/* AutoCalc Pro — SaaS Precision (dark) + accent CHIPRO blue */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --bg: #0C1017;
  --surface: #121822;
  --surface-2: #192030;
  --surface-3: #1F283A;
  --ink: #E2E8F3;
  --ink-2: rgba(226,232,243,.55);
  --ink-3: rgba(226,232,243,.3);
  --accent: #4E8AFF;
  --accent-hover: #6BA0FF;
  --accent-muted: rgba(78,138,255,.15);
  --accent-glow: rgba(78,138,255,.18);
  --border: rgba(226,232,243,.07);
  --border-hover: rgba(226,232,243,.14);
  --border-focus: rgba(78,138,255,.45);
  --success: #3DD68C;
  --success-muted: rgba(61,214,140,.12);
  --danger: #EF6464;
  --danger-muted: rgba(239,100,100,.12);
  --warning: #F5B731;
  --warning-muted: rgba(245,183,49,.12);
  --radius-sm: 6px;
  --radius: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;
  --font-display: 'Space Grotesk', sans-serif;
  --font-body: 'Space Grotesk', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;
  --sidebar-w: 256px;
  --header-h: 56px;
  --ease: cubic-bezier(.22,.61,.36,1);
  --ease-out: cubic-bezier(.16,1,.3,1);
}

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

html, body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

#root { height: 100%; }

::selection {
  background: var(--accent);
  color: #fff;
}

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

/* ========================================
   LOGIN
   ======================================== */

.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  background: var(--bg);
  position: relative;
  overflow: hidden;
}

.login-grid-bg {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 60% 50% at 50% 50%, black 20%, transparent 100%);
  pointer-events: none;
}

.login-card {
  width: 380px;
  max-width: 92vw;
  padding: 44px 32px 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  position: relative;
  z-index: 1;
}

.login-logo-img {
  display: block;
  max-width: 160px;
  height: auto;
  margin: 0 auto 36px;
}

.login-field {
  margin-bottom: 20px;
}

.login-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  margin-bottom: 8px;
}

.login-field-wrap {
  position: relative;
}

.login-field-wrap i {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-2);
  font-size: 14px;
  pointer-events: none;
}

.login-field input {
  width: 100%;
  height: 44px;
  padding: 0 14px 0 40px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14px;
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.login-field input::placeholder { color: var(--ink-2); opacity: .5; }

.login-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.login-error {
  color: var(--danger);
  font-size: 12px;
  min-height: 18px;
  margin-bottom: 2px;
  font-family: var(--font-mono);
}

.login-btn {
  width: 100%;
  height: 44px;
  margin-top: 8px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease), background-color .2s var(--ease);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.login-btn:hover {
  background: var(--accent-hover);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--accent-glow);
}

.login-btn:active {
  transform: translateY(0) scale(.99);
}

/* ========================================
   APP SHELL
   ======================================== */

.app-shell {
  display: flex;
  height: 100vh;
  overflow: hidden;
}

/* ========================================
   SIDEBAR
   ======================================== */

.sidebar {
  width: var(--sidebar-w);
  min-width: var(--sidebar-w);
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: transform .35s var(--ease);
  z-index: 50;
}

.sidebar-brand {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 20px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.sidebar-logo-img {
  max-width: 130px;
  height: auto;
  opacity: .9;
  transition: opacity .25s var(--ease);
}

.sidebar-logo-img:hover { opacity: 1; }

.sidebar-nav {
  flex: 1;
  padding: 16px 10px;
  overflow-y: auto;
}

.nav-section-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  padding: 24px 12px 8px;
  font-weight: 500;
}

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 12px;
  border-radius: var(--radius);
  color: var(--ink-2);
  cursor: pointer;
  transition: background-color .15s var(--ease), color .15s var(--ease);
  font-size: 13px;
  font-weight: 500;
  user-select: none;
  position: relative;
}

.nav-item:hover {
  background: var(--surface-2);
  color: var(--ink);
}

.nav-item.active {
  background: var(--surface-2);
  color: var(--ink);
}

.nav-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 2px;
  background: var(--accent);
  border-radius: 1px;
}

