/* ═══════════════════════════════════════════
   SilentShield · Design System 2.0
   Black & White · Minimal · Premium
═══════════════════════════════════════════ */

:root {
  --bg:     #050505;
  --bg-1:   #0d0d0d;
  --bg-2:   #151515;
  --bg-3:   #1e1e1e;
  --fg:     #f2f2f2;
  --fg-2:   rgba(242, 242, 242, 0.6);
  --fg-3:   rgba(242, 242, 242, 0.3);
  --border: rgba(255, 255, 255, 0.07);
  --bd2:    rgba(255, 255, 255, 0.14);
  --bd3:    rgba(255, 255, 255, 0.24);
  --r-xs:   6px;
  --r-sm:   10px;
  --r:      16px;
  --r-lg:   22px;
  --r-xl:   32px;
  --font:   "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono:   ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
  --ease:   cubic-bezier(.4, 0, .2, 1);
  --dur:    .18s;
}

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

html { scroll-behavior: smooth; }

body {
  background: var(--bg);
  color: var(--fg);
  font-family: var(--font);
  font-size: 1rem;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  min-height: 100vh;
}

a { color: inherit; text-decoration: none; }

img { display: block; max-width: 100%; }

/* ─── Container ─── */
.wrap {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ─── Topbar ─── */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  height: 60px;
  border-bottom: 1px solid var(--border);
  background: rgba(5, 5, 5, .88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

.logo {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--fg);
  flex-shrink: 0;
}

.nav {
  display: flex;
  align-items: center;
  gap: .4rem;
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border);
  color: var(--fg);
  border-radius: var(--r-sm);
  padding: .45rem .65rem;
  cursor: pointer;
  font-size: 1.1rem;
  line-height: 1;
}

@media (max-width: 680px) {
  .nav-toggle { display: flex; }
  .nav {
    display: none;
    position: absolute;
    top: 60px;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: var(--bg-1);
    border-bottom: 1px solid var(--border);
    padding: 1rem 1.5rem;
    gap: .4rem;
  }
  .nav.open { display: flex; }
  .nav .btn { justify-content: center; }
}

/* ─── Buttons ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .4rem;
  padding: .55rem 1rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .04);
  color: var(--fg);
  cursor: pointer;
  font: 500 .875rem var(--font);
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
  white-space: nowrap;
  text-decoration: none;
  -webkit-user-select: none;
  user-select: none;
}

.btn:hover {
  background: rgba(255, 255, 255, .09);
  border-color: var(--bd2);
}

.btn:active { transform: translateY(1px); }

.btn-primary {
  background: var(--fg);
  color: #000;
  border-color: var(--fg);
  font-weight: 600;
}

.btn-primary:hover {
  background: #e0e0e0;
  border-color: #e0e0e0;
}

.btn-ghost {
  background: transparent;
  border-color: transparent;
}

.btn-ghost:hover {
  background: rgba(255, 255, 255, .05);
  border-color: transparent;
}

.btn-lg {
  padding: .8rem 1.75rem;
  font-size: 1rem;
  border-radius: var(--r);
}

.btn-sm {
  padding: .4rem .75rem;
  font-size: .8rem;
  border-radius: var(--r-xs);
}

.btn:disabled {
  opacity: .4;
  cursor: not-allowed;
  pointer-events: none;
}

/* ─── Forms ─── */
.field {
  display: flex;
  flex-direction: column;
  gap: .35rem;
  margin-bottom: 1rem;
}

label {
  font-size: .75rem;
  font-weight: 600;
  color: var(--fg-3);
  letter-spacing: .07em;
  text-transform: uppercase;
}

.input-wrap { position: relative; }

input,
select,
textarea {
  width: 100%;
  padding: .75rem 1rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--bg-2);
  color: var(--fg);
  font: 400 .95rem var(--font);
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
  outline: none;
  appearance: none;
}

input:focus,
select:focus,
textarea:focus {
  border-color: var(--bd2);
  background: var(--bg-3);
}

input[type="password"].has-toggle,
input[type="text"].has-toggle {
  padding-right: 3rem;
}

/* eye-btn styles are in the checkbox section above */

textarea {
  min-height: 96px;
  resize: vertical;
  font-family: var(--mono);
  font-size: .78rem;
  line-height: 1.5;
}

/* ─── Messages ─── */
.msg {
  padding: .75rem 1rem;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .03);
  color: var(--fg-2);
  font-size: .875rem;
  margin: .75rem 0;
}

.msg.error {
  border-color: rgba(255, 80, 80, .28);
  background: rgba(255, 50, 50, .06);
  color: #ffb0b0;
}

