/* ═══════════════════════════════════════════════════════════════════
   SMTP Web Panel v2.0 — Premium Matrix Cyberpunk Theme
   ═══════════════════════════════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700;800&family=Inter:wght@300;400;500;600;700&display=swap');

:root {
  --bg:             #050808;
  --bg2:            #0a100c;
  --bg3:            #0d1610;
  --surface:        rgba(10, 22, 14, 0.85);
  --surface-solid:  #0a160e;
  --surface2:       rgba(16, 30, 20, 0.6);
  --glass:          rgba(10, 22, 14, 0.55);
  --glass-border:   rgba(0, 255, 70, 0.12);
  --border:         #1a3a1e;
  --border-glow:    rgba(0, 255, 70, 0.25);
  --green:          #00ff46;
  --green-dim:      #00cc38;
  --green-dark:     #0a3a14;
  --green-darker:   #061f0a;
  --green-text:     #a0ffb8;
  --green-ghost:    rgba(0, 255, 70, 0.06);
  --text:           #d0ffd8;
  --text-dim:       #6a9a72;
  --text-muted:     #3a6a42;
  --white:          #ffffff;
  --red:            #ff4444;
  --red-dim:        #cc3333;
  --red-dark:       #2a0a0a;
  --gold:           #ffd700;
  --gold-dark:      #3a2a00;
  --cyan:           #00ddc0;
  --cyan-dark:      #003a30;
  --purple:         #b44aff;
  --purple-dark:    #1a0a2a;
  --radius:         12px;
  --radius-sm:      8px;
  --radius-xs:      4px;
  --sidebar-w:      260px;
  --topbar-h:       56px;
  --font:           'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-mono:      'JetBrains Mono', 'Consolas', 'Courier New', monospace;
  --glow:           0 0 20px rgba(0,255,70,0.15), 0 0 60px rgba(0,255,70,0.05);
  --glow-strong:    0 0 20px rgba(0,255,70,0.3), 0 0 60px rgba(0,255,70,0.1);
  --glow-sm:        0 0 10px rgba(0,255,70,0.15);
  --shadow:         0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg:      0 16px 64px rgba(0,0,0,0.6);
  --transition:     all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html, body {
  height: 100%; overflow: hidden;
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  -webkit-font-smoothing: antialiased;
}

/* ── Scanlines ────────────────────────────────────────────────── */
.scanlines {
  position: fixed; inset: 0; z-index: 9999;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 70, 0.008) 2px,
    rgba(0, 255, 70, 0.008) 4px
  );
}

/* ── Canvas BG ────────────────────────────────────────────────── */
#matrix-bg, #particles-bg {
  position: fixed; top: 0; left: 0;
  width: 100vw; height: 100vh;
  z-index: 0; pointer-events: none;
}
#matrix-bg { opacity: 0.12; }
#particles-bg { opacity: 0.6; z-index: 0; }

/* ── Screens ──────────────────────────────────────────────────── */
.screen { display: none; height: 100vh; position: relative; z-index: 1; }
.screen.active { display: flex; }

/* ── Glassmorphism Base ───────────────────────────────────────── */
.glass-card {
  background: var(--glass);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.glass-card:hover {
  border-color: rgba(0, 255, 70, 0.2);
  box-shadow: var(--glow-sm);
}

/* ═══════════════════════════════════════════════════════════════
   LOGIN SCREEN
   ═══════════════════════════════════════════════════════════════ */
#login-screen {
  align-items: center; justify-content: center;
  background: radial-gradient(ellipse at 50% 30%, #0a1a0e 0%, #030505 60%, #000 100%);
}

.login-box {
  background: var(--glass);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 48px 44px 40px;
  text-align: center;
  max-width: 440px; width: 92%;
  box-shadow: var(--shadow-lg), var(--glow);
  animation: loginEntry 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}
.login-box::before {
  content: '';
  position: absolute; top: 0; left: -50%; width: 200%; height: 1px;
  background: linear-gradient(90deg, transparent, var(--green), transparent);
  animation: scanLine 3s linear infinite;
}

@keyframes loginEntry {
  from { opacity: 0; transform: translateY(40px) scale(0.96); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

@keyframes scanLine {
  from { transform: translateX(-50%); }
  to { transform: translateX(50%); }
}

/* Logo */
.login-logo {
  position: relative;
  width: 110px; height: 110px;
  margin: 0 auto 28px;
}

.logo-ring {
  position: absolute; inset: 0;
  border: 2px solid var(--green);
  border-radius: 50%;
  animation: spin 4s linear infinite;
  box-shadow: 0 0 20px rgba(0,255,70,0.2);
}
.logo-ring::after {
  content: '';
  position: absolute; top: -5px; left: 50%; width: 10px; height: 10px;
  background: var(--green); border-radius: 50%;
  box-shadow: 0 0 12px var(--green);
  transform: translateX(-50%);
}
.ring-2 {
  inset: 12px; border-color: rgba(0,255,70,0.3);
  animation-direction: reverse; animation-duration: 6s;
}
.ring-2::after { background: rgba(0,255,70,0.5); width: 6px; height: 6px; }
.ring-3 {
  inset: 24px; border-color: rgba(0,255,70,0.15);
  animation-duration: 8s; border-style: dashed;
}
.ring-3::after { display: none; }