.nav-item i {
  width: 18px;
  text-align: center;
  font-size: 15px;
  opacity: .7;
}

.nav-item.active i { opacity: 1; }

.sidebar-footer {
  border-top: 1px solid var(--border);
  padding: 10px;
  flex-shrink: 0;
  position: relative;
}

.sidebar-user {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border-radius: var(--radius);
  cursor: pointer;
  transition: background-color .15s var(--ease);
  user-select: none;
}

.sidebar-user:hover {
  background: var(--surface-2);
}

.sidebar-user.dropdown-open {
  background: var(--surface-2);
}

.sidebar-user-avatar {
  width: 32px;
  height: 32px;
  background: var(--accent);
  border-radius: 50%;
  display: grid;
  place-items: center;
  color: var(--bg);
  font-size: 13px;
  font-weight: 700;
  font-family: var(--font-display);
  flex-shrink: 0;
}

.sidebar-user-info {
  flex: 1;
  min-width: 0;
}

.sidebar-user-name {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.sidebar-user-role {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.sidebar-user-dots {
  color: var(--ink-2);
  font-size: 12px;
  opacity: .5;
  transition: opacity .2s var(--ease);
}

.sidebar-user:hover .sidebar-user-dots {
  opacity: 1;
}

.sidebar-dropdown {
  position: absolute;
  bottom: calc(100% + 4px);
  left: 10px;
  right: 10px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 8px 32px rgba(0,0,0,.4);
  overflow: hidden;
  opacity: 0;
  transform: translateY(4px);
  pointer-events: none;
  transition: opacity .2s var(--ease), transform .2s var(--ease);
  z-index: 10;
}

.sidebar-dropdown.open {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.dropdown-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  cursor: pointer;
  transition: background-color .15s var(--ease), color .15s var(--ease);
}

.dropdown-item:hover {
  background: var(--surface);
  color: var(--ink);
}

.dropdown-item.danger {
  color: var(--danger);
}

.dropdown-item.danger:hover {
  background: color-mix(in srgb, var(--danger) 10%, transparent);
  color: var(--danger);
}

.dropdown-item i {
  width: 16px;
  text-align: center;
  font-size: 13px;
  opacity: .7;
}

.dropdown-divider {
  height: 1px;
  background: var(--border);
  margin: 0;
}

.sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.6);
  backdrop-filter: blur(4px);
  z-index: 40;
}

/* ========================================
   MAIN AREA
   ======================================== */

.main-area {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
}

.main-header {
  height: var(--header-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  background: color-mix(in srgb, var(--surface) 80%, transparent);
  backdrop-filter: blur(12px);
}

.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--ink);
  font-size: 18px;
  cursor: pointer;
  padding: 4px;
}

.main-header h2 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  flex: 1;
  letter-spacing: -0.01em;
}

.main-content {
  flex: 1;
  overflow-y: auto;
  padding: 32px;
  scroll-behavior: smooth;
}

/* ========================================
   HOME
   ======================================== */

.home-greeting {
  margin-bottom: 40px;
}

.home-greeting .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 8px;
  font-weight: 500;
}

.home-greeting h1 {
  font-family: var(--font-display);
  font-size: clamp(24px, 3vw, 34px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.15;
  margin-bottom: 8px;
}

.home-greeting p {
  color: var(--ink-2);
  font-size: 14px;
  max-width: 480px;
}

.home-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 40px;
}

.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  transition: border-color .2s var(--ease);
}

.stat-card:hover { border-color: var(--border-hover); }

.stat-card .stat-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  font-size: 15px;
  margin-bottom: 14px;
  color: var(--bg);
}

.stat-card .stat-icon.ecu { background: var(--accent); }
.stat-card .stat-icon.imob { background: #FBBF24; }
.stat-card .stat-icon.airbag { background: var(--success); }

.stat-card .stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  margin-bottom: 4px;
}

.stat-card .stat-value {
  font-family: var(--font-display);
  font-size: 26px;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.home-shortcuts-label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-3);
  margin-bottom: 12px;
  font-weight: 500;
}

