/* ═══════════════════════════════════════════════════════════════
   WEBGEN Operator Console — styles.css
   Aesthetic: Ambient terminal glow · Soft cyberpunk · Clean 90s
   ═══════════════════════════════════════════════════════════════ */

/* ── Fonts ─────────────────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Space+Mono:ital,wght@0,400;0,700;1,400&family=Syne:wght@400;600;700;800&display=swap');

/* ── Design Tokens ──────────────────────────────────────────── */
:root {
  --font-ui:   'Syne', 'Segoe UI', sans-serif;
  --font-mono: 'Space Mono', 'Courier New', monospace;

  --radius-sm:  4px;
  --radius-md:  8px;
  --radius-lg:  14px;
  --radius-xl:  22px;

  --transition-fast:  0.15s ease;
  --transition-base:  0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow:  0.4s cubic-bezier(0.4, 0, 0.2, 1);

  --shadow-card:    0 8px 40px rgba(0,0,0,0.35);
  --shadow-btn:     0 2px 12px rgba(0,0,0,0.25);
  --shadow-glow:    0 0 24px rgba(79,195,247,0.15);
  --shadow-glow-strong: 0 0 36px rgba(79,195,247,0.28);
}

/* ── Dark Theme (default) ──────────────────────────────────── */
[data-theme="dark"] {
  --bg-page:       #080f1e;
  --bg-card:       #0d1829;
  --bg-card-alt:   #111e32;
  --bg-overlay:    rgba(8,15,30,0.88);
  --bg-code:       #07111f;
  --bg-input:      #0b1523;
  --bg-input-focus:#0d1c2e;

  --border-subtle: rgba(79,195,247,0.08);
  --border-default:rgba(79,195,247,0.15);
  --border-focus:  rgba(79,195,247,0.55);

  --text-primary:  #d8ecff;
  --text-secondary:#7fa8c8;
  --text-muted:    #3d617e;
  --text-code:     #a8d8ea;
  --text-accent:   #4fc3f7;
  --text-success:  #56e3a4;
  --text-error:    #ff7b7b;
  --text-brand:    #4fc3f7;

  --accent:        #4fc3f7;
  --accent-dim:    rgba(79,195,247,0.12);
  --accent-hover:  #7dd3f8;
  --success:       #56e3a4;
  --success-dim:   rgba(86,227,164,0.12);
  --error:         #ff7b7b;
  --error-dim:     rgba(255,123,123,0.10);

  --btn-primary-bg:     #1a4a6e;
  --btn-primary-hover:  #1f5a85;
  --btn-primary-text:   #a8d8f0;
  --btn-secondary-bg:   transparent;
  --btn-secondary-hover:#0d1829;
  --btn-secondary-text: #5a8ea8;
  --btn-secondary-border:rgba(79,195,247,0.2);
  --btn-ghost-text:     #4fc3f7;
  --btn-accent-bg:      #155b3e;
  --btn-accent-hover:   #1a7050;
  --btn-accent-text:    #56e3a4;

  --badge-bg:    rgba(79,195,247,0.1);
  --badge-border:rgba(79,195,247,0.25);
  --badge-text:  #4fc3f7;

  --scanline: rgba(0,0,0,0.15);
  --noise-opacity: 0.025;
}

/* ── Light Theme ───────────────────────────────────────────── */
[data-theme="light"] {
  --bg-page:       #dde9f5;
  --bg-card:       #eef4fb;
  --bg-card-alt:   #e4eff9;
  --bg-overlay:    rgba(221,233,245,0.9);
  --bg-code:       #dae6f0;
  --bg-input:      #e2eef8;
  --bg-input-focus:#d8eaf8;

  --border-subtle: rgba(0,80,140,0.06);
  --border-default:rgba(0,80,140,0.12);
  --border-focus:  rgba(0,100,180,0.45);

  --text-primary:  #0d2440;
  --text-secondary:#2e5a7c;
  --text-muted:    #6b92ad;
  --text-code:     #0e4c73;
  --text-accent:   #0077b6;
  --text-success:  #1a6e4a;
  --text-error:    #b83232;
  --text-brand:    #0077b6;

