/**
 * ternis.org — Developer Tools Suite Stylesheet (tools.css)
 * Pure SVGs throughout — zero emojis, zero unicodes.
 * Supports light & dark themes seamlessly using CSS variables.
 */

.tools-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1.5rem 1.25rem 4rem;
}

/* Breadcrumbs */
.tools-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  flex-wrap: wrap;
}
.tools-breadcrumb a {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}
.tools-breadcrumb a:hover {
  color: var(--primary);
}

/* Tool Header */
.tool-header {
  margin-bottom: 2.5rem;
}
.tool-badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.3rem 0.85rem;
  border-radius: 9999px;
  background: rgba(234, 88, 12, 0.1);
  border: 1px solid rgba(234, 88, 12, 0.3);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 600;
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  margin-bottom: 1rem;
}
.tool-title {
  font-size: clamp(1.85rem, 3.5vw, 2.75rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  margin: 0 0 0.85rem;
  line-height: 1.2;
}
.tool-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  max-width: 820px;
  line-height: 1.6;
  margin: 0;
}

/* Tool Nav Tabs */
.tools-tabs {
  display: flex;
  gap: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 2rem;
  overflow-x: auto;
  scrollbar-width: none;
}
.tools-tabs::-webkit-scrollbar {
  display: none;
}
.tools-tab-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.85rem 1.25rem;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-size: 0.9375rem;
  font-weight: 600;
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  white-space: nowrap;
  transition: color 0.15s ease, border-color 0.15s ease;
}
.tools-tab-btn:hover {
  color: var(--text-main);
}
.tools-tab-btn.active {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

/* Layout Grid for Interactive Tools */
.tool-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}
@media (min-width: 992px) {
  .tool-grid {
    grid-template-columns: 1.15fr 0.85fr;
  }
  .tool-grid.equal {
    grid-template-columns: 1fr 1fr;
  }
}

/* Form Card */
.tool-card {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 1.75rem;
  box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.05);
}
.tool-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--border-subtle);
}
.tool-card-title {
  font-size: 1.15rem;
  font-weight: 700;
  margin: 0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

/* Inputs & Form Elements */
.tool-form-group {
  margin-bottom: 1.25rem;
}
.tool-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 0.45rem;
}
.tool-input-hint {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 0.35rem;
}
.tool-input,
.tool-select,
.tool-textarea {
  width: 100%;
  padding: 0.75rem 0.95rem;
  border-radius: 10px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-color);
  color: var(--text-main);
  font-size: 0.9375rem;
  font-family: inherit;
  outline: none;
  box-sizing: border-box;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
.tool-input.mono,
.tool-textarea.mono {
  font-family: var(--font-mono);
  font-size: 0.875rem;
}
.tool-input:focus,
.tool-select:focus,
.tool-textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(234, 88, 12, 0.15);
}

/* Pills Selector */
.pills-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.pill-choice {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.45rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--border-subtle);
  background: var(--bg-color);
  color: var(--text-muted);
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  user-select: none;
  font-family: var(--font-mono);
  transition: all 0.15s ease;
}
.pill-choice:hover {
  border-color: var(--primary);
  color: var(--text-main);
}
.pill-choice.active {
  background: rgba(234, 88, 12, 0.12);
  border-color: var(--primary);
  color: var(--primary);
}

/* Action Buttons */
.tool-btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: 10px;
  background: var(--primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  cursor: pointer;
  transition: filter 0.15s ease, transform 0.1s ease;
  text-decoration: none;
}
.tool-btn-primary:hover {
  filter: brightness(1.1);
  transform: translateY(-1px);
}
.tool-btn-primary:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.tool-btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.8rem 1.4rem;
  border-radius: 10px;
  background: var(--bg-color);
  color: var(--text-main);
  font-weight: 600;
  font-size: 0.9375rem;
  border: 1px solid var(--border-subtle);
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
  text-decoration: none;
}
.tool-btn-secondary:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* Result Box */
.tool-result-box {
  background: var(--bg-color);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.25rem;
  margin-top: 1.5rem;
  position: relative;
}
.tool-result-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  font-family: var(--font-mono);
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid var(--border-subtle);
}
.tool-copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.65rem;
  border-radius: 6px;
  border: 1px solid var(--border-subtle);
  background: var(--surface);
  color: var(--text-muted);
  font-size: 0.75rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.15s ease;
}
.tool-copy-btn:hover {
  color: var(--primary);
  border-color: var(--primary);
}
.tool-copy-btn.copied {
  background: rgba(22, 163, 74, 0.15);
  border-color: #16a34a;
  color: #16a34a;
}