.home-shortcuts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
}

.shortcut-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  cursor: pointer;
  transition: border-color .2s var(--ease), transform .2s var(--ease), box-shadow .2s var(--ease);
}

.shortcut-card:hover {
  border-color: var(--border-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0,0,0,.25);
}

.shortcut-card .sc-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  display: grid;
  place-items: center;
  font-size: 17px;
  flex-shrink: 0;
  color: var(--bg);
}

.shortcut-card .sc-text h3 {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.shortcut-card .sc-text p {
  font-size: 12px;
  color: var(--ink-2);
}

/* ========================================
   PAGES (ECU / Imobilizador / Airbag)
   ======================================== */

.page-section {
  margin-bottom: 28px;
}

.page-section .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent);
  margin-bottom: 6px;
  font-weight: 500;
}

.page-section h2 {
  font-family: var(--font-display);
  font-size: clamp(20px, 2.5vw, 26px);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: 6px;
}

.page-section p {
  color: var(--ink-2);
  font-size: 13px;
  max-width: 520px;
}

.page-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 28px;
  margin-top: 16px;
}

.page-card h3 {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-card h3 i {
  color: var(--accent);
  font-size: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.form-field label {
  display: block;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  margin-bottom: 6px;
  font-weight: 500;
}

.form-field input,
.form-field select {
  width: 100%;
  height: 42px;
  padding: 0 12px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 13px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.form-field input::placeholder { color: var(--ink-2); opacity: .4; }

.form-field input:focus,
.form-field select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.btn-primary {
  height: 42px;
  padding: 0 24px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: transform .25s var(--ease), box-shadow .25s var(--ease);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 24px var(--accent-glow);
}

.btn-primary:active {
  transform: translateY(0) scale(.98);
}

.result-box {
  margin-top: 20px;
  padding: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  display: none;
}

.result-box.show { display: block; }

.result-box .result-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  margin-bottom: 6px;
}

.result-box .result-value {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.02em;
}

/* ========================================
   ACCOUNT
   ======================================== */

.account-info {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 16px;
}

.account-field {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.account-field .af-label {
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  margin-bottom: 6px;
}

.account-field .af-value {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}

.btn-logout {
  margin-top: 28px;
  height: 42px;
  padding: 0 24px;
  background: transparent;
  color: var(--danger);
  border: 1px solid color-mix(in srgb, var(--danger) 40%, transparent);
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all .25s var(--ease);
}

.btn-logout:hover {
  background: color-mix(in srgb, var(--danger) 12%, transparent);
  border-color: var(--danger);
}

/* ========================================
   ADMIN
   ======================================== */

.admin-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 16px;
}

.admin-table th {
  text-align: left;
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ink-2);
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  font-weight: 500;
}

.admin-table td {
  padding: 12px;
  border-bottom: 1px solid var(--border);
  font-size: 13px;
}

.admin-table tr:hover td {
  background: var(--surface-2);
}

.badge { display: inline-block; padding: 2px 10px; border-radius: 20px; font-family: var(--font-mono); font-size: 10px; font-weight: 500; text-transform: uppercase; letter-spacing: 0.05em; }

.badge.active { background: color-mix(in srgb, var(--success) 15%, transparent); color: var(--success); }
.badge.admin { background: color-mix(in srgb, var(--accent) 15%, transparent); color: var(--accent); }

/* ========================================
   REGISTER
   ======================================== */

.register-header {
  text-align: center;
  margin-bottom: 8px;
}

.register-title {
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  margin-top: 8px;
  margin-bottom: 4px;
}

.register-subtitle {
  font-size: 13px;
  color: var(--ink-2);
  margin-bottom: 24px;
}

/* Register Steps */
.register-steps {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  margin-bottom: 28px;
}

.register-steps .step {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-3);
  transition: color .3s var(--ease);
}

.register-steps .step.active {
  color: var(--accent);
}

.register-steps .step.current {
  color: var(--ink);
}

.register-steps .step span {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--surface-3);
  display: grid;
  place-items: center;
  font-size: 11px;
  font-weight: 700;
  transition: all .3s var(--ease);
}

