/* Theme tokens */
:root,
[data-theme="dark"] {
  --bg: #0c0e14;
  --bg-elevated: #141822;
  --surface: rgba(20, 24, 34, 0.88);
  --surface-hover: rgba(28, 34, 48, 0.95);
  --text: #eef1f8;
  --muted: #9aa3b5;
  --border: rgba(255, 255, 255, 0.08);
  --border-strong: rgba(255, 255, 255, 0.14);
  --accent: #6ea8ff;
  --accent-soft: rgba(110, 168, 255, 0.2);
  --accent-2: #a78bfa;
  --link: #f97316;
  --link-hover: #fb923c;
  --danger: #f87171;
  --danger-soft: rgba(248, 113, 113, 0.15);
  --success: #34d399;
  --success-soft: rgba(52, 211, 153, 0.15);
  --amber: #fbbf24;
  --amber-soft: rgba(251, 191, 36, 0.15);
  --violet-soft: rgba(167, 139, 250, 0.15);
  --mint-soft: rgba(52, 211, 153, 0.12);
  --shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
  --glow-1: rgba(110, 168, 255, 0.22);
  --glow-2: rgba(167, 139, 250, 0.12);
  --btn-primary-text: #0c0e14;
  --overlay: rgba(0, 0, 0, 0.65);
  --card-pro: rgba(251, 191, 36, 0.12);
  --card-premium: rgba(96, 165, 250, 0.12);
  --card-business: rgba(52, 211, 153, 0.12);
}

[data-theme="light"] {
  --bg: #f4f6fb;
  --bg-elevated: #ffffff;
  --surface: rgba(255, 255, 255, 0.94);
  --surface-hover: #ffffff;
  --text: #1a1f2e;
  --muted: #5c6578;
  --border: rgba(15, 23, 42, 0.1);
  --border-strong: rgba(15, 23, 42, 0.16);
  --accent: #3b7ddd;
  --accent-soft: rgba(59, 125, 221, 0.14);
  --accent-2: #7c5cbf;
  --link: #ea580c;
  --link-hover: #f97316;
  --danger: #dc2626;
  --danger-soft: rgba(220, 38, 38, 0.1);
  --success: #059669;
  --success-soft: rgba(5, 150, 105, 0.1);
  --amber: #d97706;
  --amber-soft: rgba(217, 119, 6, 0.1);
  --violet-soft: rgba(124, 92, 191, 0.1);
  --mint-soft: rgba(5, 150, 105, 0.08);
  --shadow: 0 8px 28px rgba(15, 23, 42, 0.1);
  --glow-1: rgba(59, 125, 221, 0.14);
  --glow-2: rgba(124, 92, 191, 0.08);
  --btn-primary-text: #ffffff;
  --overlay: rgba(15, 23, 42, 0.4);
  --card-pro: rgba(217, 119, 6, 0.08);
  --card-premium: rgba(59, 125, 221, 0.08);
  --card-business: rgba(5, 150, 105, 0.08);
}

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

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

body {
  margin: 0;
  min-height: 100dvh;
  font-family: "Manrope", system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}

a:not(.btn) {
  color: var(--link);
  text-decoration: underline;
  text-decoration-color: rgba(249, 115, 22, 0.4);
  text-underline-offset: 2px;
  font-weight: 600;
}

a:not(.btn):hover {
  color: var(--link-hover);
}

.bg-glow {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 90% 55% at 50% -5%, var(--glow-1), transparent),
    radial-gradient(ellipse 70% 45% at 100% 20%, var(--glow-2), transparent);
  z-index: 0;
}

#app {
  position: relative;
  z-index: 1;
  max-width: 28rem;
  margin: 0 auto;
  padding: 0 1rem calc(5.5rem + env(safe-area-inset-bottom, 0px));
  padding-top: env(safe-area-inset-top, 0px);
}

.hidden {
  display: none !important;
}

.muted {
  color: var(--muted);
  font-weight: 500;
}

/* Header */
.site-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 0 0.85rem;
  position: sticky;
  top: 0;
  z-index: 10;
  background: linear-gradient(180deg, var(--bg) 70%, transparent);
  backdrop-filter: blur(8px);
}

