/* ════════ design tokens ════════ */

:root {
  --bg: #f4f5fb;
  --surface: #ffffff;
  --surface-2: #f8f8fe;
  --border: #e5e7f0;
  --text: #1a1d2e;
  --text-2: #6b7185;
  --primary: #5b5bd6;
  --primary-hover: #4a4ac4;
  --primary-soft: #eeeefc;
  --success: #16a34a;
  --success-soft: #ecfdf3;
  --danger: #dc2626;
  --danger-soft: #fef2f2;
  --shadow: 0 1px 3px rgba(20, 22, 40, .07), 0 8px 24px rgba(20, 22, 40, .05);
  --shadow-lg: 0 4px 16px rgba(20, 22, 40, .10), 0 16px 48px rgba(20, 22, 40, .08);
  --radius: 14px;
}

[data-theme="dark"] {
  --bg: #0f1117;
  --surface: #181b25;
  --surface-2: #1e2230;
  --border: #2a2f40;
  --text: #eceef6;
  --text-2: #9aa1b5;
  --primary: #7c7cf0;
  --primary-hover: #9292f4;
  --primary-soft: #23264a;
  --success: #34d399;
  --success-soft: #11281d;
  --danger: #f87171;
  --danger-soft: #2c1518;
  --shadow: 0 1px 3px rgba(0, 0, 0, .4), 0 8px 24px rgba(0, 0, 0, .3);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, .5), 0 16px 48px rgba(0, 0, 0, .4);
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  transition: background .25s ease, color .25s ease;
  -webkit-font-smoothing: antialiased;
}

.hidden { display: none !important; }

/* ════════ auth screen ════════ */

.auth-screen {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background:
    radial-gradient(1200px 600px at 10% -10%, var(--primary-soft), transparent),
    radial-gradient(1000px 500px at 110% 110%, var(--primary-soft), transparent),
    var(--bg);
}

/* light mode: mountain & lake scenery */
[data-theme="light"] .auth-screen {
  background: url("/static/bg-nature.svg") center / cover no-repeat fixed;
}
[data-theme="light"] .auth-card,
[data-theme="light"] .auth-perks li {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
[data-theme="light"] .main-area {
  background:
    linear-gradient(rgba(244, 245, 251, 0.93), rgba(244, 245, 251, 0.93)),
    url("/static/bg-nature.svg") center / cover no-repeat fixed;
}

.auth-panel {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  max-width: 920px;
  width: 100%;
  align-items: center;
}

.auth-brand h1 { font-size: 40px; margin: 12px 0 8px; letter-spacing: -.5px; }
.auth-brand p { color: var(--text-2); font-size: 16px; line-height: 1.6; }
.auth-logo { font-size: 48px; }

.auth-perks { list-style: none; margin-top: 28px; }
.auth-perks li {
  padding: 10px 14px;
  margin-bottom: 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  font-size: 14px;
  box-shadow: var(--shadow);
}

.auth-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-lg);
  animation: rise .4s ease;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

.auth-tabs {
  display: flex;
  background: var(--surface-2);
  border-radius: 10px;
  padding: 4px;
  margin-bottom: 24px;
}

.auth-tab {
  flex: 1;
  padding: 9px;
  border: none;
  background: transparent;
  color: var(--text-2);
  font-size: 14px;
  font-weight: 600;
  border-radius: 8px;
  cursor: pointer;
  transition: all .2s;
}

.auth-tab.active { background: var(--surface); color: var(--text); box-shadow: var(--shadow); }

label { display: block; font-size: 13px; font-weight: 600; color: var(--text-2); margin: 14px 0 6px; }

input {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  outline: none;
  transition: border-color .2s, box-shadow .2s;
}

input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 20px;
  border: none;
  border-radius: 10px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all .2s;
}

.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-hover); transform: translateY(-1px); }
.btn-block { width: 100%; margin-top: 20px; }
.btn-ghost { background: var(--surface-2); color: var(--text); border: 1px solid var(--border); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }
.btn-danger-ghost { background: transparent; color: var(--danger); border: none; padding: 4px 8px; font-size: 13px; }
.btn-danger-ghost:hover { background: var(--danger-soft); border-radius: 6px; }