  --accent:        #0077b6;
  --accent-dim:    rgba(0,119,182,0.10);
  --accent-hover:  #005f96;
  --success:       #1a7f56;
  --success-dim:   rgba(26,127,86,0.10);
  --error:         #c03030;
  --error-dim:     rgba(192,48,48,0.08);

  --btn-primary-bg:     #0077b6;
  --btn-primary-hover:  #005f96;
  --btn-primary-text:   #ffffff;
  --btn-secondary-bg:   transparent;
  --btn-secondary-hover:#e0edf7;
  --btn-secondary-text: #2e5a7c;
  --btn-secondary-border:rgba(0,80,140,0.2);
  --btn-ghost-text:     #0077b6;
  --btn-accent-bg:      #1a6e4a;
  --btn-accent-hover:   #145c3e;
  --btn-accent-text:    #f0fff8;

  --badge-bg:    rgba(0,119,182,0.08);
  --badge-border:rgba(0,119,182,0.2);
  --badge-text:  #0077b6;

  --scanline: rgba(255,255,255,0.0);
  --noise-opacity: 0.015;

  --shadow-card:    0 8px 40px rgba(0,40,80,0.10);
  --shadow-btn:     0 2px 8px rgba(0,40,80,0.12);
  --shadow-glow:    0 0 24px rgba(0,119,182,0.08);
  --shadow-glow-strong: 0 0 36px rgba(0,119,182,0.15);
}

/* ── Reset & Base ───────────────────────────────────────────── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-ui);
  background-color: var(--bg-page);
  color: var(--text-primary);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  position: relative;
  overflow-x: hidden;
  transition: background-color var(--transition-slow), color var(--transition-slow);
}

/* Subtle noise texture overlay */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  opacity: var(--noise-opacity);
  pointer-events: none;
  z-index: 0;
}

/* Subtle gradient vignette */
body::after {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(79,195,247,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 90%, rgba(86,227,164,0.03) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  transition: opacity var(--transition-slow);
}

[data-theme="light"] body::after {
  background:
    radial-gradient(ellipse 80% 60% at 20% 10%, rgba(0,119,182,0.04) 0%, transparent 60%),
    radial-gradient(ellipse 60% 80% at 80% 90%, rgba(0,150,100,0.02) 0%, transparent 60%);
}

/* ── App Header ─────────────────────────────────────────────── */
.app-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(8,15,30,0.82);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition-slow), border-color var(--transition-slow);
}

[data-theme="light"] .app-header {
  background: rgba(221,233,245,0.85);
}

.header-inner {
  max-width: 1000px;
  margin: 0 auto;
  padding: 0 2rem;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.header-brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  font-family: var(--font-mono);
}

.brand-prefix {
  color: var(--accent);
  font-size: 1.1rem;
  animation: blink 2s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.2; }
}

.brand-name {
  font-size: 0.95rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-accent);
}

.brand-suffix {
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  text-transform: uppercase;
}

.header-controls {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

/* ── Theme Toggle ───────────────────────────────────────────── */
.theme-toggle {
  background: var(--accent-dim);
  border: 1px solid var(--border-default);
  color: var(--text-accent);
  border-radius: 50%;
  width: 34px;
  height: 34px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1rem;
  transition: all var(--transition-fast);
  flex-shrink: 0;
}

.theme-toggle:hover {
  background: var(--accent-dim);
  border-color: var(--accent);
  box-shadow: var(--shadow-glow);
  transform: scale(1.06);
}

[data-theme="dark"] .theme-icon-light { display: none; }
[data-theme="dark"] .theme-icon-dark  { display: block; }
[data-theme="light"] .theme-icon-dark  { display: none; }
[data-theme="light"] .theme-icon-light { display: block; }

/* ── Profile Badge ──────────────────────────────────────────── */
.profile-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  background: var(--badge-bg);
  border: 1px solid var(--badge-border);
  color: var(--badge-text);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  padding: 0.28rem 0.75rem;
  border-radius: var(--radius-sm);
  white-space: nowrap;
  transition: all var(--transition-fast);
}