.msg.ok {
  border-color: rgba(80, 255, 160, .25);
  background: rgba(50, 255, 130, .05);
  color: #9dffd0;
}

/* ─── Cards ─── */
.card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
}

.card-sm { padding: 1rem; }
.card-lg { padding: 2rem; }

/* ─── Grid ─── */
.grid { display: grid; gap: 1rem; }

@media (min-width: 600px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 800px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
}

/* ─── Hero ─── */
.hero {
  padding: 5.5rem 0 3.5rem;
  animation: fadeIn .7s var(--ease) both;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: 1.5rem;
  padding: .3rem .85rem;
  border: 1px solid var(--border);
  border-radius: 100px;
}

.hero-eyebrow::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--fg-2);
}

.hero h1 {
  font-size: clamp(2.25rem, 6vw, 4rem);
  font-weight: 800;
  letter-spacing: -.035em;
  line-height: 1.08;
  margin-bottom: 1.25rem;
}

.hero h1 em {
  font-style: normal;
  color: var(--fg-2);
}

.lead {
  color: var(--fg-2);
  font-size: 1.05rem;
  line-height: 1.7;
  max-width: 52ch;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  margin-top: 2rem;
}

/* ─── Section ─── */
.section {
  padding: 4.5rem 0;
  border-top: 1px solid var(--border);
}

.section-label {
  font-size: .68rem;
  font-weight: 700;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--fg-3);
  margin-bottom: .6rem;
}

.section-title {
  font-size: clamp(1.5rem, 3.5vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -.025em;
  line-height: 1.18;
  margin-bottom: .85rem;
}

.section-sub {
  color: var(--fg-2);
  max-width: 48ch;
  margin-bottom: 2.5rem;
}

/* ─── Feature cards ─── */
.feat-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.5rem;
  transition:
    border-color var(--dur) var(--ease),
    background var(--dur) var(--ease);
  animation: rise .55s var(--ease) both;
}

.feat-card:hover {
  border-color: var(--bd2);
  background: var(--bg-2);
}

.feat-icon {
  width: 2.4rem;
  height: 2.4rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--r-sm);
  border: 1px solid var(--border);
  background: var(--bg-2);
  font-size: 1rem;
  margin-bottom: .875rem;
}

.feat-card h3 {
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: .35rem;
}

.feat-card p {
  font-size: .85rem;
  color: var(--fg-2);
  line-height: 1.6;
}

/* ─── Steps ─── */
.steps-row {
  display: grid;
  gap: 1px;
  background: var(--border);
  border-radius: var(--r);
  overflow: hidden;
  border: 1px solid var(--border);
}

@media (min-width: 600px) {
  .steps-row { grid-template-columns: repeat(3, 1fr); }
}

.step-block {
  background: var(--bg-1);
  padding: 2rem 1.5rem;
}

.step-num {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--fg-3);
  line-height: 1;
  margin-bottom: .75rem;
  letter-spacing: -.04em;
}

.step-block h3 {
  font-size: .95rem;
  font-weight: 600;
  margin-bottom: .35rem;
}

.step-block p {
  font-size: .85rem;
  color: var(--fg-2);
}

/* ─── Tabs (platform instructions) ─── */
.tabs {
  display: flex;
  gap: 0;
  border-bottom: 1px solid var(--border);
  margin-bottom: 1.5rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.tabs::-webkit-scrollbar { display: none; }

.tab-btn {
  padding: .65rem 1.1rem;
  background: none;
  border: none;
  color: var(--fg-3);
  font: 500 .85rem var(--font);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--dur), border-color var(--dur);
  white-space: nowrap;
}

.tab-btn:hover { color: var(--fg-2); }

.tab-btn.active {
  color: var(--fg);
  border-bottom-color: var(--fg);
}

.tab-panel { display: none; }
.tab-panel.active { display: block; animation: fadeIn .28s var(--ease); }

/* ─── Instructions steps list ─── */
.inst-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .875rem;
}

.inst-list li {
  display: flex;
  gap: .875rem;
  align-items: flex-start;
}

.step-badge {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--bg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: .72rem;
  font-weight: 700;
  color: var(--fg-2);
  margin-top: .1rem;
}

.inst-list li p {
  font-size: .9rem;
  color: var(--fg-2);
  line-height: 1.55;
}

.inst-list li strong { color: var(--fg); }

.app-badge {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  padding: .5rem .875rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-2);
  font-size: .8rem;
  color: var(--fg-2);
  margin-top: .75rem;
}

