:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --card-soft: #f1f5f9;
  --text: #0f172a;
  --muted: #64748b;
  --border: rgba(15, 23, 42, 0.09);
  --blue: #0f5ea8;
  --cyan: #14b8c6;
  --green: #31c95b;
  --danger: #ef4444;
  --warning: #f97316;
  --shadow: 0 24px 60px rgba(15, 23, 42, 0.12);
  --radius-xl: 28px;
  --radius-lg: 22px;
  --radius-md: 16px;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(20, 184, 198, 0.18), transparent 32%),
    radial-gradient(circle at bottom right, rgba(49, 201, 91, 0.14), transparent 34%),
    var(--bg);
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

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

.screen {
  display: none;
  min-height: 100vh;
}

.screen.is-active {
  display: block;
}

/* Loading */

.screen-loading {
  display: none;
  place-items: center;
  padding: 28px;
}

.screen-loading.is-active {
  display: grid;
}

.brand-stack {
  text-align: center;
}

.brand-logo {
  max-width: 260px;
  width: 80%;
  height: auto;
}

.brand-fallback {
  display: none;
  margin: 0;
  font-size: 42px;
  letter-spacing: -0.05em;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.brand-stack p {
  color: var(--muted);
}

/* Login */

.screen-login {
  padding: max(24px, env(safe-area-inset-top)) 18px max(24px, env(safe-area-inset-bottom));
}

.screen-login.is-active {
  display: grid;
  place-items: center;
}

.login-card {
  width: 100%;
  max-width: 440px;
  padding: 28px 22px;
  border-radius: var(--radius-xl);
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.login-brand {
  text-align: center;
  margin-bottom: 26px;
}

.login-logo {
  width: min(260px, 86%);
  max-height: 140px;
  object-fit: contain;
  margin: 0 auto 10px;
  display: block;
}

.login-brand h1 {
  margin: 0;
  font-size: 42px;
  line-height: 1;
  letter-spacing: -0.05em;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.login-brand p {
  margin: 10px 0 0;
  color: var(--muted);
}

.login-form {
  display: grid;
  gap: 16px;
}

.login-form label {
  display: grid;
  gap: 8px;
  color: #334155;
  font-weight: 700;
  font-size: 14px;
}

.login-form input[type="email"],
.login-form input[type="password"] {
  width: 100%;
  padding: 15px 16px;
  border-radius: 16px;
  border: 1px solid var(--border);
  color: var(--text);
  background: #fff;
  outline: none;
}

.login-form input:focus {
  border-color: rgba(20, 184, 198, 0.7);
  box-shadow: 0 0 0 4px rgba(20, 184, 198, 0.12);
}

.remember-row {
  display: flex !important;
  grid-template-columns: unset !important;
  align-items: center;
  gap: 10px !important;
  font-weight: 500 !important;
  color: var(--muted) !important;
}

.remember-row input {
  width: 18px;
  height: 18px;
}

.login-form button,
.small-button {
  border: 0;
  color: #fff;
  background: linear-gradient(90deg, var(--blue), var(--cyan), var(--green));
  border-radius: 16px;
  padding: 15px 18px;
  font-weight: 800;
  box-shadow: 0 14px 28px rgba(15, 94, 168, 0.22);
}

.form-message {
  margin: 0;
  min-height: 20px;
  color: var(--muted);
  text-align: center;
  font-size: 14px;
}

.private-beta-note {
  margin-top: 20px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(15, 23, 42, 0.04);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}

/* Dashboard */

.screen-dashboard {
  background: var(--bg);
}

.screen-dashboard.is-active {
  display: grid;
  grid-template-rows: auto 1fr;
}

.mobile-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: max(16px, env(safe-area-inset-top)) 18px 14px;
  background: rgba(248, 250, 252, 0.88);
  border-bottom: 1px solid var(--border);
  backdrop-filter: blur(14px);
}

.mobile-header h1 {
  margin: 0;
  font-size: 30px;
  letter-spacing: -0.04em;
}

.eyebrow {
  margin: 0 0 4px;
  color: var(--cyan);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 11px;
  font-weight: 800;
}

.icon-button {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: var(--card);
  color: var(--text);
  font-size: 22px;
}