.header-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  min-width: 0;
}

.logo-mark {
  font-size: 1.35rem;
  line-height: 1;
  flex-shrink: 0;
  width: 2.5rem;
  height: 2.5rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-soft);
  border-radius: 12px;
}

.logo {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.subtitle {
  margin: 0.1rem 0 0;
  color: var(--muted);
  font-size: 0.76rem;
  font-weight: 500;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-shrink: 0;
}

#auth-bar .btn-ghost {
  padding: 0.45rem 0.75rem;
  font-size: 0.8rem;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-size: 1rem;
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s;
}

.icon-btn:hover {
  background: var(--surface-hover);
  border-color: var(--border-strong);
}

.icon-btn--danger:hover {
  background: var(--danger-soft);
  border-color: transparent;
}

[data-theme="dark"] .theme-icon--light,
[data-theme="light"] .theme-icon--dark {
  display: none;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  font: inherit;
  font-weight: 600;
  font-size: 0.88rem;
  cursor: pointer;
  border-radius: 12px;
  border: 1px solid transparent;
  padding: 0.62rem 1rem;
  text-decoration: none;
  transition: transform 0.12s, box-shadow 0.15s, background 0.15s;
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: var(--btn-primary-text);
  border: none;
  box-shadow: 0 4px 16px var(--accent-soft);
}

.btn-primary:hover:not(:disabled) {
  box-shadow: 0 6px 20px var(--accent-soft);
}

.btn-ghost {
  background: var(--surface);
  color: var(--muted);
  border-color: var(--border);
}

.btn-ghost:hover:not(:disabled) {
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-block {
  width: 100%;
}

.btn-add {
  padding: 0.5rem 0.85rem;
  font-size: 0.82rem;
  white-space: nowrap;
}

.btn-add-icon {
  font-size: 1.1rem;
  font-weight: 700;
  line-height: 1;
}

.btn-sm {
  padding: 0.38rem 0.65rem;
  font-size: 0.76rem;
  border-radius: 9px;
}

.btn-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border-color: transparent;
}

/* Cards */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 1.1rem 1.15rem;
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  margin-bottom: 0.75rem;
}

.card--accent {
  border-color: var(--border-strong);
  background: linear-gradient(145deg, var(--surface), var(--accent-soft));
}

.panel {
  margin-top: 0.5rem;
  text-align: center;
}

.panel-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.panel h2 {
  margin: 0 0 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
}

.panel-lead {
  margin: 0 0 1.25rem;
  color: var(--muted);
  font-size: 0.92rem;
}

.form-error {
  margin: 0.85rem 0 0;
  color: var(--danger);
  font-size: 0.85rem;
}

/* Hero / profile */
.hero-card {
  padding: 1.2rem 1.15rem 1.15rem;
}

.profile-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.profile-avatar {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--btn-primary-text);
  flex-shrink: 0;
}

.profile-info {
  min-width: 0;
}

.profile-label {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.profile-name {
  margin: 0.12rem 0 0;
  font-weight: 700;
  font-size: 1.05rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.tier-badge {
  display: inline-block;
  margin-top: 0.35rem;
  padding: 0.18rem 0.55rem;
  font-size: 0.68rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-radius: 6px;
  background: var(--accent-soft);
  color: var(--accent);
}

.tier-badge--pro {
  color: var(--amber);
  background: var(--card-pro);
}

.tier-badge--premium {
  color: #60a5fa;
  background: var(--card-premium);
}

.tier-badge--business {
  color: var(--success);
  background: var(--card-business);
}

.hero-sub {
  margin: 0.75rem 0 0.85rem;
  font-size: 0.85rem;
  color: var(--muted);
}

.usage-meter__head {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 0.4rem;
}

.usage-meter__head strong {
  color: var(--text);
}

.usage-meter__track {
  height: 8px;
  border-radius: 99px;
  background: var(--border);
  overflow: hidden;
}

.usage-meter__fill {
  height: 100%;
  border-radius: 99px;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  transition: width 0.35s ease;
}

