/* Личный кабинет Proxy — сдержанный интерфейс */
:root {
  --bg: #0c0d0f;
  --bg-elevated: #131418;
  --bg-block: #16171c;
  --bg-hover: #1a1b21;
  --border: #25262b;
  --border-light: #2c2d33;
  --text: #e8e9ec;
  --text-secondary: #9ca0a8;
  --text-muted: #6b6f78;
  --accent: #3b82f6;
  --accent-hover: #2563eb;
  --accent-subtle: rgba(59, 130, 246, 0.12);
  --success: #22c55e;
  --success-subtle: rgba(34, 197, 94, 0.12);
  --danger: #ef4444;
  --radius: 8px;
  --radius-sm: 6px;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --safe-top: env(safe-area-inset-top, 0);
  --safe-bottom: env(safe-area-inset-bottom, 0);
}

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

html {
  font-size: 15px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  min-height: 100dvh;
  padding-bottom: var(--safe-bottom);
  line-height: 1.45;
}

#app {
  max-width: 480px;
  margin: 0 auto;
  min-height: 100vh;
  padding: 0 16px;
  overflow-x: hidden;
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
  padding: 10px 0 12px;
  padding-top: calc(10px + var(--safe-top));
  border-bottom: 1px solid var(--border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo {
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.header-balance {
  display: flex;
  align-items: baseline;
  gap: 6px;
}

.header-balance-label {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.header-balance-value {
  font-size: 0.95rem;
  font-weight: 600;
}

/* Main */
.main {
  padding: 20px 0 28px;
}

.screen {
  display: none;
  animation: fadeIn 0.2s ease;
}

.screen.active {
  display: block;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

/* Dashboard */
.dashboard {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.dashboard-greeting {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text);
}

.dashboard-sub {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: -14px;
}

/* Metrics row */
.metrics {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.metric {
  background: var(--bg-block);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 10px;
  text-align: center;
}

.metric-label {
  display: block;
  font-size: 0.7rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 4px;
}

.metric-value {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
}

.metric-value--muted {
  font-weight: 500;
  color: var(--text-secondary);
  font-size: 0.8rem;
}

/* Block */
.block {
  background: var(--bg-block);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

.block-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.block-title {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.block-badge {
  font-size: 0.7rem;
  font-weight: 500;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.block-badge--inactive {
  background: var(--border-light);
  color: var(--text-muted);
}

.block-badge--active {
  background: var(--success-subtle);
  color: var(--success);
}

/* Proxy status / details */
.proxy-status,
.proxy-details {
  margin-top: 0;
}

.proxy-status.hidden,
.proxy-details.hidden {
  display: none !important;
}

.proxy-empty {
  font-size: 0.85rem;
  color: var(--text-muted);
  line-height: 1.5;
}

.proxy-details .data-list {
  margin: 0;
}

.proxy-link {
  display: block;
  font-size: 0.75rem;
  font-family: var(--font);
  word-break: break-all;
  background: var(--bg-elevated);
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  margin: 6px 0 8px;
  color: var(--text-secondary);
  border: 1px solid var(--border);
}

.proxy-date {
  font-size: 0.9rem;
  font-weight: 500;
}

/* Data list */
.data-list {
  list-style: none;
}

.data-list-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
}

.data-list-row:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.data-list-row dt {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.data-list-row dd {
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* Nav grid */
.nav-grid {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.nav-tile {
  display: flex;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 14px 12px 14px 0;
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  text-align: left;
  transition: background 0.15s;
}

.nav-tile:hover,
.nav-tile:active {
  background: var(--bg-hover);
}

.nav-tile-icon {
  display: none;
}

.nav-tile-label {
  flex: 1;
}

.nav-tile-arrow {
  width: 0;
  height: 0;
  border-top: 4px solid transparent;
  border-bottom: 4px solid transparent;
  border-left: 5px solid var(--text-muted);
  flex-shrink: 0;
}

/* Buttons */
.btn {
  font-family: var(--font);
  font-size: 0.9rem;
  font-weight: 500;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: none;
  transition: background 0.15s, color 0.15s;
}

.btn-sm {
  padding: 6px 10px;
  font-size: 0.8rem;
}

.btn-primary {
  background: var(--accent);
  color: #fff;
  padding: 10px 16px;
}

.btn-primary:hover {
  background: var(--accent-hover);
}

.btn-secondary {
  background: var(--bg-hover);
  color: var(--text);
  padding: 8px 14px;
  border: 1px solid var(--border);
}

.btn-secondary:hover {
  background: var(--border-light);
}

.btn-ghost {
  background: transparent;
  color: var(--accent);
}

.btn-ghost:hover {
  background: var(--accent-subtle);
}

.btn-block {
  width: 100%;
  margin-top: 12px;
  padding: 12px;
}

.copy-btn:active {
  opacity: 0.9;
}

.back-btn {
  font-family: var(--font);
  font-size: 0.85rem;
  color: var(--text-secondary);
  background: none;
  border: none;
  margin-bottom: 12px;
  padding: 0;
  cursor: pointer;
}