.sidebar {
  position: fixed;
  inset: 0 auto 0 0;
  z-index: 20;
  width: min(290px, 84vw);
  padding: max(18px, env(safe-area-inset-top)) 16px max(18px, env(safe-area-inset-bottom));
  background: rgba(255, 255, 255, 0.96);
  border-right: 1px solid var(--border);
  box-shadow: var(--shadow);
  transform: translateX(-110%);
  transition: transform 0.2s ease;
}

.sidebar.is-open {
  transform: translateX(0);
}

.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
}

.sidebar-brand img {
  width: 44px;
  height: 44px;
  object-fit: contain;
}

.sidebar-brand strong {
  font-size: 20px;
}

.nav-list {
  display: grid;
  gap: 8px;
}

.nav-item,
.logout-button {
  width: 100%;
  border: 0;
  border-radius: 14px;
  padding: 13px 14px;
  text-align: left;
  color: #334155;
  background: transparent;
  font-weight: 700;
}

.nav-item.is-active {
  color: #fff;
  background: linear-gradient(90deg, var(--blue), var(--cyan));
}

.logout-button {
  margin-top: 24px;
  color: var(--danger);
  background: rgba(239, 68, 68, 0.08);
}

.dashboard-main {
  padding: 18px;
  display: grid;
  gap: 18px;
}

.summary-grid {
  display: grid;
  gap: 12px;
}

.summary-card {
  padding: 18px;
  border-radius: var(--radius-lg);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.summary-card span {
  color: var(--muted);
  font-weight: 700;
  font-size: 13px;
}

.summary-card strong {
  display: block;
  margin: 8px 0 4px;
  font-size: 38px;
  line-height: 1;
}

.summary-card small {
  color: var(--muted);
}

.summary-card.critical strong {
  color: var(--danger);
}

.panel,
.detail-panel {
  padding: 20px;
  border-radius: var(--radius-lg);
  background: var(--card);
  border: 1px solid var(--border);
  box-shadow: 0 12px 30px rgba(15, 23, 42, 0.06);
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 18px;
}

.panel h2,
.detail-panel h2 {
  margin: 0;
  font-size: 22px;
  letter-spacing: -0.03em;
}

.small-button {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 14px;
}

.empty-state {
  padding: 30px 18px;
  text-align: center;
  border-radius: var(--radius-lg);
  background: var(--card-soft);
  border: 1px dashed var(--border);
}

.empty-icon {
  display: inline-grid;
  place-items: center;
  width: 54px;
  height: 54px;
  border-radius: 18px;
  color: #fff;
  background: linear-gradient(135deg, var(--blue), var(--cyan), var(--green));
  font-size: 28px;
  font-weight: 900;
}

.empty-state h3 {
  margin: 14px 0 6px;
}

.empty-state p {
  margin: 0;
  color: var(--muted);
  line-height: 1.45;
}

.signal-list {
  display: grid;
  gap: 10px;
}

.signal-item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 14px;
  border-radius: 16px;
  background: var(--card-soft);
  color: var(--muted);
}

.signal-item strong {
  color: var(--text);
}

.detail-panel {
  display: none;
}

.detail-panel ol {
  padding-left: 22px;
  color: var(--muted);
  line-height: 1.7;
}

/* Tablet */

@media (min-width: 768px) {
  .summary-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .dashboard-main {
    padding: 24px;
  }
}

/* Desktop */

@media (min-width: 1200px) {
  .screen-dashboard.is-active {
    grid-template-columns: 270px 1fr 340px;
    grid-template-rows: 1fr;
  }

  .mobile-header {
    display: none;
  }

  .sidebar {
    position: sticky;
    top: 0;
    transform: none;
    height: 100vh;
    width: 270px;
    box-shadow: none;
  }

  .dashboard-main {
    padding: 28px;
    align-content: start;
  }

  .detail-panel {
    display: block;
    height: 100vh;
    border-radius: 0;
    border-top: 0;
    border-bottom: 0;
    border-right: 0;
    box-shadow: none;
    padding: max(28px, env(safe-area-inset-top)) 24px;
  }
}


/* ReliaPulse DB auth/register additions */

.secondary-button {
  border: 1px solid var(--border);
  color: var(--text);
  background: rgba(255, 255, 255, 0.88);
  border-radius: 16px;
  padding: 15px 18px;
  font-weight: 800;
  box-shadow: none;
}

.secondary-button:hover {
  background: rgba(15, 23, 42, 0.04);
}

.is-hidden {
  display: none !important;
}