.divider {
  display: flex; align-items: center; gap: 12px;
  margin: 22px 0 16px; color: var(--text-2); font-size: 12px;
}
.divider::before, .divider::after { content: ""; flex: 1; height: 1px; background: var(--border); }

.oauth-buttons { display: flex; flex-direction: column; gap: 10px; }
.oauth-btn {
  display: flex; align-items: center; justify-content: center; gap: 10px;
  padding: 11px; border: 1.5px solid var(--border); border-radius: 10px;
  background: var(--surface); color: var(--text); font-size: 14px; font-weight: 600;
  cursor: pointer; transition: all .2s; text-decoration: none;
}
.oauth-btn:hover { border-color: var(--primary); }

.auth-error {
  margin-top: 16px; padding: 10px 14px; border-radius: 8px;
  background: var(--danger-soft); color: var(--danger); font-size: 13px;
}

/* ════════ app shell ════════ */

.app-shell { display: flex; min-height: 100vh; }

.sidebar {
  width: 248px;
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 50;
  transition: transform .25s ease;
}

.sidebar-brand {
  display: flex; align-items: center; gap: 10px;
  padding: 22px 22px 18px; font-size: 19px; font-weight: 700;
}
.sidebar-logo { font-size: 24px; }

.sidebar-nav { flex: 1; padding: 8px 12px; }

.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 11px 14px; margin-bottom: 4px;
  border-radius: 10px; color: var(--text-2);
  text-decoration: none; font-size: 14px; font-weight: 500;
  transition: all .15s;
}
.nav-item svg { width: 19px; height: 19px; fill: currentColor; flex-shrink: 0; }
.nav-item:hover { background: var(--surface-2); color: var(--text); }
.nav-item.active { background: var(--primary-soft); color: var(--primary); font-weight: 600; }

.badge {
  margin-left: auto; background: var(--primary); color: #fff;
  font-size: 11px; font-weight: 700; padding: 2px 8px; border-radius: 999px;
}

.sidebar-footer { padding: 14px; border-top: 1px solid var(--border); display: flex; flex-direction: column; gap: 6px; }

.theme-toggle, .logout-btn {
  display: flex; align-items: center; gap: 10px;
  width: 100%; padding: 10px 14px; border: none; border-radius: 10px;
  background: transparent; color: var(--text-2); font-size: 13.5px; font-weight: 500;
  cursor: pointer; transition: all .15s;
}
.theme-toggle:hover, .logout-btn:hover { background: var(--surface-2); color: var(--text); }
.logout-btn svg { width: 18px; height: 18px; fill: currentColor; }

.main-area { flex: 1; margin-left: 248px; display: flex; flex-direction: column; min-width: 0; }

.topbar {
  display: flex; align-items: center; gap: 16px;
  padding: 16px 32px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 40;
}
.topbar h2 { font-size: 18px; flex: 1; }
.hamburger { display: none; border: none; background: none; font-size: 22px; color: var(--text); cursor: pointer; }

.topbar-user { display: flex; align-items: center; gap: 10px; font-size: 14px; font-weight: 600; }

.avatar {
  width: 34px; height: 34px; border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), #9f6bf0);
  color: #fff; display: flex; align-items: center; justify-content: center;
  font-size: 14px; font-weight: 700;
}
.avatar-lg { width: 56px; height: 56px; font-size: 22px; }

.content { padding: 28px 32px; max-width: 1180px; width: 100%; }

.view { animation: rise .3s ease; }

/* ════════ dashboard ════════ */

.hero-strip {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  background: linear-gradient(120deg, var(--primary), #8b5cf6);
  color: #fff; border-radius: var(--radius);
  padding: 26px 30px; margin-bottom: 28px;
  box-shadow: var(--shadow-lg);
}
.hero-strip h3 { font-size: 21px; margin-bottom: 6px; }
.hero-strip p { font-size: 14px; opacity: .85; max-width: 480px; }

