/* --------------------------------------------------------------------------
   AlgoTrader Design System
   -------------------------------------------------------------------------- */
:root {
  --color-ink: #10233b;
  --color-ink-soft: #27415f;
  --color-muted: #64748b;
  --color-page: #f4f7fb;
  --color-surface: #ffffff;
  --color-surface-muted: #fbfdff;
  --color-line: #dce5f0;
  --color-line-strong: #c7d6e7;
  --color-brand: #234dc5;
  --color-brand-dark: #163892;
  --color-brand-soft: #eaf0ff;
  --color-teal: #0d9488;
  --color-green: #15803d;
  --color-green-soft: #dcfce7;
  --color-red: #b91c1c;
  --color-red-soft: #fff1f2;
  --color-warning-soft: #fffbeb;
  --color-overlay: rgba(10, 24, 45, 0.58);
  --shadow-soft: 0 5px 20px rgba(25, 50, 90, 0.05);
  --shadow-card: 0 18px 45px rgba(27, 52, 93, 0.1);
  --shadow-dialog: 0 28px 80px rgba(15, 35, 65, 0.3);
  --radius-sm: 10px;
  --radius-md: 14px;
  --radius-lg: 18px;
  --radius-xl: 28px;
  --page-max-width: 1280px;
  --content-max-width: 980px;
  --header-height: 76px;
}

/* --------------------------------------------------------------------------
   Base
   -------------------------------------------------------------------------- */
* { box-sizing: border-box; }
html { min-height: 100%; background: var(--color-page); }
body {
  min-height: 100vh;
  margin: 0;
  color: var(--color-ink);
  background: var(--color-page);
  font-family: Inter, ui-sans-serif, system-ui, sans-serif;
  line-height: 1.5;
}
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  min-height: var(--header-height);
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 14px clamp(20px, 5vw, 74px);
  border-bottom: 1px solid var(--color-line);
  background: rgba(255,255,255,0.93);
  backdrop-filter: blur(10px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 11px;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.brand small {
  display: block;
  margin-top: -2px;
  color: var(--color-muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.brand-mark {
  display: grid;
  width: 36px;
  height: 36px;
  place-items: center;
  border-radius: 12px;
  color: #fff;
  background: linear-gradient(135deg, #2563eb, #0f766e);
  box-shadow: 0 7px 18px rgba(37,99,235,0.28);
}
.page-shell {
  max-width: var(--page-max-width);
  min-height: calc(100vh - var(--header-height));
  margin: 0 auto;
  padding: 42px clamp(20px, 5vw, 74px) 72px;
}

/* --------------------------------------------------------------------------
   Header Actions
   -------------------------------------------------------------------------- */
.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}
.header-text-link {
  padding: 8px 10px;
  color: var(--color-ink-soft);
  font-size: 0.84rem;
  font-weight: 800;
  white-space: nowrap;
}
.header-text-link:hover { color: var(--color-brand); }
.header-signup-button {
  min-height: 38px;
  padding: 8px 13px;
  color: #fff;
  background: var(--color-brand);
  font-size: 0.82rem;
  border: 0;
  border-radius: var(--radius-sm);
  font-weight: 800;
  cursor: pointer;
}
.account-summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 8px 5px 5px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface);
}
.account-avatar {
  display: grid;
  width: 29px;
  height: 29px;
  place-items: center;
  border-radius: 50%;
  color: #fff;
  background: linear-gradient(135deg, var(--color-brand), var(--color-teal));
  font-size: 0.77rem;
  font-weight: 900;
}
.account-summary-copy small {
  color: var(--color-muted);
  font-size: 0.62rem;
  font-weight: 700;
}
.account-summary-copy strong {
  max-width: 100px;
  overflow: hidden;
  font-size: 0.76rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* --------------------------------------------------------------------------
   Token Status
   -------------------------------------------------------------------------- */
.token-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 11px;
  border: 1px solid var(--color-line);
  border-radius: 999px;
  background: var(--color-surface);
  font-size: 0.78rem;
  font-weight: 750;
  white-space: nowrap;
}
.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #f59e0b;
}
.token-status.is-active {
  border-color: #bbf7d0;
  color: var(--color-green);
  background: #f0fdf4;
}
.token-status.is-active .status-dot { background: #22c55e; }
.token-status.is-inactive {
  border-color: #fecaca;
  color: var(--color-red);
  background: #fff7f7;
}
.token-status.is-inactive .status-dot { background: #ef4444; }