.profile-badge::before {
  content: '⬡';
  opacity: 0.6;
}

/* ── Main ───────────────────────────────────────────────────── */
.app-main {
  flex: 1;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding: 2.5rem 1.5rem 3rem;
  position: relative;
  z-index: 1;
}

.card-container {
  width: 100%;
  max-width: 900px;
  background: var(--bg-card);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card), var(--shadow-glow);
  overflow: hidden;
  position: relative;
  transition: background var(--transition-slow), border-color var(--transition-slow), box-shadow var(--transition-slow);
}

/* Subtle top accent line */
.card-container::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent 0%, var(--accent) 30%, var(--success) 70%, transparent 100%);
  opacity: 0.5;
}

/* ── Screens ────────────────────────────────────────────────── */
.screen {
  display: none;
  padding: 2.5rem 2.5rem 2rem;
  animation: screenIn var(--transition-base) both;
}

.screen.active {
  display: block;
}

@keyframes screenIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.screen-body--centered {
  min-height: 340px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 1.25rem;
  padding: 1rem 0;
}

.screen-header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.75rem;
}

.screen-eyebrow {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.35rem;
}

.screen-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 800;
  line-height: 1.1;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.screen-title-sm {
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.screen-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
  max-width: 380px;
  line-height: 1.65;
}

/* ── Profile Select Button (Screen 1) ───────────────────────── */
.profile-select-btn {
  font-family: var(--font-mono);
  font-size: 2.6rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--text-accent);
  background: var(--accent-dim);
  border: 2px solid var(--border-default);
  border-radius: var(--radius-lg);
  padding: 1.25rem 3rem;
  cursor: pointer;
  transition: all var(--transition-base);
  position: relative;
  overflow: hidden;
  min-width: 220px;
}

.profile-select-btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(79,195,247,0.08) 0%, transparent 60%);
  transition: opacity var(--transition-fast);
}

.profile-select-btn:hover {
  border-color: var(--accent);
  box-shadow: var(--shadow-glow-strong), var(--shadow-btn);
  transform: translateY(-2px) scale(1.02);
  color: var(--accent-hover);
}

.profile-select-btn:active {
  transform: translateY(0) scale(0.99);
}

[data-theme="light"] .profile-select-btn::after {
  background: linear-gradient(135deg, rgba(0,119,182,0.06) 0%, transparent 60%);
}

/* ── Buttons ────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  padding: 0.6rem 1.35rem;
  transition: all var(--transition-fast);
  white-space: nowrap;
  user-select: none;
  position: relative;
  text-decoration: none;
}

.btn:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.32;
  cursor: not-allowed;
  pointer-events: none;
}

/* Primary */
.btn--primary {
  background: var(--btn-primary-bg);
  color: var(--btn-primary-text);
  border-color: transparent;
}
.btn--primary:hover {
  background: var(--btn-primary-hover);
  box-shadow: var(--shadow-glow), var(--shadow-btn);
  transform: translateY(-1px);
}
.btn--primary:active { transform: translateY(0); }

/* Secondary */
.btn--secondary {
  background: var(--btn-secondary-bg);
  color: var(--btn-secondary-text);
  border-color: var(--btn-secondary-border);
}
.btn--secondary:hover {
  background: var(--btn-secondary-hover);
  border-color: var(--border-default);
  transform: translateY(-1px);
}
.btn--secondary:active { transform: translateY(0); }

/* Ghost (copy etc.) */
.btn--ghost {
  background: transparent;
  color: var(--btn-ghost-text);
  border-color: transparent;
  padding: 0.5rem 0.85rem;
}
.btn--ghost:hover {
  background: var(--accent-dim);
  border-color: var(--border-default);
}

/* Accent (complete) */
.btn--accent {
  background: var(--btn-accent-bg);
  color: var(--btn-accent-text);
  border-color: transparent;
}
.btn--accent:hover {
  background: var(--btn-accent-hover);
  box-shadow: 0 0 20px rgba(86,227,164,0.2);
  transform: translateY(-1px);
}
.btn--accent:active { transform: translateY(0); }

