.smart-collection-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 14px 0 20px;
  overflow-x: auto;
  scrollbar-width: none;
}

.smart-collection-row::-webkit-scrollbar { display: none; }
.smart-collection-row > span { color: #8ca3b8; font-size: 12px; font-weight: 700; margin-right: 4px; white-space: nowrap; }
.smart-collection-row button {
  border: 1px solid #173a4e;
  border-radius: 999px;
  background: #071723;
  color: #a9bdcd;
  padding: 8px 13px;
  white-space: nowrap;
  transition: border-color .18s ease, background .18s ease, color .18s ease, transform .18s ease;
}
.smart-collection-row button:hover { border-color: #22d9d0; color: #fff; transform: translateY(-1px); }
.smart-collection-row button.active { border-color: #29e3d7; background: linear-gradient(135deg, rgba(25,226,212,.2), rgba(134,76,255,.18)); color: #eaffff; box-shadow: 0 0 18px rgba(24,218,207,.12); }

.settings-layout {
  width: 100%;
  max-width: 1120px;
  grid-template-columns: minmax(300px, .86fr) minmax(360px, 1.14fr);
  grid-template-areas:
    "profile recovery"
    "profile two-factor"
    "backup backup"
    "sessions activity"
    "health health";
  gap: 18px;
}

.settings-layout > .settings-form { grid-area: profile; align-self: stretch; }
#recoverySettingsCard { grid-area: recovery; }
#twoFactorSettingsCard { grid-area: two-factor; }
#accountBackupCard { grid-area: backup; }
#activeSessionsCard { grid-area: sessions; }
#securityActivityCard { grid-area: activity; }
.settings-layout > .system-health { grid-area: health; }

.settings-layout > .panel {
  position: relative;
  overflow: hidden;
  border-color: rgba(39, 91, 111, .72);
  background:
    radial-gradient(circle at 100% 0, rgba(31, 222, 210, .055), transparent 34%),
    linear-gradient(145deg, rgba(7, 25, 37, .98), rgba(3, 14, 23, .98));
  box-shadow: 0 14px 36px rgba(0, 0, 0, .16);
}

.settings-layout > .panel::after {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  box-shadow: inset 0 1px rgba(255, 255, 255, .018);
  content: "";
  pointer-events: none;
}

.settings-layout > .settings-form {
  align-content: start;
  padding: 28px;
  background:
    radial-gradient(circle at 10% 0, rgba(122, 79, 244, .1), transparent 32%),
    linear-gradient(145deg, rgba(8, 26, 40, .98), rgba(3, 14, 23, .98));
}

.settings-layout .settings-profile {
  margin: -4px 0 6px;
  padding: 0 0 20px;
  border-bottom: 1px solid rgba(49, 91, 110, .48);
}

.settings-layout .settings-profile .user-avatar {
  border: 1px solid rgba(61, 240, 222, .55);
  background: linear-gradient(135deg, #16ddd0, #8458f2);
  box-shadow: 0 0 26px rgba(23, 219, 207, .18);
}

.settings-layout .settings-form > label { gap: 9px; color: #91aabb; font-size: 10px; }
.settings-layout .settings-form input,
.settings-layout .settings-form select { min-height: 44px; border-radius: 10px; background: rgba(3, 15, 24, .82); }
.settings-layout .settings-form .button { min-height: 42px; margin-top: 2px; }

.security-settings,
.advanced-setting-card,
.account-security-center {
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 24px;
}