/* --------------------------------------------------------------------------
   Reusable
   -------------------------------------------------------------------------- */
.eyebrow {
  display: block;
  color: var(--color-teal);
  font-size: 0.73rem;
  font-weight: 800;
  letter-spacing: 0.11em;
  text-transform: uppercase;
}
.positive { color: var(--color-green); }
.negative { color: var(--color-red); }
.back-link {
  display: inline-block;
  margin-bottom: 22px;
  color: var(--color-brand);
  font-size: 0.88rem;
  font-weight: 800;
}
.back-link:hover { color: var(--color-brand-dark); }
.page-heading { max-width: 820px; margin-bottom: 32px; }
.page-heading.compact { margin-bottom: 24px; }
.page-heading h1 {
  margin: 8px 0;
  font-size: clamp(2rem, 4vw, 3.4rem);
  letter-spacing: -0.05em;
}
.page-heading p { margin: 0; color: var(--color-muted); }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.button {
  display: inline-flex;
  min-height: 42px;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 15px;
  border: 0;
  border-radius: var(--radius-sm);
  font-weight: 800;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease;
}
.button:hover { transform: translateY(-1px); }
.button-primary {
  color: #fff;
  background: var(--color-brand);
}
.button-primary:hover { background: var(--color-brand-dark); }
.button-secondary {
  color: var(--color-brand-dark);
  background: var(--color-brand-soft);
}
.button-secondary:hover { background: #dce7ff; }
.button-large {
  min-height: 52px;
  padding: 14px 19px;
  font-size: 0.98rem;
}
.btn {
  padding: 10px 24px;
  border: none;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}
.btn-primary {
  background: var(--color-brand);
  color: #fff;
  box-shadow: 0 4px 14px rgba(35,77,197,0.25);
}
.btn-primary:hover {
  background: var(--color-brand-dark);
  transform: translateX(2px);
}
.btn-secondary {
  background: #e8ecf2;
  color: var(--color-ink-soft);
}
.btn-secondary:hover {
  background: #dce1e8;
  transform: translateX(-2px);
}
.btn-success {
  background: #0d9488;
  color: #fff;
  box-shadow: 0 4px 14px rgba(13,148,136,0.3);
}
.btn-success:hover {
  background: #0f766e;
  transform: scale(1.02);
}

/* --------------------------------------------------------------------------
   Home Page - Beautiful Redesign
   -------------------------------------------------------------------------- */
.hero {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 40px;
  padding: clamp(40px, 6vw, 70px);
  border-radius: var(--radius-xl);
  color: #f8fbff;
  background: radial-gradient(circle at 85% 10%, rgba(45,212,191,0.25), transparent 40%),
              radial-gradient(circle at 10% 95%, rgba(96,165,250,0.3), transparent 40%),
              linear-gradient(145deg, #0a1e3d, #1a3a6a 55%, #0d766e);
  box-shadow: var(--shadow-card);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -20%;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: rgba(45,212,191,0.05);
  pointer-events: none;
}

.hero .eyebrow {
  color: #8be6df;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
}
.hero h1 {
  max-width: 600px;
  margin: 16px 0 20px;
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  line-height: 1.05;
  letter-spacing: -0.055em;
}
.hero h1 em {
  color: #8be6df;
  font-style: normal;
  position: relative;
}
.hero h1 em::after {
  content: '';
  position: absolute;
  bottom: 4px;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(139, 230, 223, 0.3);
  border-radius: 2px;
}
.hero p {
  max-width: 540px;
  margin: 0;
  color: #dce9fb;
  font-size: 1.05rem;
  line-height: 1.7;
}
.hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}
.hero-points span {
  padding: 8px 14px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 999px;
  background: rgba(255,255,255,0.06);
  font-size: 0.82rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
}

.hero-panel {
  display: grid;
  gap: 14px;
  align-content: center;
}
.hero-metric {
  padding: 22px 24px;
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius-md);
  background: rgba(8,24,52,0.25);
  backdrop-filter: blur(4px);
  transition: transform 0.3s ease, background 0.3s ease;
}
.hero-metric:hover {
  transform: translateY(-3px);
  background: rgba(8,24,52,0.4);
}
.hero-metric strong {
  display: block;
  font-size: 2rem;
  letter-spacing: -0.04em;
  color: #8be6df;
}
.hero-metric span {
  color: #b8d4f0;
  font-size: 0.88rem;
  font-weight: 500;
}

/* Section Heading */
.section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin: 60px 0 28px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--color-line);
}
.section-heading h2 {
  margin: 7px 0 0;
  font-size: 1.8rem;
  letter-spacing: -0.035em;
}
.section-heading p {
  max-width: 420px;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

/* Strategy Grid */
.strategy-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.strategy-card {
  display: flex;
  flex-direction: column;
  padding: 28px;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
  transition: transform 0.25s ease, box-shadow 0.25s ease;
  position: relative;
  overflow: hidden;
}
.strategy-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-brand), var(--color-teal));
  opacity: 0;
  transition: opacity 0.3s ease;
}
.strategy-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.strategy-card:hover::before { opacity: 1; }
.strategy-card .card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.strategy-icon {
  display: grid;
  width: 44px;
  height: 44px;
  place-items: center;
  border-radius: 14px;
  color: #fff;
  background: linear-gradient(135deg, #0f766e, #2563eb);
  font-weight: 900;
  font-size: 1.1rem;
}
.tag {
  padding: 5px 10px;
  border-radius: 999px;
  color: var(--color-brand-dark);
  background: #e8efff;
  font-size: 0.7rem;
  font-weight: 800;
}
.strategy-card h3 {
  margin: 20px 0 10px;
  font-size: 1.3rem;
  letter-spacing: -0.025em;
}
.strategy-card p {
  margin: 0 0 16px;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.6;
  flex: 1;
}
.strategy-card .card-meta {
  display: flex;
  gap: 16px;
  margin-bottom: 18px;
  color: var(--color-muted);
  font-size: 0.78rem;
}
.strategy-card .card-meta span {
  display: flex;
  align-items: center;
  gap: 4px;
}
.strategy-card .button {
  align-self: flex-start;
  margin-top: auto;
}

/* Workflow Card */
.workflow-card {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 32px;
  margin-top: 52px;
  padding: 32px 40px;
  border: 1px solid #cce5e6;
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, #f0fdfa, #eff6ff);
}
.workflow-card .eyebrow { color: #0d6d67; }
.workflow-card h2 {
  margin: 6px 0 0;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}
.workflow-card ol {
  margin: 0;
  padding-left: 24px;
  color: var(--color-ink-soft);
  font-size: 0.95rem;
  line-height: 1.8;
}
.workflow-card li + li { margin-top: 6px; }
.workflow-card li::marker {
  color: var(--color-teal);
  font-weight: 700;
}