/* Stat grid */
.stat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
}

.stat-card {
  display: flex;
  gap: 0.55rem;
  align-items: flex-start;
  padding: 0.85rem 0.8rem;
  border-radius: 14px;
  border: 1px solid var(--border);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.stat-card--blue {
  border-color: var(--accent-soft);
  background: linear-gradient(160deg, var(--surface), var(--accent-soft));
}

.stat-card--violet {
  border-color: var(--violet-soft);
  background: linear-gradient(160deg, var(--surface), var(--violet-soft));
}

.stat-card--amber {
  border-color: var(--amber-soft);
  background: linear-gradient(160deg, var(--surface), var(--amber-soft));
}

.stat-card--mint {
  border-color: var(--mint-soft);
  background: linear-gradient(160deg, var(--surface), var(--mint-soft));
}

.stat-card__icon {
  font-size: 1.25rem;
  line-height: 1;
}

.stat-card__label {
  margin: 0;
  font-size: 0.68rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.stat-card__value {
  margin: 0.1rem 0 0;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.stat-card__sub {
  margin: 0.05rem 0 0;
  font-size: 0.72rem;
  color: var(--muted);
}

/* Info sections */
.section-title {
  margin: 0 0 0.65rem;
  font-size: 0.95rem;
  font-weight: 700;
}

.section-hint {
  margin: -0.35rem 0 0.75rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.65rem;
}

.section-head-inline {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 0.65rem;
}

.section-head-inline .section-title {
  margin: 0;
}

.info-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.info-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid var(--border);
  font-size: 0.88rem;
}

.info-list li:last-child {
  border-bottom: none;
}

.info-list span {
  color: var(--muted);
}

.action-grid {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* Memory */
.memory-list {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.memory-item {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  padding: 0.65rem 0.7rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.memory-item__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.5rem;
}

.memory-item__index {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  min-width: 1.2rem;
}

.memory-item__text {
  margin: 0;
  font-size: 0.88rem;
  word-break: break-word;
}

.chip {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 0.12rem 0.4rem;
  border-radius: 5px;
}

.chip--muted {
  background: var(--border);
  color: var(--muted);
}

.chip--accent {
  background: var(--accent-soft);
  color: var(--accent);
}

.topic-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
}

.topic-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.35rem 0.35rem 0.65rem;
  border-radius: 99px;
  border: 1px solid var(--border-strong);
  background: var(--accent-soft);
  font-size: 0.82rem;
}

.topic-chip__weight {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  background: var(--surface);
  padding: 0.1rem 0.35rem;
  border-radius: 99px;
}

.topic-chip__del {
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
  padding: 0 0.2rem;
}

.topic-chip__del:hover {
  color: var(--danger);
}

.hint-banner {
  margin: 0.75rem 0 0;
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  background: var(--amber-soft);
  font-size: 0.82rem;
  color: var(--text);
}

.empty-inline {
  margin: 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.upsell-card {
  text-align: center;
}

/* Persona */
.persona-grid {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
}

.persona-pill {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  text-align: left;
  padding: 0.7rem 0.85rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font: inherit;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}

.persona-pill:hover:not(:disabled) {
  border-color: var(--accent);
}

.persona-pill--active {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.persona-pill:disabled {
  opacity: 0.55;
  cursor: not-allowed;
}

.persona-pill__title {
  font-weight: 600;
  font-size: 0.9rem;
}

.persona-pill__check {
  color: var(--accent);
  font-weight: 800;
}

/* Pricing */
.pricing-grid {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  margin-bottom: 0.75rem;
}

.pricing-card {
  padding: 0.85rem 0.9rem;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
}

.pricing-card--current {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent-soft);
}

.pricing-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.pricing-card__head h4 {
  margin: 0;
  font-size: 0.95rem;
}

.pricing-card__price {
  margin: 0.35rem 0 0;
  font-size: 1.1rem;
  font-weight: 800;
}

.pricing-card__price span {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--muted);
}

.pricing-card__detail {
  margin: 0.15rem 0 0.4rem;
  font-size: 0.82rem;
  color: var(--muted);
}