.app-badge strong { color: var(--fg); font-weight: 600; }
.app-badge a, .inst-list a {
  color: var(--fg);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-color: rgba(255,255,255,.3);
  transition: text-decoration-color .15s;
}
.app-badge a:hover, .inst-list a:hover {
  text-decoration-color: var(--fg);
}

/* ─── Dashboard tabs ─── */
.dash-tabs {
  display: flex;
  border-bottom: 1px solid var(--border);
  margin-bottom: 2rem;
  overflow-x: auto;
  scrollbar-width: none;
}

.dash-tabs::-webkit-scrollbar { display: none; }

.dash-tab {
  padding: .875rem 1.25rem;
  background: none;
  border: none;
  color: var(--fg-3);
  font: 500 .875rem var(--font);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  transition: color var(--dur), border-color var(--dur);
  white-space: nowrap;
}

.dash-tab:hover { color: var(--fg-2); }

.dash-tab.active {
  color: var(--fg);
  border-bottom-color: var(--fg);
}

.dash-panel { display: none; }
.dash-panel.active { display: block; animation: fadeIn .25s var(--ease); }

/* ─── QR ─── */
.qr {
  width: 200px;
  height: 200px;
  border-radius: var(--r);
  background: #fff;
  padding: 8px;
  display: block;
}

/* ─── Mono ─── */
.mono {
  font-family: var(--mono);
  font-size: .78rem;
  word-break: break-all;
  background: var(--bg-2);
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  padding: .875rem 1rem;
  color: var(--fg-2);
  line-height: 1.5;
  width: 100%;
}

/* ─── Table ─── */
.table-wrap {
  overflow-x: auto;
  border-radius: var(--r);
  border: 1px solid var(--border);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
}

thead th {
  text-align: left;
  padding: .75rem 1rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg-3);
  border-bottom: 1px solid var(--border);
  background: var(--bg-1);
}

tbody td {
  padding: .875rem 1rem;
  border-bottom: 1px solid var(--border);
  color: var(--fg-2);
}

tbody tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: rgba(255, 255, 255, .015); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: .3rem;
  padding: .18rem .6rem;
  border-radius: 100px;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .05em;
}

.badge-ok {
  background: rgba(80, 255, 160, .08);
  color: #7affc0;
  border: 1px solid rgba(80, 255, 160, .2);
}

.badge-pending {
  background: rgba(255, 220, 80, .07);
  color: #ffd97a;
  border: 1px solid rgba(255, 220, 80, .18);
}

.badge-fail {
  background: rgba(255, 80, 80, .07);
  color: #ffb0b0;
  border: 1px solid rgba(255, 80, 80, .18);
}

/* ─── Custom checkbox ─── */
.check-row {
  display: flex;
  align-items: center;
  gap: .65rem;
  margin-bottom: 1.25rem;
  cursor: pointer;
  -webkit-user-select: none;
  user-select: none;
}

.check-row input[type="checkbox"] {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
  pointer-events: none;
}

.check-box {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  border: 1px solid var(--bd2);
  border-radius: 5px;
  background: var(--bg-2);
  display: flex;
  align-items: center;
  justify-content: center;
  transition:
    background var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.check-box svg {
  opacity: 0;
  transform: scale(.6);
  transition:
    opacity var(--dur) var(--ease),
    transform var(--dur) var(--ease);
}

.check-row input:checked ~ .check-box {
  background: var(--fg);
  border-color: var(--fg);
}

.check-row input:checked ~ .check-box svg {
  opacity: 1;
  transform: scale(1);
}

.check-row:hover .check-box {
  border-color: var(--bd3);
}

.check-text {
  font-size: .875rem;
  color: var(--fg-2);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
}

/* Better eye button */
.eye-btn {
  position: absolute;
  right: .7rem;
  top: 50%;
  transform: translateY(-50%);
  background: none;
  border: none;
  color: var(--fg-3);
  cursor: pointer;
  padding: .35rem;
  display: flex;
  align-items: center;
  border-radius: var(--r-xs);
  transition: color var(--dur), background var(--dur);
  line-height: 1;
}

.eye-btn:hover {
  color: var(--fg-2);
  background: rgba(255,255,255,.06);
}

.eye-btn:active { color: var(--fg); }

/* ─── Auth pages (centered card) ─── */
.auth-wrap {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  background:
    radial-gradient(ellipse 60% 50% at 50% -10%, rgba(255,255,255,.04) 0%, transparent 70%);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--bg-1);
  border: 1px solid var(--bd2);
  border-radius: var(--r-lg);
  padding: 2.5rem;
  animation: rise .5s var(--ease) both;
}

.auth-logo {
  display: inline-block;
  font-size: .75rem;
  font-weight: 800;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--fg);
  margin-bottom: 2rem;
}