.hero-stats { display: flex; gap: 28px; }
.stat { text-align: center; }
.stat span { font-size: 28px; font-weight: 700; display: block; }
.stat label { font-size: 12px; opacity: .8; margin: 0; color: #fff; }

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform .2s, box-shadow .2s;
}

.feature-card { padding: 24px; display: flex; flex-direction: column; }
.feature-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-lg); }

.feature-head { display: flex; align-items: flex-start; gap: 14px; margin-bottom: 12px; }
.feature-icon {
  font-size: 26px; width: 52px; height: 52px; flex-shrink: 0;
  background: var(--primary-soft); border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
}
.feature-head h4 { font-size: 16px; margin-bottom: 2px; }
.feature-category { font-size: 11.5px; font-weight: 600; color: var(--primary); text-transform: uppercase; letter-spacing: .5px; }

.feature-desc { font-size: 13.5px; color: var(--text-2); line-height: 1.55; flex: 1; margin-bottom: 16px; }

.feature-status { margin-bottom: 14px; display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  display: inline-flex; align-items: center; gap: 6px;
  background: var(--success-soft); color: var(--success);
  font-size: 12px; font-weight: 600; padding: 4px 10px; border-radius: 999px;
}
.chip button { border: none; background: none; color: inherit; cursor: pointer; font-size: 13px; padding: 0; line-height: 1; opacity: .7; }
.chip button:hover { opacity: 1; }
.chip-empty { background: var(--surface-2); color: var(--text-2); font-weight: 500; }

.subscribe-row { display: flex; gap: 8px; flex-wrap: wrap; }
.subscribe-row input { flex: 1; min-width: 140px; padding: 9px 12px; font-size: 13.5px; }
.subscribe-row .param-input { flex: 0 1 110px; min-width: 90px; }
.subscribe-row .btn { padding: 9px 16px; font-size: 13.5px; flex-shrink: 0; }

/* ════════ subscriptions view ════════ */

.section-head { margin-bottom: 22px; }
.section-head h3 { font-size: 21px; margin-bottom: 4px; }
.section-head p { font-size: 14px; color: var(--text-2); }

.subscription-list { display: flex; flex-direction: column; gap: 14px; }

.sub-group { padding: 20px 24px; }
.sub-group-head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.sub-group-head .feature-icon { width: 42px; height: 42px; font-size: 20px; }
.sub-group-head h4 { font-size: 15px; }
.sub-group-head small { color: var(--text-2); font-size: 12.5px; }

.sub-email-row {
  display: flex; align-items: center; justify-content: space-between;
  padding: 9px 14px; border-radius: 8px; background: var(--surface-2);
  margin-bottom: 6px; font-size: 13.5px;
}

.btn-test {
  background: var(--primary-soft); color: var(--primary);
  border: none; border-radius: 6px; padding: 4px 10px;
  font-size: 12.5px; font-weight: 600; cursor: pointer; margin-right: 6px;
}
.btn-test:hover { background: var(--primary); color: #fff; }
.btn-test:disabled { opacity: .6; cursor: wait; }
.tested-label { color: var(--success); font-size: 12px; font-weight: 600; margin-right: 8px; }

.empty-state {
  text-align: center; padding: 60px 20px; color: var(--text-2);
}
.empty-state .big { font-size: 42px; margin-bottom: 12px; }

/* ════════ forms / settings ════════ */

.form-card { padding: 26px; max-width: 560px; margin-bottom: 18px; }
.form-card h4 { margin-bottom: 6px; font-size: 15px; }
.form-card .btn { margin-top: 18px; }

.profile-header { display: flex; align-items: center; gap: 16px; margin-bottom: 10px; }
.profile-header strong { display: block; font-size: 15px; }
.profile-header small { color: var(--text-2); font-size: 12.5px; }

.setting-row {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 0;
}
.setting-row small { display: block; color: var(--text-2); font-size: 12.5px; margin-top: 2px; }