/* --------------------------------------------------------------------------
   Strategy Form - Date Picker Fix
   -------------------------------------------------------------------------- */
.date-input-wrapper {
  position: relative;
  width: 100%;
  cursor: pointer;
}

.date-input-wrapper input[type="date"] {
  width: 100%;
  min-height: 48px;
  padding: 10px 44px 10px 14px;
  border: 2px solid #dce5f0;
  border-radius: 10px;
  font-size: 0.95rem;
  background: #fff;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--color-ink);
  appearance: none;
  -webkit-appearance: none;
}

.date-input-wrapper input[type="date"]:hover {
  border-color: #b0c4dd;
}

.date-input-wrapper input[type="date"]:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 4px rgba(35,77,197,0.1);
  outline: none;
}

/* Custom calendar icon - visible and clickable */
.date-input-wrapper .calendar-icon {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  border-radius: 6px;
  color: #6c757d;
  font-size: 1rem;
  transition: all 0.2s ease;
  pointer-events: none;
  background: transparent;
}

.date-input-wrapper .calendar-icon:hover {
  color: var(--color-brand);
}

/* Chrome/Safari - make the native picker indicator invisible but clickable */
.date-input-wrapper input[type="date"]::-webkit-calendar-picker-indicator {
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  width: 36px;
  height: 36px;
  cursor: pointer;
  opacity: 0;
  z-index: 2;
}

/* Firefox */
.date-input-wrapper input[type="date"]::-moz-focus-inner {
  border: 0;
}

.date-input-wrapper input[type="date"]::-moz-placeholder {
  color: #6c757d;
}

/* Edge */
.date-input-wrapper input[type="date"]::-ms-clear,
.date-input-wrapper input[type="date"]::-ms-reveal {
  display: none;
}

/* --------------------------------------------------------------------------
   Strategy Form - Rest of styles
   -------------------------------------------------------------------------- */
.strategy-page-heading {
  max-width: var(--content-max-width);
  margin: 0 auto 30px;
  text-align: center;
}
.strategy-header-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.strategy-page-heading .back-link {
  float: none;
  margin: 0;
  padding: 8px 16px;
  border-radius: 8px;
  background: #f1f4f9;
  font-size: 0.85rem;
  transition: all 0.2s ease;
}
.strategy-page-heading .back-link:hover {
  background: #e5e9f0;
  transform: translateX(-2px);
}
.strategy-actions {
  display: flex;
  gap: 10px;
}
.action-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border: none;
  border-radius: 8px;
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
}
.action-btn-doc {
  color: var(--color-brand-dark);
  background: var(--color-brand-soft);
}
.action-btn-doc:hover {
  background: #d4e2ff;
  transform: translateY(-1px);
}
.action-btn-download {
  color: #0d6d67;
  background: #d6f6f0;
}
.action-btn-download:hover {
  background: #c0efe6;
  transform: translateY(-1px);
}
.action-icon { font-size: 1rem; }

.strategy-hero-content { max-width: 780px; margin: 0 auto; }
.strategy-description {
  max-width: 660px;
  margin: 8px auto 0;
  font-size: 1rem;
  color: var(--color-ink-soft);
}
.strategy-meta-tags {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
  margin-top: 16px;
}
.strategy-meta-tags span {
  padding: 6px 14px;
  border-radius: 20px;
  background: rgba(255,255,255,0.85);
  color: var(--color-ink-soft);
  font-size: 0.78rem;
  font-weight: 600;
  border: 1px solid #e2e8f0;
}
.strategy-workspace {
  width: min(100%, 1080px);
  margin: 0 auto;
}
.strategy-form {
  overflow: hidden;
  border: 1px solid #d4e2ef;
  border-radius: 22px;
  background: var(--color-surface);
  box-shadow: 0 22px 60px rgba(25,50,90,0.11);
}

/* Form Header */
.form-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 36px;
  background: linear-gradient(135deg, #0a2a4a, #1a4a7a 60%, #0d766e);
  color: #fff;
}
.form-header .eyebrow { color: #9fe8df; font-size: 0.7rem; }
.form-header h2 {
  margin: 4px 0 0;
  color: #fff;
  font-size: 1.5rem;
  letter-spacing: -0.03em;
}
.form-header p {
  margin: 6px 0 0;
  color: #d0e4f5;
  font-size: 0.92rem;
  max-width: 580px;
}
.form-step-badge {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 72px;
  min-height: 72px;
  padding: 8px 16px;
  border: 2px solid rgba(255,255,255,0.25);
  border-radius: 16px;
  background: rgba(255,255,255,0.08);
  text-align: center;
}
.form-step-badge .step-number {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1;
}
.form-step-badge .step-label {
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #d0e4f5;
  margin-top: 2px;
}