.logo-icon {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 32px; color: var(--green);
  text-shadow: 0 0 30px var(--green);
}
.logo-icon .sent-emoji {
  filter: drop-shadow(0 0 12px rgba(0,255,70,0.5));
  animation: floatEmoji 2.5s ease-in-out infinite;
}
@keyframes floatEmoji {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-4px); }
}

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

.login-title {
  font-family: var(--font-mono);
  font-size: 17px; font-weight: 800;
  color: var(--green);
  letter-spacing: 4px; margin-bottom: 6px;
  text-shadow: 0 0 30px rgba(0,255,70,0.3);
}

.login-sub {
  color: var(--text-dim); font-size: 13px; margin-bottom: 32px;
  font-weight: 400;
}

/* Auth Code Inputs */
.auth-code-container { margin-bottom: 28px; }

.code-inputs {
  display: flex; align-items: center; justify-content: center; gap: 8px;
}

.code-digit {
  width: 48px; height: 60px;
  background: rgba(0,0,0,0.4);
  border: 2px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--green); font-family: var(--font-mono);
  font-size: 26px; font-weight: 700;
  text-align: center; outline: none;
  transition: var(--transition);
  caret-color: var(--green);
}
.code-digit:focus {
  border-color: var(--green);
  box-shadow: 0 0 20px rgba(0,255,70,0.2);
  background: rgba(0,255,70,0.05);
}
.code-digit.filled {
  border-color: var(--green-dim);
  background: rgba(0,255,70,0.08);
}

.code-separator {
  color: var(--text-muted); font-size: 20px; font-weight: 300;
  margin: 0 4px;
}

/* Login Button */
.btn-glow {
  position: relative; overflow: hidden;
}
.btn-glow::before {
  content: '';
  position: absolute; inset: -2px;
  background: linear-gradient(45deg, transparent, var(--green), transparent);
  opacity: 0; transition: opacity 0.3s;
  z-index: -1; border-radius: inherit;
}
.btn-glow:hover::before { opacity: 0.2; }

.btn-icon { font-size: 18px; }

/* Login Footer */
.login-footer { margin-top: 28px; }

.security-badge {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 14px;
  background: rgba(0,255,70,0.05);
  border: 1px solid rgba(0,255,70,0.1);
  border-radius: 20px;
  font-size: 11px; color: var(--text-dim);
  margin-bottom: 12px;
}
.security-badge i { color: var(--green); font-size: 10px; }

.login-hint {
  color: var(--text-muted); font-size: 12px;
}
.login-hint code {
  background: rgba(0,0,0,0.4); padding: 2px 10px;
  border-radius: var(--radius-xs);
  color: var(--green); font-family: var(--font-mono);
  border: 1px solid var(--border);
}

.error-text {
  color: var(--red); font-size: 13px; margin-top: 14px;
  animation: shake 0.4s ease;
}
@keyframes shake {
  0%, 100% { transform: translateX(0); }
  20%, 60% { transform: translateX(-6px); }
  40%, 80% { transform: translateX(6px); }
}

/* ═══════════════════════════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════════════════════════ */
.btn-primary {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 10px; padding: 14px 36px;
  background: linear-gradient(135deg, var(--green-dark), var(--green-darker));
  border: 1px solid var(--green-dim); border-radius: var(--radius);
  color: var(--green); font-family: var(--font-mono);
  font-size: 14px; font-weight: 700; letter-spacing: 2px;
  cursor: pointer; transition: var(--transition); width: 100%;
}
.btn-primary:hover {
  background: linear-gradient(135deg, #0d4a18, #0a3a14);
  box-shadow: var(--glow-strong);
  transform: translateY(-1px);
}
.btn-primary:active { transform: translateY(0); }

.btn-modern {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 18px;
  background: var(--surface2); border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: var(--transition);
  font-family: var(--font);
  white-space: nowrap;
}
.btn-modern:hover {
  border-color: var(--green-dim); color: var(--green);
  background: var(--green-ghost);
  transform: translateY(-1px);
}
.btn-modern:active { transform: translateY(0); }
.btn-modern i { font-size: 13px; }

.btn-modern.btn-green {
  border-color: rgba(0,204,56,0.4); color: var(--green);
  background: rgba(0,255,70,0.08);
}
.btn-modern.btn-green:hover {
  background: var(--green-dark); border-color: var(--green-dim);
  box-shadow: var(--glow-sm);
}
.btn-modern.btn-red {
  border-color: rgba(255,68,68,0.3); color: #ff6b6b;
  background: rgba(255,68,68,0.06);
}
.btn-modern.btn-red:hover {
  background: var(--red-dark); border-color: var(--red-dim);
}

.btn-quick {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 8px; padding: 16px 10px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: var(--radius);
  color: var(--text-dim); font-size: 12px; font-weight: 500;
  cursor: pointer; transition: var(--transition);
}
.btn-quick i { font-size: 20px; color: var(--green-dim); transition: var(--transition); }
.btn-quick:hover {
  border-color: var(--green); color: var(--green);
  background: var(--green-ghost);
  transform: translateY(-2px);
  box-shadow: var(--glow-sm);
}
.btn-quick:hover i { color: var(--green); text-shadow: 0 0 10px var(--green); }

.btn-copy {
  padding: 6px 12px;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  color: var(--text-dim); font-size: 12px;
  cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.btn-copy:hover { border-color: var(--green); color: var(--green); }