/* ════════ verify banner / admin ════════ */

.verify-banner {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  flex-wrap: wrap;
  background: #fef9ec; border: 1px solid #f5d889; color: #92600a;
  border-radius: var(--radius);
  padding: 14px 20px; margin-bottom: 22px;
  font-size: 14px; font-weight: 500;
  animation: rise .3s ease;
}
[data-theme="dark"] .verify-banner { background: #2b2410; border-color: #5c4a14; color: #ecc35c; }
.verify-banner .btn { padding: 8px 14px; font-size: 13px; }

textarea {
  width: 100%;
  padding: 11px 14px;
  border: 1.5px solid var(--border);
  border-radius: 10px;
  background: var(--surface);
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  outline: none;
  resize: vertical;
  transition: border-color .2s, box-shadow .2s;
}
textarea:focus { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }

.feature-disabled { opacity: .6; }

.admin-prompt {
  background: var(--surface-2);
  border-radius: 8px;
  padding: 10px 14px;
  font-size: 12.5px;
  color: var(--text-2);
  line-height: 1.6;
}

/* ════════ branding ════════ */

.brand-by { font-size: 13px; color: var(--text-2); margin: -2px 0 10px; }
.brand-by a { color: var(--primary); font-weight: 700; text-decoration: none; }
.sidebar-company { display: block; font-size: 9.5px; font-weight: 600; letter-spacing: .4px; color: var(--text-2); margin-top: 1px; }
.sidebar-company a { color: inherit; text-decoration: none; }
.sidebar-company a:hover { color: var(--primary); }

/* ════════ idea generator ════════ */

.idea-result { margin-top: 18px; font-size: 14.5px; line-height: 1.8; }
.idea-result .idea-cta { margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); font-weight: 600; }
.idea-result .idea-cta a { color: var(--primary); text-decoration: none; }

/* ════════ AI chat ════════ */

.chat-wrap {
  display: flex;
  flex-direction: column;
  height: calc(100vh - 190px);
  min-height: 420px;
  max-width: 860px;
  padding: 0;
  overflow: hidden;
}

.chat-messages {
  flex: 1;
  overflow-y: auto;
  padding: 22px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.msg {
  max-width: 78%;
  padding: 11px 16px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
  animation: rise .2s ease;
  word-wrap: break-word;
}
.msg.user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 5px;
}
.msg.assistant {
  align-self: flex-start;
  background: var(--surface-2);
  color: var(--text);
  border: 1px solid var(--border);
  border-bottom-left-radius: 5px;
}

.typing { letter-spacing: 3px; opacity: .55; animation: pulse 1.2s infinite; }
@keyframes pulse { 0%,100% { opacity: .25; } 50% { opacity: .8; } }

.chat-input-row {
  display: flex;
  gap: 10px;
  padding: 14px 18px;
  border-top: 1px solid var(--border);
  background: var(--surface);
}
.chat-input-row input { flex: 1; }

.chat-note {
  font-size: 11.5px;
  color: var(--text-2);
  text-align: center;
  padding: 0 18px 12px;
  background: var(--surface);
}

/* ════════ admin overview & user management ════════ */

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(210px, 1fr));
  gap: 14px;
}

.stat-card {
  display: flex; align-items: center; gap: 14px;
  padding: 18px 20px;
}
.stat-card-icon { font-size: 26px; }
.stat-card-value { font-size: 20px; font-weight: 700; }
.stat-card-label { font-size: 12.5px; font-weight: 600; color: var(--text-2); }
.stat-card-sub { font-size: 11.5px; color: var(--text-2); margin-top: 2px; }

.btn-user-action {
  background: var(--surface-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 8px;
  padding: 6px 12px; font-size: 12.5px; font-weight: 600;
  cursor: pointer; margin-left: 6px; transition: all .15s;
}
.btn-user-action:hover { border-color: var(--primary); color: var(--primary); }
.btn-user-action.danger:hover { border-color: var(--danger); color: var(--danger); background: var(--danger-soft); }