/* Step Progress */
.step-progress {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px 36px;
  background: #f8fafc;
  border-bottom: 1px solid var(--color-line);
}
.step-progress-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 20px;
  border: none;
  border-radius: 12px;
  background: transparent;
  cursor: pointer;
  transition: all 0.25s ease;
  font: inherit;
  color: var(--color-muted);
}
.step-progress-item:hover { background: #edf2f7; }
.step-progress-item.active {
  background: #e8efff;
  color: var(--color-brand-dark);
}
.step-progress-item .step-circle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: #e2e8f0;
  color: var(--color-muted);
  font-size: 0.8rem;
  font-weight: 700;
  transition: all 0.25s ease;
  flex-shrink: 0;
}
.step-progress-item.active .step-circle {
  background: var(--color-brand);
  color: #fff;
  box-shadow: 0 4px 12px rgba(35,77,197,0.3);
}
.step-progress-item .step-info .step-label {
  display: block;
  font-size: 0.6rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-muted);
}
.step-progress-item .step-info strong {
  font-size: 0.85rem;
  font-weight: 700;
}
.step-progress-item.active .step-info strong { color: var(--color-brand-dark); }
.step-connector {
  width: 40px;
  height: 2px;
  background: var(--color-line);
  flex-shrink: 0;
}
.step-progress-item.active + .step-connector { background: var(--color-brand); }

/* Form Sections */
.form-section {
  padding: 28px 36px;
  border: none;
  border-bottom: 1px solid var(--color-line);
}
.section-header {
  display: flex;
  gap: 16px;
  margin-bottom: 20px;
}
.section-header .section-number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--color-brand-soft);
  color: var(--color-brand-dark);
  font-size: 0.8rem;
  font-weight: 800;
  flex-shrink: 0;
}
.section-header legend {
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--color-ink);
  padding: 0;
}
.section-header .section-description {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 0.88rem;
  max-width: 650px;
}

/* Form Fields */
.field-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 21px;
}
.field-group label {
  color: #183652;
  font-size: 0.9rem;
  font-weight: 800;
}
.field-group small {
  color: var(--color-muted);
  font-size: 0.78rem;
  line-height: 1.45;
}
.field-group input[type="date"],
.field-group input[type="number"] {
  width: 100%;
  min-height: 50px;
  padding: 10px 12px;
  border: 1px solid #c8d7e7;
  border-radius: 11px;
  outline: none;
  color: var(--color-ink);
  background: #fff;
  font-size: 0.94rem;
}
.field-group input:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 3px rgba(37,99,235,0.12);
}
.field-error {
  color: var(--color-red);
  font-size: 0.78rem;
  font-weight: 700;
}
.form-errors {
  margin: 22px 30px 0;
  padding: 12px 14px;
  border: 1px solid #fecaca;
  border-radius: var(--radius-sm);
  background: var(--color-red-soft);
  color: var(--color-red);
  font-size: 0.78rem;
  font-weight: 700;
}

/* Date Group */
.date-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-top: 20px;
}
.date-group .field-group { margin-top: 0; }

/* Checkbox Grid */
.checkbox-grid ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 2px solid #e2e8f0;
  border-radius: 10px;
  background: #fafcff;
  cursor: pointer;
  font-weight: 600;
  font-size: 0.85rem;
  transition: all 0.2s ease;
  color: var(--color-ink-soft);
}
.checkbox-grid label:hover {
  border-color: #b0c4dd;
  background: #f4f8ff;
}
.checkbox-grid label:has(input:checked) {
  border-color: var(--color-brand);
  background: #eff5ff;
  color: var(--color-brand-dark);
  box-shadow: 0 0 0 3px rgba(35,77,197,0.08);
}
.checkbox-grid input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--color-brand);
  cursor: pointer;
}

/* Sizing Container */
.sizing-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 24px;
  align-items: start;
}
.sizing-field { margin-top: 0; }
.sizing-field input[type="number"] {
  width: 100%;
  min-height: 48px;
  padding: 10px 14px;
  border: 2px solid #dce5f0;
  border-radius: 10px;
  font-size: 0.95rem;
  background: #fff;
  transition: all 0.2s ease;
}
.sizing-field input[type="number"]:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 4px rgba(35,77,197,0.1);
  outline: none;
}
.capital-info-card {
  display: flex;
  gap: 16px;
  padding: 20px 24px;
  border: 2px solid #cce5e6;
  border-radius: 14px;
  background: linear-gradient(135deg, #f0fdfa, #f5f9ff);
}
.capital-info-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 12px;
  background: #d6f6f0;
  color: #0d6d67;
  font-size: 1.2rem;
  font-weight: 900;
}
.capital-info-content .capital-info-label {
  display: block;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0d6d67;
  font-weight: 800;
}
.capital-info-content strong {
  display: block;
  font-size: 1rem;
  margin: 2px 0;
  color: var(--color-ink);
}
.capital-info-content p {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

/* Params Grid */
.params-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px 30px;
}
.params-grid .field-group { margin-top: 0; }
.params-grid input[type="number"] {
  width: 100%;
  min-height: 44px;
  padding: 8px 12px;
  border: 2px solid #dce5f0;
  border-radius: 10px;
  font-size: 0.9rem;
  background: #fff;
  transition: all 0.2s ease;
}
.params-grid input[type="number"]:focus {
  border-color: var(--color-brand);
  box-shadow: 0 0 0 4px rgba(35,77,197,0.1);
  outline: none;
}

/* Checkbox Toggle */
.checkbox-toggle {
  display: flex;
  align-items: center;
  gap: 12px;
  cursor: pointer;
  padding: 8px 0;
}
.checkbox-toggle input[type="checkbox"] { display: none; }
.checkbox-toggle .toggle-slider {
  position: relative;
  width: 44px;
  height: 24px;
  border-radius: 12px;
  background: #d1d5db;
  transition: all 0.3s ease;
  flex-shrink: 0;
}
.checkbox-toggle .toggle-slider::after {
  content: '';
  position: absolute;
  top: 2px;
  left: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: #fff;
  transition: all 0.3s ease;
  box-shadow: 0 1px 4px rgba(0,0,0,0.15);
}
.checkbox-toggle input:checked + .toggle-slider { background: var(--color-brand); }
.checkbox-toggle input:checked + .toggle-slider::after { left: 22px; }
.checkbox-toggle .toggle-label {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-ink);
}