.btn-logout {
  width: 100%; padding: 10px;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: transparent; border: 1px solid rgba(255,68,68,0.2);
  border-radius: var(--radius-sm);
  color: #ff6b6b; font-family: var(--font);
  font-size: 13px; font-weight: 500;
  cursor: pointer; transition: var(--transition);
}
.btn-logout:hover {
  background: rgba(255,68,68,0.1);
  border-color: rgba(255,68,68,0.4);
}

.btn-loader { font-size: 16px; }

/* ═══════════════════════════════════════════════════════════════
   SIDEBAR
   ═══════════════════════════════════════════════════════════════ */
#sidebar {
  width: var(--sidebar-w); height: 100vh;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  flex-shrink: 0;
  position: relative;
  z-index: 10;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1), transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.sidebar-header {
  padding: 20px 18px 16px;
  border-bottom: 1px solid var(--border);
}

.sidebar-brand {
  display: flex; align-items: center; gap: 12px;
}

.brand-icon {
  width: 38px; height: 38px;
  display: flex; align-items: center; justify-content: center;
  background: var(--green-dark);
  border: 1px solid rgba(0,255,70,0.2);
  border-radius: 10px;
  color: var(--green); font-size: 16px;
  box-shadow: 0 0 15px rgba(0,255,70,0.1);
}
.brand-icon .sent-emoji-sm {
  filter: drop-shadow(0 0 6px rgba(0,255,70,0.4));
}

.brand-name {
  font-family: var(--font-mono); font-size: 22px; font-weight: 800;
  color: var(--green); letter-spacing: 3px;
  text-shadow: 0 0 20px rgba(0,255,70,0.3);
  display: block;
}
.brand-tag {
  font-size: 10px; color: var(--text-muted);
  letter-spacing: 1px; display: block; margin-top: 1px;
}

/* Sidebar User */
.sidebar-user {
  padding: 18px 18px 14px;
  border-bottom: 1px solid var(--border);
  text-align: center;
}

.avatar-ring {
  width: 50px; height: 50px; margin: 0 auto 10px;
  border: 2px solid rgba(0,255,70,0.3);
  border-radius: 50%; padding: 3px;
  animation: pulse-ring 3s ease-in-out infinite;
}
@keyframes pulse-ring {
  0%, 100% { border-color: rgba(0,255,70,0.3); }
  50% { border-color: rgba(0,255,70,0.6); }
}

.avatar {
  width: 100%; height: 100%;
  background: var(--green-dark);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: var(--green); font-size: 18px;
}

.user-name {
  display: block; font-family: var(--font-mono);
  font-size: 12px; color: var(--green-text);
  letter-spacing: 1px;
}

.user-status {
  display: block; font-size: 11px; color: var(--text-muted);
  margin-top: 4px;
}
.user-status i { color: var(--green); font-size: 7px; animation: blink 2s infinite; }
@keyframes blink { 0%, 100% { opacity: 1; } 50% { opacity: 0.3; } }

/* Nav */
.nav-section-label {
  padding: 16px 20px 6px;
  font-size: 10px; font-weight: 700;
  color: var(--text-muted); letter-spacing: 2px;
  text-transform: uppercase;
}

.nav-list { list-style: none; padding: 0 10px; }

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; border-radius: var(--radius-sm);
  cursor: pointer; transition: var(--transition);
  margin-bottom: 2px; font-size: 13px; font-weight: 500;
  position: relative;
  color: var(--text-dim);
}
.nav-item:hover {
  background: var(--green-ghost); color: var(--green-text);
}
.nav-item.active {
  background: linear-gradient(135deg, rgba(0,255,70,0.12), rgba(0,255,70,0.04));
  color: var(--green);
  border: 1px solid rgba(0,255,70,0.15);
}
.nav-item.active .nav-icon { color: var(--green); }
.nav-item.active::before {
  content: '';
  position: absolute; left: 0; top: 50%; transform: translateY(-50%);
  width: 3px; height: 60%; background: var(--green);
  border-radius: 0 3px 3px 0;
  box-shadow: 0 0 8px var(--green);
}

.nav-icon { width: 20px; text-align: center; font-size: 15px; color: var(--text-muted); transition: var(--transition); }
.nav-arrow { margin-left: auto; font-size: 10px; color: var(--text-muted); opacity: 0; transition: var(--transition); }
.nav-item:hover .nav-arrow, .nav-item.active .nav-arrow { opacity: 1; }

.nav-badge {
  margin-left: auto;
  padding: 2px 8px; min-width: 22px; text-align: center;
  background: rgba(0,255,70,0.1);
  border: 1px solid rgba(0,255,70,0.2);
  border-radius: 10px;
  font-size: 11px; font-weight: 600; color: var(--green);
  font-family: var(--font-mono);
}

/* Sidebar Footer */
.sidebar-footer {
  margin-top: auto;
  padding: 14px 14px 18px;
  border-top: 1px solid var(--border);
}

.session-info {
  display: flex; align-items: center; justify-content: center; gap: 8px;
  padding: 8px; margin-bottom: 10px;
  font-family: var(--font-mono); font-size: 12px; color: var(--text-muted);
}
.session-info i { color: var(--text-muted); font-size: 11px; }

/* ═══════════════════════════════════════════════════════════════
   TOPBAR
   ═══════════════════════════════════════════════════════════════ */
.main-wrapper {
  flex: 1; display: flex; flex-direction: column;
  height: 100vh; overflow: hidden;
}