/* Small */
.btn--sm {
  font-size: 0.7rem;
  padding: 0.38rem 0.85rem;
}

/* Wide */
.btn--wide {
  padding: 0.75rem 2.5rem;
  font-size: 0.82rem;
  letter-spacing: 0.08em;
}

/* ── Action Row ─────────────────────────────────────────────── */
.action-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-top: 1.75rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border-subtle);
}

.action-right {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

.action-left {
  display: flex;
  gap: 0.6rem;
  align-items: center;
}

/* ── Code Block ─────────────────────────────────────────────── */
.code-block-wrapper {
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-code);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.code-block-wrapper:focus-within {
  border-color: var(--border-focus);
  box-shadow: 0 0 0 3px rgba(79,195,247,0.06);
}

.code-block {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.75;
  color: var(--text-code);
  padding: 1.25rem 1.5rem;
  white-space: pre-wrap;
  word-break: break-word;
  overflow-y: auto;
  max-height: 320px;
  min-height: 120px;
  cursor: text;
  outline: none;
  user-select: text;
  -webkit-user-select: text;
  tab-size: 2;
}

.code-block--tall {
  max-height: 260px;
  min-height: 140px;
}

/* Subtle scanline effect inside code blocks (dark only) */
[data-theme="dark"] .code-block {
  background-image: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    var(--scanline) 2px,
    var(--scanline) 4px
  );
  background-size: 100% 4px;
}

/* Scrollbar */
.code-block::-webkit-scrollbar {
  width: 5px;
}
.code-block::-webkit-scrollbar-track {
  background: transparent;
}
.code-block::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 99px;
}
.code-block::-webkit-scrollbar-thumb:hover {
  background: var(--border-focus);
}

/* ── Field Group ────────────────────────────────────────────── */
.field-group {
  margin-bottom: 1.25rem;
}

.field-label {
  display: block;
  font-size: 0.7rem;
  font-family: var(--font-mono);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: 0.55rem;
}

.field-label-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 0.55rem;
}

.field-label-row .field-label {
  margin-bottom: 0;
}

/* ── Textarea ───────────────────────────────────────────────── */
.code-textarea {
  display: block;
  width: 100%;
  min-height: 200px;
  resize: vertical;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.75;
  color: var(--text-code);
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 1.1rem 1.25rem;
  outline: none;
  transition: all var(--transition-fast);
  white-space: pre;
  overflow-wrap: normal;
  overflow-x: auto;
}

.code-textarea::placeholder {
  color: var(--text-muted);
  font-style: italic;
}

.code-textarea:hover {
  border-color: rgba(79,195,247,0.3);
}

.code-textarea:focus {
  border-color: var(--border-focus);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 3px rgba(79,195,247,0.06);
}

.code-textarea::-webkit-scrollbar {
  width: 5px;
  height: 5px;
}
.code-textarea::-webkit-scrollbar-track { background: transparent; }
.code-textarea::-webkit-scrollbar-thumb {
  background: var(--border-default);
  border-radius: 99px;
}

/* ── Text Input ─────────────────────────────────────────────── */
.text-input {
  display: block;
  width: 100%;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--text-primary);
  background: var(--bg-input);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-md);
  padding: 0.7rem 1rem;
  outline: none;
  transition: all var(--transition-fast);
}

.text-input::placeholder {
  color: var(--text-muted);
}

.text-input:hover {
  border-color: rgba(79,195,247,0.3);
}

.text-input:focus {
  border-color: var(--border-focus);
  background: var(--bg-input-focus);
  box-shadow: 0 0 0 3px rgba(79,195,247,0.06);
}

/* ── Checkbox ───────────────────────────────────────────────── */
.checkbox-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  cursor: pointer;
  user-select: none;
  margin-bottom: 0.25rem;
}

.checkbox-input {
  display: none;
}

.checkbox-custom {
  width: 18px;
  height: 18px;
  border: 1.5px solid var(--border-default);
  border-radius: 4px;
  background: var(--bg-input);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
  position: relative;
}