/* Step Navigation */
.step-navigation {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 36px;
  background: #f8fafc;
  border-top: 1px solid #e2e8f0;
}
.step-navigation-right {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

/* Form Footer */
.form-footer {
  padding: 18px 36px 24px;
  background: linear-gradient(180deg, #fbfdff, #f4f8fd);
  border-top: 1px solid var(--color-line);
}
.form-footer .eyebrow { font-size: 0.65rem; }
.form-footer p {
  margin: 4px 0 0;
  color: var(--color-muted);
  font-size: 0.82rem;
  max-width: 600px;
}

/* --------------------------------------------------------------------------
   Strategy Info Dialog
   -------------------------------------------------------------------------- */
.strategy-info-dialog {
  width: min(860px, calc(100vw - 32px));
  max-height: min(820px, calc(100vh - 32px));
  padding: 0;
  overflow: hidden;
  border: none;
  border-radius: 20px;
  background: #fff;
  box-shadow: var(--shadow-dialog);
}
.strategy-info-dialog::backdrop {
  background: var(--color-overlay);
  backdrop-filter: blur(6px);
}
.dialog-inner {
  padding: 32px 36px 28px;
  max-height: calc(100vh - 32px);
  overflow-y: auto;
}
.dialog-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding-bottom: 20px;
  border-bottom: 2px solid #f0f4f9;
}
.dialog-header-left { flex: 1; }
.dialog-eyebrow {
  display: block;
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #0d9488;
}
.dialog-header h2 {
  margin: 4px 0 0;
  font-size: 1.8rem;
  font-weight: 700;
  letter-spacing: -0.03em;
  color: #0a2a4a;
}
.dialog-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border: 1px solid #e2e8f0;
  border-radius: 50%;
  background: #f8fafc;
  font-size: 1.2rem;
  color: #64748b;
  cursor: pointer;
  transition: all 0.2s ease;
}
.dialog-close:hover {
  background: #fef2f2;
  border-color: #fca5a5;
  color: #dc2626;
}
.dialog-hero { padding: 20px 0 16px; }
.dialog-summary {
  margin: 0;
  font-size: 1.02rem;
  line-height: 1.7;
  color: #1e293b;
  padding: 16px 20px;
  background: #f8fafc;
  border-radius: 12px;
  border-left: 4px solid #0d9488;
}
.dialog-section { margin-top: 24px; }
.dialog-section-title {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-size: 1rem;
  font-weight: 700;
  color: #0a2a4a;
}
.dialog-flow {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.dialog-flow-item {
  display: grid;
  grid-template-columns: 36px 1fr;
  gap: 14px;
  align-items: start;
  padding: 14px 18px;
  background: #fafcff;
  border-radius: 12px;
  border: 1px solid #eef2f6;
  transition: border-color 0.2s ease;
}
.dialog-flow-item:hover { border-color: #cbd5e1; }
.flow-number {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: linear-gradient(135deg, #2563eb, #0d9488);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  flex-shrink: 0;
}
.flow-content strong {
  display: block;
  font-size: 0.92rem;
  color: #0a2a4a;
}
.flow-content p {
  margin: 3px 0 0;
  font-size: 0.85rem;
  color: #64748b;
  line-height: 1.5;
}
.dialog-rules-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 20px;
}
.dialog-rules-card {
  padding: 18px 20px 14px;
  border-radius: 12px;
  border: 1px solid #eef2f6;
}
.dialog-rules-entry {
  background: #f0fdf4;
  border-color: #bbf7d0;
}
.dialog-rules-exit {
  background: #fef2f2;
  border-color: #fecaca;
}
.rules-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 10px;
}
.rules-icon { font-size: 1.1rem; }
.rules-header h3 {
  margin: 0;
  font-size: 0.88rem;
  font-weight: 700;
  color: #0a2a4a;
}
.dialog-list {
  margin: 0;
  padding-left: 20px;
  font-size: 0.84rem;
  color: #334155;
  line-height: 1.6;
}
.dialog-list li + li { margin-top: 4px; }
.dialog-note {
  display: flex;
  gap: 12px;
  margin-top: 20px;
  padding: 14px 18px;
  background: #fffbeb;
  border-radius: 10px;
  border: 1px solid #fde68a;
}
.note-icon { font-size: 1.1rem; flex-shrink: 0; }
.dialog-note div {
  font-size: 0.85rem;
  color: #78350f;
  line-height: 1.5;
}
.dialog-note strong { color: #92400e; }
.dialog-footer {
  display: flex;
  justify-content: space-between;
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px solid #eef2f6;
  font-size: 0.75rem;
  color: #94a3b8;
}
.dialog-version { font-weight: 600; color: #64748b; }

/* --------------------------------------------------------------------------
   Download Dialog
   -------------------------------------------------------------------------- */
.download-dialog {
  width: min(440px, calc(100vw - 32px));
  padding: 0;
  border: none;
  border-radius: 16px;
  background: #fff;
  box-shadow: 0 30px 80px rgba(0,0,0,0.2);
}
.download-dialog::backdrop {
  background: rgba(10,24,45,0.4);
  backdrop-filter: blur(4px);
}
.download-dialog-inner {
  padding: 32px 28px 28px;
  text-align: center;
}
.download-dialog-icon { font-size: 3rem; margin-bottom: 12px; }
.download-dialog h3 {
  margin: 0 0 8px;
  font-size: 1.3rem;
  color: #0a2a4a;
}
.download-dialog p {
  margin: 0 0 20px;
  font-size: 0.92rem;
  color: #475569;
  line-height: 1.6;
}
.download-dialog-actions {
  display: flex;
  justify-content: center;
  gap: 12px;
}
.download-dialog-actions .btn {
  padding: 10px 32px;
  border: none;
  border-radius: 10px;
  font-weight: 700;
  cursor: pointer;
  transition: all 0.2s ease;
}