#topbar {
  height: var(--topbar-h);
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center;
  padding: 0 24px; gap: 16px;
  flex-shrink: 0;
}

.hamburger {
  display: none;
  background: none; border: none; color: var(--text);
  font-size: 18px; cursor: pointer; padding: 8px;
  border-radius: var(--radius-xs);
  transition: var(--transition);
}
.hamburger:hover { color: var(--green); background: var(--green-ghost); }

.topbar-breadcrumb {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 14px; color: var(--text-dim);
}
.breadcrumb-icon { color: var(--green); font-size: 13px; }

.topbar-right {
  margin-left: auto;
  display: flex; align-items: center; gap: 16px;
}

.topbar-clock {
  font-family: var(--font-mono); font-size: 12px;
  color: var(--text-muted); letter-spacing: 1px;
}

.topbar-status {
  display: flex; align-items: center; gap: 8px;
  font-size: 12px; color: var(--text-dim);
}

.status-dot {
  width: 8px; height: 8px;
  background: var(--green); border-radius: 50%;
}
.status-dot.pulse {
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(0,255,70,0.4); }
  50% { box-shadow: 0 0 0 6px rgba(0,255,70,0); }
}

.topbar-btn {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim); font-size: 14px;
  cursor: pointer; transition: var(--transition);
}
.topbar-btn:hover {
  border-color: var(--green); color: var(--green);
  background: var(--green-ghost);
}

/* ═══════════════════════════════════════════════════════════════
   CONTENT
   ═══════════════════════════════════════════════════════════════ */
#content {
  flex: 1; overflow-y: auto; overflow-x: hidden;
  padding: 28px 32px;
  background: linear-gradient(180deg, var(--bg2) 0%, var(--bg) 100%);
  position: relative;
}

.page { display: none; animation: pageIn 0.4s cubic-bezier(0.16, 1, 0.3, 1); }
.page.active { display: block; }
@keyframes pageIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Page Header */
.page-header {
  display: flex; align-items: flex-start; justify-content: space-between;
  margin-bottom: 28px; flex-wrap: wrap; gap: 16px;
}

.page-title-group h2 {
  font-family: var(--font-mono); font-size: 22px;
  color: var(--green); letter-spacing: 0.5px;
  display: flex; align-items: center; gap: 10px;
  font-weight: 700;
}
.page-title-group h2 i { font-size: 20px; opacity: 0.7; }

.page-subtitle {
  font-size: 13px; color: var(--text-muted);
  margin-top: 4px; font-weight: 400;
}

.header-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.access-code-badge {
  font-family: var(--font-mono); font-size: 12px;
  padding: 6px 14px;
  background: rgba(0,255,70,0.06);
  border: 1px solid rgba(0,255,70,0.15); border-radius: 20px;
  color: var(--green-dim);
  display: flex; align-items: center; gap: 6px;
}
.access-code-badge i { font-size: 10px; }

/* ── Stats Grid ───────────────────────────────────────────────── */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px; margin-bottom: 24px;
}

.stat-card {
  background: var(--glass);
  backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  padding: 22px 20px 18px;
  position: relative; overflow: hidden;
  transition: var(--transition);
}
.stat-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--glow-strong);
  border-color: rgba(0,255,70,0.3);
}

.stat-card-bg {
  position: absolute; top: -50%; right: -30%;
  width: 120px; height: 120px; border-radius: 50%;
  opacity: 0.06; transition: var(--transition);
}
.stat-card[data-color="green"] .stat-card-bg { background: var(--green); }
.stat-card[data-color="cyan"] .stat-card-bg { background: var(--cyan); }
.stat-card[data-color="gold"] .stat-card-bg { background: var(--gold); }
.stat-card[data-color="purple"] .stat-card-bg { background: var(--purple); }

.stat-card:hover .stat-card-bg { opacity: 0.12; transform: scale(1.2); }

.stat-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }

.stat-icon-wrap {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 10px; font-size: 18px;
}
.stat-card[data-color="green"] .stat-icon-wrap { background: rgba(0,255,70,0.1); color: var(--green); }
.stat-card[data-color="cyan"] .stat-icon-wrap { background: rgba(0,221,192,0.1); color: var(--cyan); }
.stat-card[data-color="gold"] .stat-icon-wrap { background: rgba(255,215,0,0.1); color: var(--gold); }
.stat-card[data-color="purple"] .stat-icon-wrap { background: rgba(180,74,255,0.1); color: var(--purple); }

.stat-value {
  font-family: var(--font-mono); font-size: 30px; font-weight: 800;
  color: var(--white); line-height: 1;
}
.stat-label {
  font-size: 12px; color: var(--text-dim); margin-top: 6px;
  text-transform: uppercase; letter-spacing: 1px; font-weight: 500;
}

/* Status Pills (replaces ✅/❌ text) */
.status-pill {
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--font-mono); font-size: 14px; font-weight: 700;
  padding: 4px 14px; border-radius: 20px;
  letter-spacing: 0.5px; line-height: 1.3;
}
.status-pill.ready {
  background: rgba(0, 255, 70, 0.12); color: var(--green);
  border: 1px solid rgba(0, 255, 70, 0.25);
  text-shadow: 0 0 8px rgba(0, 255, 70, 0.3);
}
.status-pill.ready i { font-size: 12px; }
.status-pill.pending {
  background: rgba(255, 255, 255, 0.05); color: var(--text-muted);
  border: 1px solid rgba(255, 255, 255, 0.08);
}
.status-pill.pending i { font-size: 11px; }