.pricing-features {
  margin: 0;
  padding: 0 0 0 1rem;
  font-size: 0.8rem;
  color: var(--muted);
}

/* Reminders */
.reminders-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.reminder-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 1rem 1.05rem;
  box-shadow: var(--shadow);
  display: grid;
  gap: 0.75rem;
}

.reminder-card-top {
  display: flex;
  gap: 0.65rem;
  align-items: flex-start;
}

.reminder-dot {
  width: 8px;
  height: 8px;
  margin-top: 0.45rem;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  flex-shrink: 0;
  box-shadow: 0 0 8px var(--accent-soft);
}

.reminder-body {
  min-width: 0;
  flex: 1;
}

.reminder-card h3 {
  margin: 0 0 0.45rem;
  font-size: 0.98rem;
  font-weight: 700;
  word-break: break-word;
}

.reminder-meta {
  margin: 0.2rem 0 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.card-actions {
  display: flex;
  gap: 0.5rem;
  padding-top: 0.15rem;
  border-top: 1px solid var(--border);
}

.card-actions .btn {
  flex: 1;
}

.empty-state {
  text-align: center;
  padding: 1.75rem 1rem;
  color: var(--muted);
}

.empty-icon {
  font-size: 2rem;
  display: block;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

.empty-hint {
  margin-top: 0.35rem !important;
  font-size: 0.85rem !important;
  color: var(--muted) !important;
}

/* Tab bar */
.tab-bar {
  position: fixed;
  left: 50%;
  transform: translateX(-50%);
  bottom: calc(0.65rem + env(safe-area-inset-bottom, 0px));
  width: calc(100% - 1.5rem);
  max-width: 26.5rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.2rem;
  padding: 0.35rem;
  border-radius: 16px;
  border: 1px solid var(--border-strong);
  background: var(--surface);
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
  z-index: 20;
}

.tab-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.45rem 0.2rem;
  border-radius: 11px;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
}

.tab-btn.is-active {
  background: var(--accent-soft);
  color: var(--accent);
}

/* Dialogs */
.edit-dialog {
  border: none;
  border-radius: 18px;
  padding: 0;
  background: var(--bg-elevated);
  color: var(--text);
  max-width: calc(100vw - 2rem);
  width: 22rem;
  box-shadow: var(--shadow);
}

.edit-dialog::backdrop {
  background: var(--overlay);
  backdrop-filter: blur(4px);
}

.edit-form {
  padding: 1.15rem 1.2rem 1.25rem;
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.dialog-header h3 {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin-bottom: 0.75rem;
}

.field-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.field input {
  padding: 0.65rem 0.75rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  font: inherit;
  font-size: 0.95rem;
}

.field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

.field-hint {
  margin: -0.25rem 0 0.85rem;
  font-size: 0.78rem;
  color: var(--muted);
}

.dialog-actions {
  margin-top: 0.25rem;
}

.dialog-actions--row {
  display: flex;
  gap: 0.5rem;
}

.dialog-actions--row .btn {
  flex: 1;
}

.confirm-text {
  margin: 0 0 1rem;
  font-size: 0.9rem;
  color: var(--muted);
}

/* Toast */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(5.75rem + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%) translateY(1rem);
  max-width: calc(100% - 2rem);
  padding: 0.65rem 1rem;
  border-radius: 12px;
  background: var(--text);
  color: var(--bg);
  font-size: 0.85rem;
  font-weight: 600;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s, transform 0.2s;
  z-index: 30;
  text-align: center;
}

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

.toast--error {
  background: var(--danger);
  color: #fff;
}

@media (min-width: 480px) {
  #app {
    max-width: 32rem;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
  }

  .tab-bar {
    max-width: 30rem;
  }

  .reminder-card {
    grid-template-columns: 1fr auto;
    align-items: center;
  }

  .card-actions {
    border-top: none;
    padding-top: 0;
    flex-direction: column;
    min-width: 6.5rem;
  }

  .card-actions .btn {
    flex: none;
    width: 100%;
  }

  .stat-grid {
    gap: 0.65rem;
  }
}

@media (min-width: 640px) {
  #app {
    max-width: 36rem;
  }

  .persona-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}