/* --------------------------------------------------------------------------
   Results Dashboard
   -------------------------------------------------------------------------- */
.metric-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 20px;
  margin-bottom: 24px;
}
.metric-card {
  background: #fff;
  padding: 20px 24px;
  border-radius: 12px;
  border: 1px solid #e9ecef;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
  cursor: default;
}
.metric-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}
.metric-card span {
  display: block;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #6c757d;
  font-weight: 500;
  margin-bottom: 4px;
}
.metric-card strong {
  display: block;
  font-size: 28px;
  font-weight: 600;
  color: #212529;
  line-height: 1.2;
}
.metric-card small {
  display: block;
  font-size: 11px;
  color: #6c757d;
  margin-top: 4px;
}
.metric-card strong.positive { color: #28a745; }
.metric-card strong.negative { color: #dc3545; }
.metric-card-pnl { border-left: 4px solid #28a745; }
.metric-card-pnl strong.negative { border-left-color: #dc3545; }
.metric-card-gross-pnl { border-left: 4px solid #6c757d; }
.metric-card-gross-pnl strong.positive { border-left-color: #28a745; }
.metric-card-gross-pnl strong.negative { border-left-color: #dc3545; }
.metric-card-brokerage { border-left: 4px solid #17a2b8; }
.metric-card-required { border-left: 4px solid #ffc107; }

/* Toggle Trigger */
.toggle-trigger {
  cursor: pointer;
  transition: background 0.2s ease, transform 0.2s ease;
}
.toggle-trigger:hover {
  background: #f8fafc;
  transform: translateY(-2px);
}
.toggle-trigger .toggle-icon {
  display: inline-block;
  font-size: 12px;
  color: var(--color-muted);
  margin-left: 6px;
  transition: transform 0.3s ease;
}
.toggle-trigger.expanded .toggle-icon { transform: rotate(180deg); }

/* Capital Model */
.capital-model-card {
  margin-bottom: 24px;
  overflow: hidden;
  border: 1px solid #c7e4e1;
  border-radius: var(--radius-lg);
  background: linear-gradient(145deg, #f1fcfa, #f7faff 65%, #fff);
  box-shadow: var(--shadow-soft);
}
.capital-model-intro {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 22px 24px;
  border-bottom: 1px solid #dbeceb;
}
.capital-model-badge {
  display: grid;
  width: 54px;
  height: 54px;
  flex: 0 0 auto;
  place-items: center;
  border-radius: 16px;
  color: #0d6d67;
  background: #d6f6f0;
  font-size: 1.1rem;
  font-weight: 900;
}
.capital-model-intro h2 {
  margin: 4px 0 0;
  font-size: 1.15rem;
  letter-spacing: -0.025em;
}
.capital-model-intro p {
  margin: 5px 0 0;
  color: var(--color-ink-soft);
  font-size: 0.87rem;
}
.capital-model-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
}
.capital-model-stats > div {
  padding: 17px 20px;
  border-right: 1px solid #dbeceb;
}
.capital-model-stats > div:last-child { border-right: 0; }
.capital-model-stats span {
  display: block;
  color: var(--color-muted);
  font-size: 0.71rem;
  font-weight: 850;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}
.capital-model-stats strong {
  display: block;
  margin-top: 8px;
  color: var(--color-ink);
  font-size: 0.98rem;
  letter-spacing: -0.015em;
}
.capital-model-footnote {
  margin: 0;
  padding: 13px 24px 17px;
  color: var(--color-muted);
  font-size: 0.78rem;
  line-height: 1.55;
}

/* Charge Breakdown */
.charge-breakdown-card {
  background: #f8f9fa;
  border-radius: 8px;
  padding: 24px;
  margin-bottom: 24px;
}
.charge-breakdown-header { margin-bottom: 16px; }
.charge-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin: 16px 0;
}
.charge-item {
  background: #fff;
  padding: 12px 16px;
  border-radius: 6px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.1);
}
.charge-item span {
  display: block;
  font-size: 12px;
  color: #6c757d;
}
.charge-item strong {
  font-size: 18px;
  display: block;
  margin: 4px 0;
}
.charge-item small {
  font-size: 10px;
  color: #adb5bd;
}
.charge-breakdown-total {
  text-align: right;
  font-size: 16px;
  padding-top: 12px;
  border-top: 2px solid #dee2e6;
}
.charge-breakdown-total strong { font-size: 20px; color: #495057; }