.settings-feature-card { min-height: 205px; }
.settings-feature-heading { display: grid; grid-template-columns: 46px minmax(0, 1fr); align-items: start; gap: 14px; }
.settings-feature-heading h2,
.account-security-center h2 { margin: 6px 0 7px; font: 600 19px/1.2 Space Grotesk, sans-serif; color: #ecf8fc; }
.settings-feature-heading p,
.account-security-center .system-health-head p { margin: 0; color: #7894a6; font-size: 10px; line-height: 1.6; }
.settings-feature-icon {
  display: grid;
  width: 46px;
  height: 46px;
  place-items: center;
  border: 1px solid rgba(39, 223, 211, .28);
  border-radius: 13px;
  color: #43eadf;
  background: linear-gradient(145deg, rgba(24, 218, 205, .15), rgba(9, 36, 47, .5));
  box-shadow: 0 10px 24px rgba(0, 0, 0, .18);
}
.settings-feature-icon.violet { color: #bd99ff; border-color: rgba(151, 96, 255, .34); background: linear-gradient(145deg, rgba(131, 77, 239, .2), rgba(24, 24, 51, .5)); }
.settings-feature-icon.blue { color: #77bfff; border-color: rgba(60, 151, 255, .32); background: linear-gradient(145deg, rgba(43, 131, 242, .17), rgba(12, 33, 55, .55)); }
.settings-feature-icon svg { width: 20px; height: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; }

.settings-feature-card .security-status {
  display: flex;
  width: 100%;
  min-height: 42px;
  align-items: center;
  gap: 9px;
  padding: 10px 12px;
  border-color: rgba(45, 90, 109, .72);
  border-radius: 10px;
  background: rgba(2, 13, 21, .62);
  color: #9ab1c0;
}
.settings-feature-card .security-status::before { width: 7px; height: 7px; flex: 0 0 auto; border-radius: 50%; background: #668292; box-shadow: 0 0 10px rgba(102, 130, 146, .45); content: ""; }
.settings-feature-card .security-status.ready::before { background: #3ee0a2; box-shadow: 0 0 12px rgba(62, 224, 162, .65); }
.settings-feature-card .button { align-self: flex-start; min-height: 40px; margin-top: auto; }

#accountBackupCard { min-height: 0; }
.backup-action-panel {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 22px;
  padding: 15px;
  border: 1px solid rgba(40, 84, 105, .7);
  border-radius: 12px;
  background: rgba(3, 15, 24, .62);
}
.backup-action-panel > div:first-child { display: grid; gap: 5px; }
.backup-action-panel strong { color: #dcedf5; font-size: 12px; }
.backup-action-panel small { max-width: 520px; color: #718c9e; font-size: 9px; line-height: 1.55; }
.data-actions { display: flex; flex: 0 0 auto; flex-wrap: wrap; gap: 9px; }
.data-actions .button { min-height: 38px; margin: 0; }
.advanced-setting-card > small { min-height: 17px; color: #72ceb5; font-size: 9px; }

.account-security-center { min-height: 350px; }
.account-security-center .system-health-head { align-items: flex-start; }
.account-security-center .system-health-head > div { min-width: 0; }
.account-security-center .system-health-head .button { flex: 0 0 auto; min-height: 38px; }
.session-list, .activity-list {
  display: grid;
  align-content: start;
  gap: 9px;
  max-height: 390px;
  margin-top: 1px;
  padding-right: 4px;
  overflow-y: auto;
  scrollbar-color: #1c6671 transparent;
  scrollbar-width: thin;
}
.session-list::-webkit-scrollbar, .activity-list::-webkit-scrollbar { width: 5px; }
.session-list::-webkit-scrollbar-thumb, .activity-list::-webkit-scrollbar-thumb { background: #1c6671; border-radius: 999px; }
.account-session-item {
  display: grid;
  grid-template-columns: 42px minmax(0,1fr) auto;
  align-items: center;
  gap: 13px;
  padding: 13px 14px;
  border: 1px solid rgba(34, 75, 94, .75);
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(6, 24, 36, .88), rgba(3, 15, 24, .82));
  transition: border-color .18s ease, transform .18s ease, background .18s ease;
}
.account-session-item:hover { border-color: rgba(45, 143, 155, .65); transform: translateY(-1px); }
.account-session-item.current { border-color: rgba(31,221,208,.48); background: linear-gradient(135deg, rgba(10, 52, 57, .62), rgba(4, 24, 34, .82)); }
.session-device-icon { width: 42px; height: 42px; border-radius: 50%; display: grid; place-items: center; color: #29e3d7; background: rgba(24,218,207,.1); border: 1px solid rgba(24,218,207,.25); }
.session-device-icon svg { width: 19px; height: 19px; }
.account-session-item > div { display: grid; gap: 3px; min-width: 0; }
.account-session-item strong { color: #effcff; font-size: 12px; }
.account-session-item small { color: #7892a5; font-size: 9px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.account-session-item .button { min-height: 34px; padding: 7px 10px; font-size: 8px; }