.report-self { font-size: 12px; color: var(--text-2); font-style: italic; margin-left: 8px; }
.user-inactive { opacity: .55; }
.chip-inactive { background: var(--danger-soft); color: var(--danger); }

/* ════════ visitor analytics ════════ */

.viz-chart {
  display: flex; align-items: flex-end; gap: 6px;
  height: 150px; padding-top: 18px;
}
.viz-col {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; justify-content: flex-end; height: 100%;
  min-width: 0;
}
.viz-bar {
  width: 100%; max-width: 38px;
  background: linear-gradient(180deg, var(--primary), #8b5cf6);
  border-radius: 6px 6px 2px 2px;
  transition: height .4s ease;
}
.viz-count { font-size: 10.5px; font-weight: 700; color: var(--primary); margin-bottom: 3px; }
.viz-day { font-size: 9.5px; color: var(--text-2); margin-top: 6px; white-space: nowrap; }

.visitor-row {
  display: grid;
  grid-template-columns: 130px 90px 1fr 110px;
  gap: 10px; align-items: center;
  padding: 8px 12px; border-radius: 8px;
  font-size: 12.5px; background: var(--surface-2);
  margin-bottom: 5px;
}
.visitor-time { color: var(--text-2); }
.visitor-ip { font-family: ui-monospace, monospace; font-size: 11.5px; color: var(--text-2); overflow: hidden; text-overflow: ellipsis; }

@media (max-width: 700px) {
  .visitor-row { grid-template-columns: 1fr 1fr; }
  .visitor-ip { display: none; }
}

/* ════════ admin report ════════ */

.report-stats {
  display: flex; gap: 32px;
  padding-bottom: 16px; margin-bottom: 16px;
  border-bottom: 1px solid var(--border);
}
.report-stats .stat span { color: var(--primary); }
.report-stats .stat label { color: var(--text-2); }

.report-user { padding: 14px 0; border-bottom: 1px solid var(--border); }
.report-user:last-child { border-bottom: none; padding-bottom: 0; }
.report-user-head { display: flex; align-items: center; gap: 12px; margin-bottom: 8px; }
.report-user-head small { color: var(--text-2); font-size: 12px; }

.report-sub {
  font-size: 13px; color: var(--text-2);
  padding: 5px 0 5px 46px; line-height: 1.5;
}
.report-sub strong { color: var(--text); }

/* ════════ toast ════════ */

.toast {
  position: fixed; bottom: 32px; left: 50%; transform: translateX(-50%);
  display: flex; align-items: center; gap: 12px;
  background: var(--surface); color: var(--text);
  padding: 15px 26px; border-radius: 14px;
  border: 1px solid var(--border);
  border-left: 5px solid var(--success);
  font-size: 14.5px; font-weight: 600;
  min-width: 300px; max-width: min(560px, 92vw);
  box-shadow: 0 8px 32px rgba(20, 22, 40, .25); z-index: 200;
  animation: toastIn .3s cubic-bezier(.21, 1.02, .73, 1);
}
.toast .toast-icon { font-size: 20px; flex-shrink: 0; }
.toast.error { border-left-color: var(--danger); color: var(--danger); }
[data-theme="dark"] .toast { box-shadow: 0 8px 32px rgba(0, 0, 0, .6); }

@keyframes toastIn {
  from { opacity: 0; transform: translate(-50%, 24px) scale(.96); }
  to   { opacity: 1; transform: translate(-50%, 0) scale(1); }
}

/* ════════ responsive ════════ */

@media (max-width: 900px) {
  .auth-panel { grid-template-columns: 1fr; gap: 28px; max-width: 440px; }
  .auth-brand { text-align: center; }
  .auth-brand p br { display: none; }

  .sidebar { transform: translateX(-100%); }
  .sidebar.open { transform: translateX(0); box-shadow: var(--shadow-lg); }
  .main-area { margin-left: 0; }
  .hamburger { display: block; }

  .content { padding: 20px 16px; }
  .hero-strip { flex-direction: column; align-items: flex-start; }
  .topbar { padding: 14px 16px; }
  #topbar-name { display: none; }
}