.auth-title {
  font-size: 1.75rem;
  font-weight: 700;
  letter-spacing: -.025em;
  margin-bottom: .35rem;
}

.auth-sub {
  font-size: .875rem;
  color: var(--fg-2);
  margin-bottom: 2rem;
  line-height: 1.5;
}

.auth-footer {
  text-align: center;
  font-size: .825rem;
  color: var(--fg-3);
  margin-top: 1.5rem;
  display: flex;
  flex-direction: column;
  gap: .5rem;
}

.auth-footer a {
  color: var(--fg-2);
  border-bottom: 1px solid rgba(242,242,242,.15);
  padding-bottom: 1px;
  transition: color var(--dur), border-color var(--dur);
}

.auth-footer a:hover { color: var(--fg); border-bottom-color: var(--fg-2); }

.auth-link {
  display: block;
  text-align: right;
  font-size: .78rem;
  color: var(--fg-3);
  margin-top: -.5rem;
  margin-bottom: 1.1rem;
  transition: color var(--dur);
}

.auth-link:hover { color: var(--fg-2); }

.auth-divider {
  display: flex;
  align-items: center;
  gap: .75rem;
  margin: 1.25rem 0;
  color: var(--fg-3);
  font-size: .75rem;
}

.auth-divider::before,
.auth-divider::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ─── Status bar ─── */
.status-bar {
  display: flex;
  align-items: center;
  gap: .875rem;
  padding: 1rem 1.25rem;
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r);
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.status-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  flex-shrink: 0;
}

.status-dot.active {
  background: #4dff9c;
  box-shadow: 0 0 6px rgba(77, 255, 156, .5);
}

.status-dot.inactive { background: var(--fg-3); }

.status-label {
  font-size: .875rem;
  color: var(--fg-2);
}

.status-label strong { color: var(--fg); }

/* ─── Pricing cards ─── */
.pricing-card {
  background: var(--bg-1);
  border: 1px solid var(--border);
  border-radius: var(--r);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: .6rem;
  transition:
    border-color var(--dur) var(--ease),
    transform var(--dur) var(--ease);
  animation: rise .55s var(--ease) both;
}

.pricing-card:hover {
  border-color: var(--bd2);
  transform: translateY(-2px);
}

.pricing-card.featured { border-color: var(--bd3); background: var(--bg-2); }

.plan-name {
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg-3);
}

.price {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -.04em;
  line-height: 1;
}

.price sup {
  font-size: 1rem;
  font-weight: 600;
  vertical-align: super;
}

.price-period {
  font-size: .8rem;
  color: var(--fg-3);
  font-weight: 400;
}

.plan-perks {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: .4rem;
  flex: 1;
  margin: .25rem 0;
}

.plan-perks li {
  display: flex;
  align-items: flex-start;
  gap: .5rem;
  font-size: .85rem;
  color: var(--fg-2);
}

.plan-perks li::before {
  content: '✓';
  color: var(--fg-3);
  font-size: .75rem;
  flex-shrink: 0;
  margin-top: .1rem;
}

/* ─── Footer ─── */
.footer {
  padding: 3rem 0 2rem;
  border-top: 1px solid var(--border);
  color: var(--fg-3);
  font-size: .8rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer a {
  color: var(--fg-3);
  transition: color var(--dur);
}

.footer a:hover { color: var(--fg-2); }

.footer-links {
  display: flex;
  gap: 1.25rem;
}

/* ─── Divider ─── */
.divider {
  height: 1px;
  background: var(--border);
  margin: 1.5rem 0;
}

/* ─── Utilities ─── */
.text-muted  { color: var(--fg-2); }
.text-dim    { color: var(--fg-3); }
.text-sm     { font-size: .875rem; }
.text-xs     { font-size: .75rem; }
.fw-6        { font-weight: 600; }
.fw-7        { font-weight: 700; }
.mt-1        { margin-top: .5rem; }
.mt-2        { margin-top: 1rem; }
.mt-3        { margin-top: 1.5rem; }
.mt-4        { margin-top: 2rem; }
.mb-1        { margin-bottom: .5rem; }
.mb-2        { margin-bottom: 1rem; }
.mb-3        { margin-bottom: 1.5rem; }
.flex        { display: flex; }
.flex-col    { flex-direction: column; }
.flex-wrap   { flex-wrap: wrap; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.gap-sm      { gap: .5rem; }
.gap-md      { gap: 1rem; }
.w-full      { width: 100%; }

/* ─── Scrollbar ─── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--bg-3); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255, 255, 255, .18); }

/* ─── Keyframes ─── */
@keyframes fadeIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

@keyframes rise {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}