.back-btn:hover {
  color: var(--text);
}

/* Screen bar & titles */
.screen-bar {
  margin-bottom: 8px;
}

.screen-head {
  font-size: 1.25rem;
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--text);
}

.screen-desc {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-bottom: 20px;
  line-height: 1.5;
}

/* Plans */
.plans {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 16px;
  max-width: 100%;
}

.plan {
  position: relative;
  background: var(--bg-block);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  transition: border-color 0.15s;
  min-width: 0;
}

.plan:hover {
  border-color: var(--border-light);
}

.plan--featured {
  border-color: var(--accent);
  background: var(--accent-subtle);
  padding-top: 28px;
}

.plan--featured .plan-tag {
  top: 8px;
  left: 12px;
  right: auto;
}

.plan-tag {
  position: absolute;
  top: 10px;
  right: 12px;
  left: auto;
  font-size: 0.65rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--accent);
  white-space: nowrap;
}

.plan-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
  margin-bottom: 4px;
}

.plan-name {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.plan-price {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
}

.plan-meta {
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-bottom: 12px;
  display: block;
}

.plan .plan-btn {
  width: 100%;
}

.form-note {
  font-size: 0.8rem;
  color: var(--text-muted);
  line-height: 1.5;
}

/* Extend */
.extend-empty {
  margin-bottom: 16px;
}

.extend-hint {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.extend-hint a {
  color: var(--accent);
  text-decoration: none;
}

.extend-hint a:hover {
  text-decoration: underline;
}

/* Support */
.support-main-link {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 16px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  margin-bottom: 16px;
  transition: border-color 0.15s, background 0.15s;
}

.support-main-link:hover {
  border-color: var(--accent);
  background: var(--accent-subtle);
}

.support-main-label {
  font-size: 0.9rem;
  font-weight: 500;
}

.support-main-account {
  font-size: 0.85rem;
  color: var(--accent);
}

.support-form {
  margin-top: 16px;
}

.label {
  display: block;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  margin-bottom: 8px;
}

.input {
  width: 100%;
  font-family: var(--font);
  font-size: 0.9rem;
  padding: 10px 12px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  margin-bottom: 12px;
}

.input::placeholder {
  color: var(--text-muted);
}

.input:focus {
  outline: none;
  border-color: var(--accent);
}

.input--textarea {
  min-height: 100px;
  resize: vertical;
}

/* History */
.history-wrap {
  margin-top: 8px;
}

.history-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.history-empty {
  font-size: 0.9rem;
  color: var(--text-muted);
  text-align: center;
  padding: 32px 20px;
  background: var(--bg-block);
  border: 1px dashed var(--border);
  border-radius: var(--radius);
}

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 12px;
  padding: 14px 16px;
  background: var(--bg-block);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.history-item .title {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text);
}

.history-item .date {
  font-size: 0.75rem;
  color: var(--text-muted);
  margin-top: 4px;
}

.history-item .amount {
  font-size: 0.9rem;
  font-weight: 600;
  white-space: nowrap;
}

.history-item .amount.plus {
  color: var(--success);
}

.history-item .amount.minus {
  color: var(--danger);
}

/* FAQ */
.faq-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.faq-item {
  background: var(--bg-block);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.faq-item summary {
  padding: 14px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: '+';
  font-size: 1.1rem;
  color: var(--text-muted);
  font-weight: 300;
}

.faq-item[open] summary::after {
  content: '−';
}

.faq-item p {
  padding: 0 16px 14px;
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
  border-top: 1px solid var(--border);
  margin: 0 16px 14px;
  padding-top: 12px;
}

/* Referral */
.referral-stats {
  margin-bottom: 16px;
}

.referral-stats .data-list-row {
  padding: 8px 0;
}

.referral-link-row {
  display: flex;
  gap: 8px;
  margin-bottom: 12px;
}

.referral-link-row .input {
  flex: 1;
  margin-bottom: 0;
}

/* Toast */
.toast {
  position: fixed;
  bottom: calc(20px + var(--safe-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(80px);
  padding: 10px 18px;
  font-size: 0.85rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4);
  opacity: 0;
  transition: transform 0.25s ease, opacity 0.25s ease;
  z-index: 100;
  max-width: calc(100% - 32px);
}

.toast.show {
  transform: translateX(-50%) translateY(0);
  opacity: 1;
}

.hidden {
  display: none !important;
}

@media (min-width: 420px) {
  .plans {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 560px) {
  .plans {
    grid-template-columns: repeat(3, 1fr);
  }
}