-color: #1e5040;
  color: #00cc88;
}

.copy-btn--arabic:hover {
  border-color: #00cc88;
  color: #00cc88;
}

.copy-btn--arabic.copied {
  border-color: #00cc88;
  color: #00cc88;
}

.copy-btn--roman {
  border-color: #503010;
  color: #ffaa40;
}

.copy-btn--roman:hover {
  border-color: #ffaa40;
  color: #ffaa40;
}

.copy-btn--roman.copied {
  border-color: #ffaa40;
  color: #ffaa40;
}

.copy-btn--all {
  border: 1px solid transparent;
  background: linear-gradient(#090f1c, #090f1c) padding-box,
              linear-gradient(90deg, #00cc88, #ffaa40) border-box;
  color: var(--text);
}

.copy-btn--all:hover {
  background: linear-gradient(#0d1a28, #0d1a28) padding-box,
              linear-gradient(90deg, #00cc88, #ffaa40) border-box;
}

.copy-btn--all.copied {
  color: var(--text);
}