.checkbox-custom::after {
  content: '';
  width: 9px;
  height: 5px;
  border-bottom: 2px solid var(--accent);
  border-left: 2px solid var(--accent);
  transform: rotate(-45deg) translateY(-1px);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.checkbox-input:checked + .checkbox-custom {
  background: var(--accent-dim);
  border-color: var(--accent);
}

.checkbox-input:checked + .checkbox-custom::after {
  opacity: 1;
}

.checkbox-text {
  font-size: 0.8rem;
  color: var(--text-secondary);
  font-family: var(--font-mono);
}

.checkbox-label:hover .checkbox-custom {
  border-color: var(--accent);
}

/* ── Error Block ────────────────────────────────────────────── */
.error-block {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-error);
  background: var(--error-dim);
  border: 1px solid rgba(255,123,123,0.2);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  margin-top: 1rem;
  line-height: 1.6;
  white-space: pre-wrap;
}

.error-block::before {
  content: '✕ ';
  opacity: 0.7;
}

/* ── Inline Spinner (Screen 1 init) ─────────────────────────── */
.inline-spinner {
  width: 36px;
  height: 36px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
  margin-top: 0.5rem;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Loading Overlay ────────────────────────────────────────── */
.loading-overlay {
  position: fixed;
  inset: 0;
  background: var(--bg-overlay);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--transition-fast);
}

.loading-overlay.hidden {
  display: none;
}

.loading-box {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--border-default);
  border-radius: var(--radius-xl);
  padding: 2.5rem 3.5rem;
  box-shadow: var(--shadow-card);
}

.loading-spinner {
  width: 44px;
  height: 44px;
  border: 2px solid var(--border-subtle);
  border-top-color: var(--accent);
  border-right-color: rgba(79,195,247,0.4);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--text-muted);
}

/* ── Toast ──────────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%) translateY(16px);
  background: var(--bg-card-alt);
  border: 1px solid var(--border-default);
  color: var(--text-accent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  padding: 0.6rem 1.4rem;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-card);
  opacity: 0;
  pointer-events: none;
  z-index: 300;
  transition: opacity 0.22s ease, transform 0.22s ease;
  white-space: nowrap;
}

.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ── Success Screen ─────────────────────────────────────────── */
.success-icon {
  width: 72px;
  height: 72px;
  border-radius: 50%;
  background: var(--success-dim);
  border: 2px solid rgba(86,227,164,0.35);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--success);
  margin-bottom: 0.5rem;
  animation: successPop 0.35s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

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

.accent-text {
  color: var(--text-accent);
  font-family: var(--font-mono);
  font-weight: 700;
}

/* ── Footer ─────────────────────────────────────────────────── */
.app-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  font-family: var(--font-mono);
  font-size: 0.62rem;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  border-top: 1px solid var(--border-subtle);
  position: relative;
  z-index: 1;
  transition: color var(--transition-slow), border-color var(--transition-slow);
}

.footer-sep {
  opacity: 0.4;
}

/* ── Utility ─────────────────────────────────────────────────── */
.hidden {
  display: none !important;
}

/* ── Responsive ─────────────────────────────────────────────── */
@media (max-width: 680px) {
  .header-inner { padding: 0 1.25rem; }
  .brand-suffix { display: none; }

  .app-main { padding: 1.25rem 0.75rem 2rem; }

  .screen {
    padding: 1.5rem 1.25rem 1.25rem;
  }

  .screen-header-row {
    flex-direction: column;
    gap: 0.6rem;
  }

  .action-row {
    flex-direction: column-reverse;
    align-items: stretch;
    gap: 0.6rem;
  }

  .action-right,
  .action-left {
    justify-content: stretch;
  }

  .action-right .btn,
  .action-left .btn {
    flex: 1;
    justify-content: center;
  }

  .code-block {
    font-size: 0.71rem;
    max-height: 220px;
  }

  .code-textarea {
    font-size: 0.71rem;
    min-height: 160px;
  }

  .profile-select-btn {
    font-size: 2rem;
    padding: 1rem 2rem;
  }

  .screen-title {
    font-size: 2rem;
  }
}

@media (max-width: 420px) {
  .screen { padding: 1.25rem 1rem 1rem; }
  .card-container { border-radius: var(--radius-lg); }
}