/* --------------------------------------------------------------------------
   Tables
   -------------------------------------------------------------------------- */
.table-card {
  margin-top: 18px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}
.table-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--color-line);
}
.table-heading h2 {
  margin: 7px 0 0;
  font-size: 1.65rem;
  letter-spacing: -0.035em;
}
.table-heading > span {
  color: var(--color-muted);
  font-size: 0.82rem;
}
.table-scroll { overflow-x: auto; }
table {
  width: 100%;
  border-collapse: collapse;
  white-space: nowrap;
}
th, td {
  padding: 13px 16px;
  border-bottom: 1px solid #edf2f7;
  text-align: left;
  font-size: 0.86rem;
}
th {
  color: var(--color-muted);
  background: var(--color-surface-muted);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}
tr:last-child td { border-bottom: 0; }
tbody tr:hover td { background: #fbfdff; }
.table-link {
  color: var(--color-brand);
  font-weight: 800;
}
.empty-cell {
  padding: 28px;
  color: var(--color-muted);
  text-align: center;
}
.signal {
  display: inline-block;
  padding: 4px 7px;
  border-radius: 999px;
  font-size: 0.7rem;
  font-weight: 900;
}
.signal.buy { color: #166534; background: var(--color-green-soft); }
.signal.sell { color: #9f1239; background: #ffe4e6; }
.capital-cell, .brokerage-cell, .charges-cell {
  color: #495057;
  font-weight: 500;
}

/* --------------------------------------------------------------------------
   Chart
   -------------------------------------------------------------------------- */
.chart-card {
  padding: 12px;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}
.chart-utility-note {
  margin: 4px 6px 8px;
  color: var(--color-muted);
  font-size: 0.78rem;
}
.results-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 24px 0 15px;
}
.results-toolbar p {
  margin: 3px 0 0;
  color: var(--color-muted);
  font-size: 0.86rem;
}