.register-steps .step.active span {
  background: var(--accent);
  color: var(--bg);
}

.step-line {
  width: 40px;
  height: 1px;
  background: var(--border);
  margin: 0 12px;
}

.register-step-content {
  animation: stepFadeIn .3s var(--ease);
}

@keyframes stepFadeIn {
  from { opacity: 0; transform: translateX(12px); }
  to { opacity: 1; transform: translateX(0); }
}

/* Register Nav */
.register-nav {
  display: flex;
  gap: 10px;
  margin-top: 8px;
}

.btn-back {
  height: 44px;
  padding: 0 16px;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink-2);
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all .2s var(--ease);
}

.btn-back:hover {
  border-color: var(--ink-2);
  color: var(--ink);
}

/* Password Strength */
.pass-strength {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
}

.str-bar {
  flex: 1;
  height: 4px;
  background: var(--surface-3);
  border-radius: 2px;
  overflow: hidden;
}

.str-fill {
  height: 100%;
  border-radius: 2px;
  transition: width .3s var(--ease), background .3s var(--ease);
}

/* Field Hint */
.field-hint {
  font-family: var(--font-mono);
  font-size: 11px;
  margin-top: 6px;
  min-height: 16px;
  color: var(--ink-3);
  transition: color .2s var(--ease);
}

.field-hint.warn { color: var(--warning); }
.field-hint.ok { color: var(--success); }

/* Plan Selector */
.plan-selector {
  margin-bottom: 20px;
}

.plan-selector > label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--ink-2);
  margin-bottom: 10px;
}

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

.plan-option {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  transition: all .2s var(--ease);
  position: relative;
}

.plan-option:hover:not(.disabled) {
  border-color: var(--border-hover);
}

.plan-option.selected {
  border-color: var(--accent);
  background: var(--accent-muted);
}

.plan-option.disabled {
  opacity: .5;
  cursor: not-allowed;
}

.plan-icon {
  width: 36px;
  height: 36px;
  border-radius: 8px;
  background: var(--success-muted);
  display: grid;
  place-items: center;
  color: var(--success);
  font-size: 15px;
  flex-shrink: 0;
}

.plan-icon.pro {
  background: var(--warning-muted);
  color: var(--warning);
}

.plan-info { flex: 1; }

.plan-name {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 2px;
}

.plan-desc {
  font-size: 12px;
  color: var(--ink-2);
}

.plan-check {
  color: var(--accent);
  font-size: 14px;
  opacity: 0;
  transition: opacity .2s var(--ease);
}

.plan-option.selected .plan-check {
  opacity: 1;
}

.badge-soon {
  display: inline-block;
  padding: 1px 8px;
  background: var(--warning-muted);
  color: var(--warning);
  border-radius: 10px;
  font-family: var(--font-mono);
  font-size: 9px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  vertical-align: middle;
  margin-left: 6px;
}

/* Account Plan Banner */
.account-plan-banner {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 24px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  margin-bottom: 16px;
  transition: border-color .2s var(--ease);
}

.account-plan-banner.free {
  border-left: 3px solid var(--success);
}

.account-plan-banner.pro {
  border-left: 3px solid var(--warning);
}

.plan-banner-icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}

.account-plan-banner.free .plan-banner-icon {
  background: var(--success-muted);
  color: var(--success);
}

.account-plan-banner.pro .plan-banner-icon {
  background: var(--warning-muted);
  color: var(--warning);
}

.plan-banner-info { flex: 1; }

.plan-banner-name {
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
}

.plan-banner-desc {
  font-size: 12px;
  color: var(--ink-2);
  margin-top: 2px;
}

.btn-upgrade {
  height: 36px;
  padding: 0 16px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all .2s var(--ease);
  flex-shrink: 0;
}

.btn-upgrade:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

/* ========================================
   LOGIN FOOTER LINKS
   ======================================== */

.login-footer-links {
  text-align: center;
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.login-footer-links a {
  color: var(--accent);
  font-size: 13px;
  font-weight: 500;
  text-decoration: none;
  transition: opacity .15s var(--ease);
}