/* Terminal Display */
.tool-terminal {
  background: #141419;
  color: #f4f4f5;
  border-radius: 10px;
  padding: 1rem 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.6;
  overflow-x: auto;
  border: 1px solid #27272a;
}

/* QR Code Studio Specifics */
.qr-preview-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: var(--bg-color);
  border: 1px solid var(--border-subtle);
  border-radius: 14px;
  min-height: 280px;
}
.qr-preview-img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
  background: #ffffff;
  padding: 8px;
}

/* Live DNS Table */
.dns-table-container {
  overflow-x: auto;
  margin-top: 1rem;
}
.dns-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
  font-family: var(--font-mono);
}
.dns-table th {
  text-align: left;
  padding: 0.65rem 0.85rem;
  background: var(--surface);
  border-bottom: 2px solid var(--border-subtle);
  color: var(--text-muted);
  font-weight: 600;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.dns-table td {
  padding: 0.75rem 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
  vertical-align: top;
  word-break: break-all;
}
.dns-table tr:hover td {
  background: rgba(234, 88, 12, 0.03);
}

.dns-type-badge {
  display: inline-block;
  padding: 0.2rem 0.5rem;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 700;
  background: rgba(234, 88, 12, 0.12);
  color: var(--primary);
  border: 1px solid rgba(234, 88, 12, 0.25);
}

.dns-sec-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.65rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
}
.dns-sec-badge.secure {
  background: rgba(22, 163, 74, 0.12);
  color: #16a34a;
  border: 1px solid rgba(22, 163, 74, 0.3);
}
.dns-sec-badge.insecure {
  background: rgba(148, 163, 184, 0.15);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}

/* Secret Generator Output List */
.secret-output-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.65rem 0.95rem;
  background: var(--bg-color);
  border: 1px solid var(--border-subtle);
  border-radius: 8px;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
  word-break: break-all;
  gap: 1rem;
}
.secret-output-val {
  user-select: all;
  color: var(--text-main);
  font-weight: 500;
}

/* ==========================================================================
   WHOIS & RDAP Domain Explorer Styles
   ========================================================================== */

.whois-status-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.25rem 1.5rem;
  border-radius: 12px;
  margin-bottom: 1.5rem;
  border: 1px solid var(--border-subtle);
  background: var(--surface);
  flex-wrap: wrap;
  gap: 1rem;
}
.whois-status-card.registered {
  border-left: 5px solid #3b82f6;
}
.whois-status-card.available {
  border-left: 5px solid #22c55e;
  background: rgba(34, 197, 94, 0.05);
}
.whois-status-card.error {
  border-left: 5px solid #ef4444;
  background: rgba(239, 68, 68, 0.05);
}

.whois-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 1.25rem;
  margin-bottom: 1.5rem;
}

.whois-box {
  background: var(--surface);
  border: 1px solid var(--border-subtle);
  border-radius: 12px;
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.whois-box-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 1rem;
  padding-bottom: 0.65rem;
  border-bottom: 1px solid var(--border-subtle);
}

.whois-meta-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.whois-meta-item {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-size: 0.875rem;
  gap: 1rem;
}

.whois-meta-label {
  color: var(--text-muted);
  font-size: 0.8125rem;
}

.whois-meta-val {
  font-family: var(--font-mono);
  color: var(--text-main);
  font-weight: 500;
  text-align: right;
  word-break: break-all;
}

.whois-pill-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.2rem 0.55rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  font-family: var(--font-mono);
}
.whois-pill-tag.secure {
  background: rgba(34, 197, 94, 0.12);
  color: #16a34a;
  border: 1px solid rgba(34, 197, 94, 0.25);
}
.whois-pill-tag.insecure {
  background: rgba(100, 116, 139, 0.12);
  color: var(--text-muted);
  border: 1px solid var(--border-subtle);
}
.whois-pill-tag.warning {
  background: rgba(245, 158, 11, 0.12);
  color: #d97706;
  border: 1px solid rgba(245, 158, 11, 0.25);
}

.epp-badge {
  display: inline-block;
  padding: 0.2rem 0.45rem;
  margin: 0.15rem;
  border-radius: 4px;
  font-size: 0.72rem;
  font-family: var(--font-mono);
  background: var(--bg-color);
  border: 1px solid var(--border-subtle);
  color: var(--text-main);
}