.stat-bar {
  height: 3px; background: rgba(255,255,255,0.06);
  border-radius: 2px; margin-top: 14px; overflow: hidden;
}
.stat-bar-fill {
  height: 100%; border-radius: 2px; transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.stat-card[data-color="green"] .stat-bar-fill { background: linear-gradient(90deg, var(--green-dark), var(--green)); }
.stat-card[data-color="cyan"] .stat-bar-fill { background: linear-gradient(90deg, var(--cyan-dark), var(--cyan)); }
.stat-card[data-color="gold"] .stat-bar-fill { background: linear-gradient(90deg, var(--gold-dark), var(--gold)); }
.stat-card[data-color="purple"] .stat-bar-fill { background: linear-gradient(90deg, var(--purple-dark), var(--purple)); }

/* ── Readiness Meter ───────────────────────────────────────────── */
.readiness-card {
  padding: 20px 24px; margin-bottom: 20px;
}
.readiness-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.readiness-title {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 14px;
  color: var(--green); font-weight: 600;
}
.readiness-title i { font-size: 16px; }
.readiness-pct {
  font-family: var(--font-mono); font-size: 22px; font-weight: 800;
  color: var(--text-dim);
}
.readiness-pct.ready { color: var(--green); text-shadow: 0 0 12px rgba(0,255,70,0.4); }

.readiness-bar {
  height: 6px; background: rgba(255,255,255,0.06);
  border-radius: 3px; overflow: hidden; margin-bottom: 16px;
}
.readiness-bar-fill {
  height: 100%; border-radius: 3px;
  transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
  width: 0%;
}
.readiness-bar-fill.low { background: linear-gradient(90deg, #ff4444, #ff6b3d); }
.readiness-bar-fill.partial { background: linear-gradient(90deg, #ff9800, #ffd700); }
.readiness-bar-fill.complete { background: linear-gradient(90deg, #00cc38, #00ff46); box-shadow: 0 0 12px rgba(0,255,70,0.3); }

.readiness-checks {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 8px;
}
.readiness-check {
  display: flex; align-items: center; gap: 8px;
  font-size: 13px; padding: 8px 12px;
  border-radius: var(--radius-sm);
  background: rgba(255,255,255,0.02);
  border: 1px solid transparent;
}
.readiness-check.check-pass {
  border-color: rgba(0,255,70,0.1);
}
.readiness-check.check-pass i { color: var(--green); font-size: 14px; }
.readiness-check.check-fail i { color: var(--red); font-size: 14px; opacity: 0.7; }
.check-label { color: var(--text); font-weight: 500; }
.check-detail {
  margin-left: auto; font-size: 11px; font-family: var(--font-mono);
  color: var(--text-muted);
}

/* ── Info Grid ────────────────────────────────────────────────── */
.quick-info-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
}

.info-card { padding: 22px; }

.info-card-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 18px;
}
.info-card-header h3 {
  font-family: var(--font-mono); font-size: 14px;
  color: var(--green); display: flex; align-items: center; gap: 8px;
  font-weight: 600;
}
.info-card-header h3 i { font-size: 13px; opacity: 0.7; }

.live-badge {
  display: flex; align-items: center; gap: 6px;
  font-size: 11px; color: var(--green); font-weight: 600;
  letter-spacing: 1px;
}
.pulse-dot { font-size: 7px; animation: blink 1.5s infinite; }

.info-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 10px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 13px;
}
.info-row:last-child { border-bottom: none; }
.info-row span:first-child { color: var(--text-dim); font-weight: 500; }
.info-row span:last-child {
  color: var(--text); font-family: var(--font-mono); font-size: 12px;
  max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.quick-actions-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px;
}

/* Status Feed */
.status-feed { max-height: 160px; overflow-y: auto; }

.status-item {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 0; font-size: 13px;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

.status-dot-green {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); flex-shrink: 0;
}

.status-time {
  margin-left: auto; font-size: 11px; color: var(--text-muted);
  font-family: var(--font-mono);
}

/* ═══════════════════════════════════════════════════════════════
   SMTP PAGE
   ═══════════════════════════════════════════════════════════════ */
.control-bar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px; margin-bottom: 16px; flex-wrap: wrap; gap: 12px;
}

.control-label {
  font-size: 13px; color: var(--text-dim); font-weight: 500;
  display: flex; align-items: center; gap: 8px;
}
.control-label i { color: var(--green); }

.strategy-btns { display: flex; gap: 6px; }

.strategy-btn {
  padding: 7px 16px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: 20px;
  color: var(--text-dim); font-size: 12px; font-weight: 500;
  cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; gap: 6px;
}
.strategy-btn:hover { border-color: var(--green-dim); color: var(--green); }
.strategy-btn.active {
  border-color: var(--green); color: var(--green);
  background: rgba(0,255,70,0.1);
  box-shadow: 0 0 10px rgba(0,255,70,0.1);
}

/* Import Panel */
.import-panel { padding: 18px 20px; margin-bottom: 16px; }

.import-header {
  font-size: 13px; color: var(--text-dim); font-weight: 500;
  margin-bottom: 12px;
  display: flex; align-items: center; gap: 8px;
}
.import-header i { color: var(--green); }