.login-footer-links a:hover {
  opacity: .8;
}

/* ========================================
   MCP ZONE (agent placeholder)
   ======================================== */

.mcp-zone {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  min-height: 320px;
  position: relative;
}

.mcp-zone-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 320px;
  color: var(--ink-2);
  gap: 12px;
}

.mcp-zone-empty i {
  font-size: 32px;
  opacity: .4;
}

.mcp-zone-empty p {
  font-size: 13px;
}

/* ========================================
   APP FOOTER
   ======================================== */

.app-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 32px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-3);
  flex-shrink: 0;
  user-select: none;
}

.footer-sep {
  opacity: .4;
}

/* ========================================
   HEX EDITOR
   ======================================== */

.hex-toolbar {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 16px;
  padding: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.hex-upload-area {
  display: flex;
  align-items: center;
  gap: 8px;
}

.hex-upload-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  height: 36px;
  padding: 0 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s var(--ease);
}

.hex-upload-btn:hover {
  border-color: var(--accent);
  background: var(--surface-2);
}

.hex-upload-btn i { color: var(--accent); font-size: 13px; }

.hex-filename {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
  max-width: 140px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.hex-mode-switch {
  display: flex;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.hex-mode-btn {
  height: 36px;
  padding: 0 14px;
  background: transparent;
  border: none;
  color: var(--ink-2);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all .2s var(--ease);
  display: flex;
  align-items: center;
  gap: 6px;
}

.hex-mode-btn:hover { color: var(--ink); }

.hex-mode-btn.active {
  background: var(--accent);
  color: var(--bg);
}

.hex-action-btn {
  height: 36px;
  padding: 0 14px;
  background: var(--accent);
  color: var(--bg);
  border: none;
  border-radius: var(--radius);
  font-family: var(--font-display);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all .2s var(--ease);
}

.hex-action-btn:hover:not(:disabled) {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.hex-action-btn:disabled {
  opacity: .4;
  cursor: not-allowed;
}

.hex-info-bar {
  display: flex;
  gap: 24px;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
}

.hex-container {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 300px;
}

.hex-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 300px;
  color: var(--ink-2);
  gap: 12px;
}

.hex-empty i { font-size: 32px; opacity: .3; }
.hex-empty p { font-size: 13px; }

.hex-views {
  display: flex;
  gap: 0;
}

.hex-view {
  flex: 1;
  overflow: auto;
  border-right: 1px solid var(--border);
}

.hex-view:last-child { border-right: none; }

.hex-label {
  position: sticky;
  top: 0;
  z-index: 2;
  padding: 8px 16px;
  background: var(--surface-2);
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--accent);
  font-weight: 500;
}

.hex-scroll {
  overflow: auto;
  max-height: 60vh;
}

.hex-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
}

.hex-table th {
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 1;
  padding: 6px 4px;
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--ink-2);
  font-weight: 500;
  border-bottom: 1px solid var(--border);
}

.hex-table td {
  padding: 2px 4px;
  text-align: center;
  border-bottom: 1px solid rgba(232,236,244,.03);
}

.hex-addr {
  text-align: left !important;
  padding-left: 12px !important;
  color: var(--ink-2);
  font-size: 11px;
  white-space: nowrap;
}

.hex-col { width: 28px; }

.hex-cell {
  cursor: pointer;
  transition: background .15s;
  border-radius: 3px;
  padding: 1px 3px !important;
}

.hex-cell:hover {
  background: var(--accent-glow);
  color: var(--ink);
}

.hex-cell.diff {
  background: rgba(248,113,113,.2);
  color: var(--danger);
  font-weight: 600;
}

.hex-cell.diff:hover {
  background: rgba(248,113,113,.35);
}

.hex-cell.highlight {
  background: var(--accent);
  color: var(--bg);
  animation: hex-pulse .8s ease;
}

.hex-cell.empty {
  color: var(--ink-2);
  opacity: .3;
  cursor: default;
}

.hex-ascii {
  text-align: left !important;
  padding-left: 8px !important;
  color: var(--ink-2);
  font-size: 11px;
  white-space: pre;
  letter-spacing: 0.04em;
}