/* --------------------------------------------------------------------------
   Loading Overlay
   -------------------------------------------------------------------------- */
.run-overlay {
  position: fixed;
  z-index: 100;
  inset: 0;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 20px;
  background: var(--color-overlay);
  backdrop-filter: blur(4px);
}
.run-overlay.show { display: flex; }
.run-dialog {
  width: min(440px, 100%);
  padding: 32px;
  border-radius: var(--radius-lg);
  color: #fff;
  background: #12254a;
  box-shadow: 0 22px 60px rgba(0,0,0,0.28);
  text-align: center;
}
.run-dialog h2 { margin: 16px 0 7px; }
.run-dialog p { margin: 0; color: #cad8ef; }
.spinner {
  width: 42px;
  height: 42px;
  margin: auto;
  border: 4px solid rgba(255,255,255,0.25);
  border-top-color: #59e5d5;
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------------------
   Auth Pages
   -------------------------------------------------------------------------- */
.auth-layout {
  display: grid;
  grid-template-columns: 1fr minmax(360px, 470px);
  max-width: 1080px;
  min-height: 620px;
  margin: 24px auto 0;
  overflow: hidden;
  border: 1px solid #cedced;
  border-radius: var(--radius-xl);
  background: var(--color-surface);
  box-shadow: var(--shadow-card);
}
.auth-intro-panel {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(40px, 7vw, 76px);
  color: #e9f3ff;
  background: radial-gradient(circle at 83% 12%, rgba(45,212,191,0.36), transparent 25%),
              radial-gradient(circle at 14% 91%, rgba(96,165,250,0.31), transparent 32%),
              linear-gradient(145deg, #0d2d54, #173a78 61%, #0b766d);
}
.auth-intro-panel .eyebrow { color: #8be8dd; }
.auth-intro-panel h1 {
  max-width: 470px;
  margin: 14px 0 16px;
  font-size: clamp(2.35rem, 5vw, 4rem);
  line-height: 1.03;
  letter-spacing: -0.055em;
}
.auth-intro-panel p {
  max-width: 480px;
  margin: 0;
  color: #d7e7fb;
  font-size: 1rem;
  line-height: 1.7;
}
.auth-benefit-list {
  display: grid;
  gap: 11px;
  margin-top: 34px;
}
.auth-benefit-list span {
  width: fit-content;
  padding: 8px 11px;
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 999px;
  background: rgba(255,255,255,0.09);
  color: #f4faff;
  font-size: 0.83rem;
  font-weight: 760;
}
.auth-card {
  align-self: center;
  width: min(100%, 470px);
  padding: clamp(32px, 5vw, 54px);
  background: var(--color-surface);
}
.auth-card h1 {
  margin: 8px 0 8px;
  color: var(--color-ink);
  font-size: clamp(1.8rem, 3vw, 2.35rem);
  letter-spacing: -0.045em;
}
.auth-card-intro {
  margin: 0 0 27px;
  color: var(--color-muted);
  font-size: 0.92rem;
  line-height: 1.65;
}
.auth-field {
  display: grid;
  gap: 7px;
  margin-top: 18px;
}
.auth-field label {
  color: var(--color-ink);
  font-size: 0.83rem;
  font-weight: 800;
}
.auth-field input {
  width: 100%;
  min-height: 47px;
  padding: 11px 13px;
  border: 1px solid var(--color-line-strong);
  border-radius: var(--radius-sm);
  color: var(--color-ink);
  background: #fbfdff;
}
.auth-field input:focus {
  border-color: var(--color-brand);
  outline: 0;
  background: #fff;
  box-shadow: 0 0 0 4px rgba(35,77,197,0.12);
}
.auth-field small {
  color: var(--color-muted);
  font-size: 0.74rem;
  line-height: 1.45;
}
.auth-field-label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
}
.auth-field-label-row a {
  color: var(--color-brand);
  font-size: 0.76rem;
  font-weight: 800;
}
.auth-field-label-row a:hover {
  color: var(--color-brand-dark);
  text-decoration: underline;
}
.auth-submit { width: 100%; margin-top: 26px; }
.auth-switch {
  margin: 23px 0 0;
  color: var(--color-muted);
  font-size: 0.85rem;
  text-align: center;
}
.auth-switch a {
  color: var(--color-brand);
  font-weight: 800;
}
.auth-switch a:hover {
  color: var(--color-brand-dark);
  text-decoration: underline;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.site-footer {
  display: flex;
  justify-content: space-between;
  gap: 18px;
  padding: 24px clamp(20px, 5vw, 74px);
  border-top: 1px solid var(--color-line);
  color: var(--color-muted);
  background: #fff;
  font-size: 0.78rem;
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 1200px) {
  .metric-grid { grid-template-columns: repeat(3, 1fr); }
}
@media (max-width: 980px) {
  .hero { grid-template-columns: 1fr; }
  .strategy-grid { grid-template-columns: repeat(2, 1fr); }
  .section-heading {
    align-items: flex-start;
    flex-direction: column;
  }
  .auth-layout {
    grid-template-columns: 1fr;
    max-width: 570px;
  }
  .auth-intro-panel { padding: 42px; }
  .auth-intro-panel h1 { font-size: clamp(2rem, 8vw, 3rem); }
  .auth-benefit-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-top: 25px;
  }
  .auth-benefit-list span {
    width: auto;
    font-size: 0.72rem;
  }
  .auth-card { width: 100%; }
}
@media (max-width: 900px) {
  .form-header {
    flex-direction: column;
    text-align: center;
    padding: 24px 20px;
  }
  .form-header p { margin: 6px auto 0; }
  .step-progress {
    flex-wrap: wrap;
    padding: 16px 20px;
    gap: 8px;
  }
  .step-progress-item { padding: 8px 14px; }
  .step-connector { display: none; }
  .sizing-container { grid-template-columns: 1fr; }
  .params-grid { grid-template-columns: 1fr; }
  .date-group {
    grid-template-columns: 1fr;
    gap: 12px;
  }
  .form-section { padding: 20px; }
  .step-navigation {
    flex-direction: column;
    gap: 10px;
    padding: 16px 20px;
  }
  .step-navigation .btn,
  .step-navigation-right { width: 100%; }
  .step-navigation-right { margin-left: 0; }
  .strategy-header-top {
    flex-direction: column;
    align-items: stretch;
  }
  .strategy-actions { justify-content: center; }
  .strategy-page-heading .back-link { text-align: center; }
  .form-footer {
    padding: 16px 20px;
    text-align: center;
  }
  .form-step-badge {
    min-width: 60px;
    min-height: 60px;
  }
  .form-step-badge .step-number { font-size: 1.5rem; }
  .checkbox-grid ul { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); }
  .dialog-rules-grid { grid-template-columns: 1fr; }
  .dialog-header h2 { font-size: 1.4rem; }
  .dialog-flow-item { grid-template-columns: 1fr; gap: 6px; }
  .flow-number {
    width: 28px;
    height: 28px;
    font-size: 0.65rem;
  }
  .dialog-summary {
    font-size: 0.92rem;
    padding: 14px 16px;
  }
}
@media (max-width: 760px) {
  .header-actions { gap: 7px; }
  .token-status { display: none; }
  .site-header { padding: 12px 18px; }
  .account-summary-copy { display: none; }
  .account-summary { padding: 4px; }
  .brand small { display: none; }
  .strategy-page-heading { text-align: left; }
  .strategy-page-heading .back-link {
    position: static;
    display: inline-flex;
    margin-bottom: 20px;
  }
  .strategy-hero-content { max-width: none; }
  .strategy-title-row { justify-content: flex-start; }
  .strategy-hero-meta { justify-content: flex-start; }
  .metric-grid { grid-template-columns: 1fr 1fr; }
  .capital-model-intro { align-items: flex-start; }
  .capital-model-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .capital-model-stats > div:nth-child(2) { border-right: 0; }
  .capital-model-stats > div:nth-child(-n+2) {
    border-bottom: 1px solid #dbeceb;
  }
  .auth-layout { border-radius: var(--radius-lg); }
  .auth-intro-panel, .auth-card { padding: 30px 24px; }
  .auth-benefit-list { grid-template-columns: 1fr; }
  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
  .results-toolbar {
    align-items: flex-start;
    flex-direction: column;
  }
  .download-dialog-inner { padding: 24px 20px; }
}
@media (max-width: 620px) {
  .strategy-title-row h1 { font-size: clamp(2rem, 10vw, 2.7rem); }
  .capital-model-stats { grid-template-columns: 1fr; }
  .capital-model-stats > div {
    border-right: 0;
    border-bottom: 1px solid #dbeceb;
  }
  .capital-model-stats > div:last-child { border-bottom: 0; }
  .capital-model-footnote { padding: 14px 20px 18px; }
  .charge-breakdown-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 480px) {
  .metric-grid { grid-template-columns: 1fr; }
  .header-text-link { padding: 8px 3px; }
  .header-signup-button {
    min-height: 34px;
    padding: 7px 8px;
    font-size: 0.73rem;
  }
  .strategy-meta-tags span {
    font-size: 0.7rem;
    padding: 4px 10px;
  }
  .step-progress-item .step-info strong,
  .step-progress-item .step-info .step-label { display: none; }
  .step-progress-item { padding: 8px 12px; }
  .checkbox-grid ul { grid-template-columns: 1fr 1fr; }
  .strategy-info-dialog {
    border-radius: 14px;
    max-height: calc(100vh - 16px);
  }
  .dialog-inner { padding: 16px; }
  .dialog-header h2 { font-size: 1.2rem; }
  .dialog-close {
    width: 30px;
    height: 30px;
    font-size: 1rem;
  }
}
@media (max-width: 460px) {
  .brand small { display: none; }
}