.import-body {
  display: flex; gap: 12px; align-items: flex-end;
}
.import-body textarea {
  flex: 1; background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--font-mono); font-size: 12px;
  padding: 12px; resize: none; outline: none;
  transition: var(--transition);
}
.import-body textarea:focus { border-color: var(--green); box-shadow: var(--glow-sm); }

/* Server List */
.server-list { display: flex; flex-direction: column; gap: 8px; }

.server-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px;
  background: var(--glass); backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  transition: var(--transition);
}
.server-card:hover {
  border-color: rgba(0,255,70,0.25);
  transform: translateX(4px);
}

.server-info { flex: 1; }
.server-host {
  font-family: var(--font-mono); font-size: 14px; color: var(--green-text);
  font-weight: 600;
}
.server-user { font-size: 12px; color: var(--text-dim); margin-top: 2px; }
.server-status { font-size: 11px; margin-top: 4px; color: var(--text-muted); }

.server-actions { display: flex; gap: 8px; }
.server-actions button {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text-dim); font-size: 14px;
  cursor: pointer; transition: var(--transition);
}
.server-actions button:hover {
  border-color: var(--green); color: var(--green);
  background: var(--green-ghost);
}

.empty-state {
  text-align: center; padding: 50px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 40px; margin-bottom: 12px; display: block; opacity: 0.3; }
.empty-state p { font-size: 15px; margin-bottom: 6px; color: var(--text-dim); }
.empty-state span { font-size: 12px; }

.test-results { padding: 20px; margin-top: 16px; }
.test-results h4 { color: var(--green); font-family: var(--font-mono); margin-bottom: 12px; font-size: 14px; }
.test-row {
  display: flex; justify-content: space-between; align-items: center;
  padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.04);
  font-size: 13px;
}
.test-pass { color: var(--green); font-weight: 600; }
.test-fail { color: var(--red); font-weight: 600; }

/* ═══════════════════════════════════════════════════════════════
   TEMPLATES
   ═══════════════════════════════════════════════════════════════ */
.template-tabs { display: flex; gap: 6px; margin-bottom: 20px; }

.tab-btn {
  padding: 9px 20px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: 20px;
  color: var(--text-dim); font-size: 13px; font-weight: 500;
  cursor: pointer; transition: var(--transition);
  display: flex; align-items: center; gap: 8px;
}
.tab-btn:hover { border-color: var(--green-dim); color: var(--green); }
.tab-btn.active {
  border-color: var(--green); color: var(--green);
  background: rgba(0,255,70,0.1);
}

.tab-content { display: none; animation: pageIn 0.3s ease; }
.tab-content.active { display: block; }

.editor-wrapper { padding: 0; overflow: hidden; }

.editor-toolbar {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border);
}
.editor-label {
  font-size: 12px; color: var(--text-dim);
  display: flex; align-items: center; gap: 8px;
}
.editor-label i { color: var(--green); }
.char-count {
  font-family: var(--font-mono); font-size: 11px; color: var(--text-muted);
}

#html-editor, #extra-editor {
  width: 100%; background: transparent;
  border: none; border-radius: 0;
  color: var(--green-text); font-family: var(--font-mono); font-size: 13px;
  padding: 18px; outline: none; resize: vertical;
  line-height: 1.6; min-height: 300px;
}

.editor-actions { display: flex; gap: 10px; margin-top: 16px; }

.presets-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
}

.preset-card {
  padding: 22px;
  background: var(--glass); backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: var(--radius);
  cursor: pointer; transition: var(--transition);
  text-align: center;
}
.preset-card:hover {
  border-color: var(--green); transform: translateY(-3px);
  box-shadow: var(--glow);
}
.preset-card .preset-icon { font-size: 32px; margin-bottom: 10px; }
.preset-card .preset-name {
  font-size: 14px; color: var(--green-text); font-weight: 600;
}

.info-text {
  color: var(--text-dim); font-size: 13px; margin-top: 14px;
  display: flex; align-items: center; gap: 8px;
}
.info-text i { color: var(--green); font-size: 12px; }
.link { color: var(--cyan); text-decoration: none; }
.link:hover { text-decoration: underline; }

/* ═══════════════════════════════════════════════════════════════
   EMAIL LISTS
   ═══════════════════════════════════════════════════════════════ */
.dropzone {
  padding: 36px; text-align: center;
  border: 2px dashed var(--border);
  margin-bottom: 16px; cursor: pointer;
  transition: var(--transition);
}
.dropzone:hover, .dropzone.dragover {
  border-color: var(--green); background: var(--green-ghost);
}
.dropzone i { font-size: 36px; color: var(--text-muted); margin-bottom: 10px; }
.dropzone p { color: var(--text-dim); font-size: 14px; margin-bottom: 4px; }
.dropzone span { color: var(--text-muted); font-size: 12px; }

.email-input-area {
  padding: 18px; margin-bottom: 16px;
}
.email-input-area textarea {
  width: 100%; background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-family: var(--font-mono); font-size: 12px;
  padding: 14px; outline: none; resize: vertical; margin-bottom: 12px;
  transition: var(--transition);
}
.email-input-area textarea:focus { border-color: var(--green); box-shadow: var(--glow-sm); }

