/* SCN Shared Design System */
@import url('https://fonts.googleapis.com/css2?family=SF+Pro+Display:wght@400;500;600;700&family=-apple-system,BlinkMacSystemFont,Segoe+UI,Helvetica+Neue,Arial,sans-serif&display=swap');

:root {
  --blue: #1a3bc1;
  --blue-hover: #1530a8;
  --teal: #00b5b0;
  --white: #ffffff;
  --bg: #f5f5f7;
  --surface: #ffffff;
  --border: #d2d2d7;
  --text: #1d1d1f;
  --text-secondary: #6e6e73;
  --text-tertiary: #aeaeb2;
  --green: #34c759;
  --red: #ff3b30;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.08);
  --shadow: 0 4px 16px rgba(0,0,0,0.08);
  --shadow-lg: 0 8px 32px rgba(0,0,0,0.12);
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

/* ── TOP NAV ── */
.scn-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid var(--border);
  height: 52px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  justify-content: space-between;
}

.scn-nav-left {
  display: flex;
  align-items: center;
  gap: 10px;
}

.scn-nav-logo {
  width: 28px;
  height: 28px;
  object-fit: contain;
  border-radius: 6px;
}

.scn-nav-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  letter-spacing: -0.01em;
}

.scn-nav-sub {
  font-size: 13px;
  color: var(--text-secondary);
  margin-left: 4px;
}

.scn-nav-right {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* ── BUTTONS ── */
.scn-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border-radius: 980px;
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: none;
  text-decoration: none;
  white-space: nowrap;
  font-family: inherit;
}

.scn-btn-primary {
  background: var(--blue);
  color: white;
}
.scn-btn-primary:hover { background: var(--blue-hover); }

.scn-btn-secondary {
  background: rgba(0,0,0,0.05);
  color: var(--text);
}
.scn-btn-secondary:hover { background: rgba(0,0,0,0.1); }

.scn-btn-ghost {
  background: transparent;
  color: var(--blue);
  padding: 7px 12px;
}
.scn-btn-ghost:hover { background: rgba(26,59,193,0.06); }

.scn-btn-teal {
  background: var(--teal);
  color: white;
}
.scn-btn-teal:hover { background: #009e99; }

/* ── CARDS ── */
.scn-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
}

.scn-card-padded {
  padding: 24px;
}

/* ── MODULE BADGE ── */
.scn-module-badge {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 3px 10px;
  border-radius: 980px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.scn-badge-live { background: #e8faf0; color: #1a7a3c; }
.scn-badge-soon { background: #f5f5f7; color: var(--text-tertiary); }

/* ── SECTION HEADER ── */
.scn-section-header {
  margin-bottom: 20px;
}
.scn-section-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
}
.scn-section-sub {
  font-size: 14px;
  color: var(--text-secondary);
  margin-top: 4px;
}

/* ── COPY FIELD ── */
.scn-copy-field {
  background: #f5f5f7;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 12px;
}
.scn-copy-field-header {
  padding: 10px 14px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background: white;
}
.scn-copy-field-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
.scn-copy-field-body {
  padding: 14px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--text);
  white-space: pre-wrap;
  max-height: 220px;
  overflow-y: auto;
  font-family: -apple-system, BlinkMacSystemFont, monospace;
}

/* ── INSTRUCTION BOX ── */
.scn-instruction {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 16px;
}
.scn-instruction strong { color: var(--text); }

/* ── PROGRESS ── */
.scn-progress {
  height: 3px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 24px;
}
.scn-progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--blue), var(--teal));
  border-radius: 2px;
  transition: width 0.4s ease;
}

/* ── STEP LIST ── */
.scn-step-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 11px 16px;
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: background 0.12s;
  margin: 2px 8px;
}
.scn-step-item:hover { background: var(--bg); }
.scn-step-item.active { background: rgba(26,59,193,0.07); }
.scn-step-item.done .scn-step-num { background: var(--green); color: white; }
.scn-step-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--bg);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 11px;
  font-weight: 700;
  color: var(--text-secondary);
  flex-shrink: 0;
}
.scn-step-item.active .scn-step-num {
  background: var(--blue);
  color: white;
  border-color: var(--blue);
}
.scn-step-label { font-size: 13px; font-weight: 500; color: var(--text); }
.scn-step-sub { font-size: 11px; color: var(--text-secondary); margin-top: 1px; }
.scn-step-item.done .scn-step-label { color: var(--text-secondary); }

/* ── INPUT ── */
.scn-input {
  width: 100%;
  padding: 10px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-family: inherit;
  color: var(--text);
  background: white;
  outline: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.scn-input:focus {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(26,59,193,0.1);
}

/* ── TABLE ── */
.scn-table { width: 100%; border-collapse: collapse; font-size: 14px; }
.scn-table th {
  padding: 10px 14px;
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-bottom: 1px solid var(--border);
}
.scn-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
}
.scn-table tr:last-child td { border-bottom: none; }
.scn-table tr:hover td { background: var(--bg); }