.account-activity-item { display: grid; grid-template-columns: 9px minmax(0,1fr) auto; gap: 12px; align-items: center; padding: 12px 5px; border-bottom: 1px solid rgba(29,62,80,.64); }
.account-activity-item:last-child { border-bottom: 0; }
.account-activity-item > span { width: 8px; height: 8px; border-radius: 50%; background: #20d9cc; box-shadow: 0 0 12px rgba(32,217,204,.65); }
.account-activity-item > div { display: grid; gap: 4px; min-width: 0; }
.account-activity-item strong { color: #dcecf4; font-size: 13px; }
.account-activity-item small, .account-activity-item time { color: #718b9d; font-size: 11px; }
.account-activity-item time { white-space: nowrap; }

.two-factor-secret { display: grid; gap: 14px; }
.two-factor-secret > p { color: #9eb1c0; }
.two-factor-secret > code { padding: 14px; border: 1px solid #1e5364; border-radius: 10px; background: #031019; color: #51f1e5; font-size: 17px; font-weight: 700; letter-spacing: .12em; text-align: center; overflow-wrap: anywhere; }
.two-factor-secret > a { justify-self: start; }
.two-factor-secret form { display: grid; gap: 13px; padding-top: 4px; }

.share-analytics { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 8px; }
.share-analytics span { padding: 4px 7px; border: 1px solid rgba(46,91,112,.6); border-radius: 7px; color: #83a4b8; font-size: 10px; }

@media (max-width: 980px) {
  .settings-layout {
    grid-template-columns: 1fr;
    grid-template-areas:
      "profile"
      "recovery"
      "two-factor"
      "backup"
      "sessions"
      "activity"
      "health";
  }
  .account-security-center { min-height: 0; }
  .session-list, .activity-list { max-height: 430px; }
}

@media (max-width: 720px) {
  .smart-collection-row { margin-top: 10px; padding-bottom: 2px; }
  .smart-collection-row > span { display: none; }
  .smart-collection-row button { padding: 7px 11px; font-size: 11px; }
  .settings-layout { gap: 12px; }
  .settings-layout > .settings-form,
  .security-settings,
  .advanced-setting-card,
  .account-security-center { padding: 18px; }
  .settings-feature-card { min-height: 0; }
  .settings-feature-heading { grid-template-columns: 40px minmax(0, 1fr); gap: 11px; }
  .settings-feature-icon { width: 40px; height: 40px; border-radius: 11px; }
  .settings-feature-heading h2, .account-security-center h2 { font-size: 17px; }
  .backup-action-panel { align-items: stretch; flex-direction: column; gap: 14px; }
  .account-session-item { grid-template-columns: 36px minmax(0,1fr); }
  .account-session-item .button { grid-column: 1 / -1; width: 100%; }
  .session-device-icon { width: 36px; height: 36px; }
  .account-activity-item { grid-template-columns: 8px minmax(0,1fr); }
  .account-activity-item time { grid-column: 2; }
  .data-actions .button { flex: 1 1 130px; }
  .account-security-center .system-health-head { align-items: stretch; flex-direction: column; }
  .account-security-center .system-health-head .button { width: 100%; }
}