.email-stats {
  padding: 14px 18px; margin-bottom: 16px;
}
.email-stat-row {
  display: flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 14px; color: var(--green);
}
.email-stat-row i { font-size: 16px; }

.list-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 18px;
  background: rgba(0,0,0,0.2);
  border-bottom: 1px solid var(--border);
  font-size: 13px; color: var(--text-dim);
}
.list-header span { display: flex; align-items: center; gap: 8px; }
.list-header i { color: var(--green); }

.email-preview {
  max-height: 220px; overflow-y: auto;
  padding: 14px 18px;
  font-family: var(--font-mono); font-size: 12px;
  color: var(--text-dim); line-height: 1.7;
  background: rgba(0,0,0,0.2);
}

/* ═══════════════════════════════════════════════════════════════
   CAMPAIGN
   ═══════════════════════════════════════════════════════════════ */
.campaign-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 16px; margin-bottom: 20px;
}
.campaign-grid .full-width { grid-column: span 2; }

.config-card { padding: 20px; position: relative; }
.config-icon {
  width: 36px; height: 36px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,255,70,0.08);
  border-radius: 8px; margin-bottom: 12px;
  color: var(--green); font-size: 15px;
}
.config-card h3 {
  font-size: 13px; color: var(--green-text); margin-bottom: 12px;
  font-weight: 600;
}

.config-input {
  width: 100%; padding: 11px 14px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-size: 13px; font-family: var(--font-mono);
  outline: none; transition: var(--transition);
}
.config-input:focus { border-color: var(--green); box-shadow: var(--glow-sm); }
select.config-input { cursor: pointer; }
select.config-input option { background: var(--surface-solid); color: var(--text); }

.campaign-actions { display: flex; gap: 10px; margin-bottom: 24px; flex-wrap: wrap; }

.launch-panel { padding: 24px; }

.launch-header {
  display: flex; align-items: center; gap: 14px; margin-bottom: 16px;
}
.launch-icon {
  width: 42px; height: 42px;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,255,70,0.08); border-radius: 10px;
  color: var(--green); font-size: 18px;
}
.launch-header h3 {
  font-family: var(--font-mono); color: var(--green); font-size: 16px;
}
.launch-summary {
  font-size: 14px; color: var(--text-dim); line-height: 2;
  padding: 12px 0;
}
.launch-note {
  color: var(--text-muted); font-size: 12px; margin-top: 12px;
  display: flex; align-items: center; gap: 8px;
}
.launch-note i { color: var(--green); font-size: 11px; }

#validation-result {
  padding: 18px; margin-bottom: 16px;
  border-radius: var(--radius); font-size: 13px;
  animation: pageIn 0.3s ease;
}
#validation-result.valid {
  background: rgba(0,255,70,0.06); border: 1px solid var(--green); color: var(--green);
}
#validation-result.invalid {
  background: rgba(255,68,68,0.06); border: 1px solid var(--red); color: #ff8888;
}

/* Spam Test */
.spamtest-form { padding: 24px; }

/* ═══════════════════════════════════════════════════════════════
   ADVANCED
   ═══════════════════════════════════════════════════════════════ */
.advanced-toggles { display: flex; flex-direction: column; gap: 12px; }

.toggle-card {
  padding: 22px 24px;
  display: flex; align-items: center; justify-content: space-between; gap: 20px;
}

.toggle-info {
  display: flex; align-items: center; gap: 16px; flex: 1; min-width: 0;
}

.toggle-icon {
  width: 44px; height: 44px; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  background: rgba(0,255,70,0.08);
  border-radius: 10px; font-size: 18px; color: var(--green);
}

.toggle-info h3 { color: var(--green-text); font-size: 15px; margin-bottom: 4px; font-weight: 600; }
.toggle-info p { color: var(--text-dim); font-size: 12px; }

.toggle-switch { position: relative; display: inline-block; width: 52px; height: 28px; flex-shrink: 0; }
.toggle-switch input { opacity: 0; width: 0; height: 0; }
.toggle-slider {
  position: absolute; cursor: pointer; inset: 0;
  background: rgba(255,255,255,0.06);
  border: 1px solid var(--border); border-radius: 20px;
  transition: var(--transition);
}
.toggle-slider::before {
  content: '';
  position: absolute; width: 20px; height: 20px;
  left: 3px; bottom: 3px;
  background: var(--text-dim); border-radius: 50%;
  transition: var(--transition);
}
.toggle-switch input:checked + .toggle-slider {
  background: rgba(0,255,70,0.15); border-color: var(--green);
}
.toggle-switch input:checked + .toggle-slider::before {
  transform: translateX(24px);
  background: var(--green);
  box-shadow: 0 0 10px var(--green);
}

/* ═══════════════════════════════════════════════════════════════
   MODALS
   ═══════════════════════════════════════════════════════════════ */
.modal {
  position: fixed; inset: 0; z-index: 100;
  display: flex; align-items: center; justify-content: center;
  animation: modalIn 0.3s ease;
}
@keyframes modalIn { from { opacity: 0; } to { opacity: 1; } }

.modal-overlay {
  position: absolute; inset: 0;
  background: rgba(0,0,0,0.6);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative; z-index: 1;
  width: 90%; max-width: 460px;
  box-shadow: var(--shadow-lg), var(--glow);
  animation: loginEntry 0.3s ease;
}
.modal-wide { max-width: 860px; }
.modal-sm { max-width: 380px; }