.hex-edit-input {
  width: 24px;
  height: 18px;
  text-align: center;
  background: var(--bg);
  border: 1px solid var(--accent);
  border-radius: 3px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  outline: none;
  padding: 0;
}

.hex-goto-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 16px;
}

.hex-goto-bar label {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
  white-space: nowrap;
}

.hex-goto-bar input {
  width: 120px;
  height: 36px;
  padding: 0 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 12px;
}

.hex-goto-bar input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.hex-goto-btn {
  width: 36px;
  height: 36px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: all .2s var(--ease);
}

.hex-goto-btn:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.hex-search-bar {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
  padding: 12px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.hex-search-mode {
  display: flex;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  flex-shrink: 0;
}

.hex-search-mode-btn {
  height: 34px;
  padding: 0 12px;
  background: transparent;
  border: none;
  color: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s var(--ease);
  letter-spacing: 0.04em;
}

.hex-search-mode-btn:hover { color: var(--ink); }

.hex-search-mode-btn.active {
  background: var(--accent);
  color: var(--bg);
}

.hex-search-input-wrap {
  flex: 1;
  position: relative;
  min-width: 0;
}

.hex-search-input-wrap i {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-2);
  font-size: 13px;
  pointer-events: none;
  opacity: .5;
}

.hex-search-input-wrap input {
  width: 100%;
  height: 36px;
  padding: 0 12px 0 36px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 13px;
  transition: border-color .25s var(--ease), box-shadow .25s var(--ease);
}

.hex-search-input-wrap input::placeholder { color: var(--ink-2); opacity: .4; }

.hex-search-input-wrap input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-glow);
}

.hex-search-go {
  width: 36px;
  height: 36px;
  background: var(--accent);
  border: none;
  border-radius: var(--radius);
  color: var(--bg);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 13px;
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
  flex-shrink: 0;
}

.hex-search-go:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 16px var(--accent-glow);
}

.hex-search-count {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
  min-width: 100px;
  white-space: nowrap;
}

.hex-pagination {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 12px;
  padding: 10px 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.hex-page-info {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-2);
  min-width: 140px;
  text-align: center;
}

@keyframes hex-pulse {
  0% { box-shadow: 0 0 0 0 var(--accent); }
  50% { box-shadow: 0 0 0 4px var(--accent-glow); }
  100% { box-shadow: 0 0 0 0 transparent; }
}

/* ========================================
   RESPONSIVE
   ======================================== */

@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    left: 0;
    top: 0;
    bottom: 0;
    transform: translateX(-100%);
  }

  .sidebar.open { transform: translateX(0); }
  .sidebar.open ~ .sidebar-overlay { display: block; }
  .menu-toggle { display: block; }

  .main-content { padding: 24px 18px; }

  .home-stats { grid-template-columns: 1fr; }
  .home-shortcuts { grid-template-columns: 1fr; }
  .form-grid { grid-template-columns: 1fr; }
  .account-info { grid-template-columns: 1fr; }
  .hex-toolbar { flex-direction: column; align-items: stretch; }
  .hex-mode-switch { width: 100%; }
  .hex-mode-btn { flex: 1; justify-content: center; }
  .hex-action-btn { margin-left: 0; width: 100%; justify-content: center; }
  .hex-views { flex-direction: column; }
  .hex-view { border-right: none; border-bottom: 1px solid var(--border); }
  .hex-search-bar { flex-wrap: wrap; }
  .hex-search-input-wrap { flex: 1 1 100%; min-width: 100%; order: 1; }
  .hex-search-mode { order: 0; }
  .hex-search-go { order: 2; }
  .hex-search-count { order: 3; min-width: auto; }
  .hex-pagination { justify-content: center; }
}

/* ========================================
   MOTION — scroll reveal
   ======================================== */

[data-reveal] {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity .45s var(--ease), transform .45s var(--ease);
}

[data-reveal].is-visible {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal="fade"] {
  transform: none;
}

[data-reveal="scale"] {
  transform: scale(.96);
}

[data-reveal="scale"].is-visible {
  transform: scale(1);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  [data-reveal] { opacity: 1 !important; transform: none !important; }
}