.modal-header {
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 24px; border-bottom: 1px solid var(--border);
}
.modal-header h3 {
  color: var(--green); font-size: 15px; font-weight: 600;
  display: flex; align-items: center; gap: 8px;
}
.modal-close {
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim); font-size: 16px;
  cursor: pointer; transition: var(--transition);
}
.modal-close:hover { border-color: var(--red); color: var(--red); background: rgba(255,68,68,0.1); }

.modal-body { padding: 24px; }
.modal-footer {
  padding: 14px 24px;
  border-top: 1px solid var(--border);
  display: flex; justify-content: flex-end; gap: 10px;
}

.form-group { margin-bottom: 16px; }
.form-group label {
  display: block; margin-bottom: 8px;
  font-size: 12px; color: var(--text-dim); font-weight: 600;
  text-transform: uppercase; letter-spacing: 1px;
  display: flex; align-items: center; gap: 6px;
}
.form-group label i { color: var(--green); font-size: 11px; }
.form-group input {
  width: 100%; padding: 11px 14px;
  background: rgba(0,0,0,0.3);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  color: var(--text); font-size: 13px;
  outline: none; transition: var(--transition);
  font-family: var(--font-mono);
}
.form-group input:focus { border-color: var(--green); box-shadow: var(--glow-sm); }

/* Preview */
.preview-body { padding: 24px; display: flex; justify-content: center; }

.preview-device-btns {
  display: flex; gap: 4px;
}
.device-btn {
  width: 34px; height: 34px;
  display: flex; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-dim); font-size: 14px;
  cursor: pointer; transition: var(--transition);
}
.device-btn:hover { border-color: var(--green); color: var(--green); }
.device-btn.active { border-color: var(--green); color: var(--green); background: rgba(0,255,70,0.1); }

.device-frame { transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.device-frame.desktop { width: 100%; }
.device-frame.tablet { width: 768px; }
.device-frame.mobile { width: 375px; }

#preview-frame {
  width: 100%; height: 500px; border: none;
  background: white; border-radius: var(--radius-sm);
}

/* Confirm modal */
#confirm-message { color: var(--text-dim); font-size: 14px; line-height: 1.6; }

/* ═══════════════════════════════════════════════════════════════
   TOAST
   ═══════════════════════════════════════════════════════════════ */
#toast-container {
  position: fixed; bottom: 24px; right: 24px;
  z-index: 200; display: flex; flex-direction: column-reverse;
  gap: 8px;
}

.toast {
  padding: 14px 22px;
  border-radius: var(--radius-sm);
  font-size: 13px; font-weight: 500;
  box-shadow: var(--shadow);
  display: flex; align-items: center; gap: 10px;
  animation: toastIn 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  backdrop-filter: blur(12px);
  max-width: 380px;
}
.toast.removing {
  animation: toastOut 0.3s ease forwards;
}

.toast.success {
  background: rgba(10, 58, 20, 0.9); border: 1px solid var(--green);
  color: var(--green);
}
.toast.error {
  background: rgba(42, 10, 10, 0.9); border: 1px solid var(--red);
  color: #ff8888;
}
.toast.info {
  background: rgba(10, 26, 42, 0.9); border: 1px solid var(--cyan);
  color: var(--cyan);
}

.toast i { font-size: 16px; flex-shrink: 0; }

@keyframes toastIn {
  from { transform: translateX(80px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}
@keyframes toastOut {
  from { transform: translateX(0); opacity: 1; }
  to { transform: translateX(80px); opacity: 0; }
}

/* Loading Overlay */
#loading-overlay {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(0,0,0,0.5);
  display: flex; align-items: center; justify-content: center;
  backdrop-filter: blur(4px);
}

.loading-spinner {
  display: flex; flex-direction: column; align-items: center; gap: 16px;
}

.spinner-ring {
  width: 44px; height: 44px;
  border: 3px solid var(--border);
  border-top-color: var(--green);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

.loading-spinner span {
  font-family: var(--font-mono); font-size: 13px; color: var(--green);
  letter-spacing: 1px;
}

.hidden { display: none !important; }

/* ═══════════════════════════════════════════════════════════════
   SCROLLBAR
   ═══════════════════════════════════════════════════════════════ */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb {
  background: var(--border); border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover { background: var(--green-dark); }

/* ═══════════════════════════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
  .hamburger { display: flex; }
  #sidebar {
    position: fixed; left: 0; top: 0;
    transform: translateX(-100%);
    z-index: 50;
    box-shadow: 10px 0 40px rgba(0,0,0,0.5);
  }
  #sidebar.open { transform: translateX(0); }
  .quick-info-grid { grid-template-columns: 1fr; }
  .campaign-grid { grid-template-columns: 1fr; }
  .campaign-grid .full-width { grid-column: span 1; }
}

@media (max-width: 600px) {
  #content { padding: 20px 16px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .page-header { flex-direction: column; align-items: flex-start; }
  .header-actions { width: 100%; }
  .quick-actions-grid { grid-template-columns: repeat(2, 1fr); }
  .strategy-btns { flex-wrap: wrap; }
  .code-digit { width: 40px; height: 50px; font-size: 22px; }
}

@media (max-width: 400px) {
  .stats-grid { grid-template-columns: 1fr; }
  .code-inputs { gap: 5px; }
  .code-digit { width: 36px; height: 46px; font-size: 20px; }
}