/* ── Dark Mode Core Palette ──────────────────────────────────────────────────── */
:root {
  /* Backgrounds */
  --color-bg:               #000000;
  --color-surface:          #111111;
  --color-surface-alt:      #222222;
  --color-overlay:          rgba(0, 0, 0, 0.8);

  /* Text */
  --color-text-primary:     #ffffff;
  --color-text-secondary:   #d4d4d4;
  --color-text-tertiary:    #a5a5a5;
  --color-placeholder:      #888888;

  /* Borders & dividers */
  --color-border:           #2e2e2e;
  --color-divider:          #232323;

  /* State & accents */
  --color-accent:           #007aff;
  --color-warning:          #ff9102;
  --color-warning-hover:    #ff7402;
  --color-success:          #1eaa31;
  --color-info:             #d1e2f4;
  --color-danger:           #dc3545;

  /* Alerts */
  --color-alert-danger-text:    #842029;
  --color-alert-danger-bg:      #f8d7da;
  --color-alert-danger-border:  #f5c2c7;
}


/* ── Reset & Box-Sizing ───────────────────────────────────────────────────────── */
html {
  box-sizing: border-box;
  font-size: 100%;
}
*, *::before, *::after {
  box-sizing: inherit;
  margin: 0;
  padding: 0;
}
ul, ol { list-style: none; }
blockquote, q { quotes: none; }
blockquote::before, blockquote::after,
q::before, q::after { content: none; }
table {
  border-collapse: collapse;
  border-spacing: 0;
}
img, picture, video, canvas, svg {
  display: block;
  max-width: 100%;
  height: auto;
}
input, button, textarea, select {
  font: inherit;
  color: inherit;
  background: none;
  border: none;
  outline: none;
}
a {
  text-decoration: none;
  color: inherit;
}
button {
  cursor: pointer;
  background: none;
  border: none;
}
h1, h2, h3, h4, h5, h6 {
  font-size: inherit;
  font-weight: inherit;
}


/* ── Base Layout & Typography ─────────────────────────────────────────────────── */
body {
  line-height: 1.5;
  background: var(--color-bg);
  color: var(--color-text-primary);
  min-height: 100vh;
  font-family: Arial, sans-serif;
}
header,
main,
footer {
  max-width: 1200px;
  margin: 0 auto;
  background: var(--color-surface);
}
main {
  background-color: var(--color-bg);
}
picture, img, video {
  max-width: 100%;
  display: block;
}


/* ── Login Overlay & Form ─────────────────────────────────────────────────────── */
.login {
  position: fixed;
  inset: 0;
  background-color: var(--color-overlay);
  z-index: 20;
}
.loginContainer {
  display: grid;
  gap: 1.25rem;
  width: 80%;
  max-width: 500px;
  background-color: var(--color-bg);
  padding: 2.5rem 1rem 1rem;
  border-radius: 0.3125rem;
  position: absolute;
  inset: 0;
  margin: auto;
}
.loginInput {
  width: 100%;
  padding: 0.625rem;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  font-size: 1rem;
}
.loginInput::placeholder {
  color: var(--color-placeholder);
}
.inputError {
  border-color: var(--color-danger);
}
.inputSuccess {
  border-color: var(--color-success);
}
.loginMessage {
  font-size: 1.3125rem;
  text-align: center;
}
#loginForm {
  display: grid;
  padding: 0 1rem;
}
.loginInputLabel {
  font-weight: bold;
  margin-bottom: 0.3125rem;
}
.loginGroup,
.loginInputContainer {
  display: grid;
  gap: 0.75rem;
}
.loginSubmitContainer {
  justify-self: center;
  align-self: center;
  margin-top: 0.3125rem;
}
.form_error {
  height: 1.5rem;
  margin-top: 0.375rem;
}
.form_error span {
  color: var(--color-danger);
  font-size: 0.875rem;
  font-weight: 300;
}
.submitStandby {
  background-color: var(--color-warning);
  color: var(--color-text-primary);
}
.submitStandby:hover {
  background-color: var(--color-warning-hover);
}
.submitSuccess {
  background-color: var(--color-success);
  color: var(--color-text-primary);
}
.submitLoading {
  background-color: var(--color-info);
  font-size: 1.3125rem;
}
.submitStandby,
.submitLoading,
.submitSuccess {
  padding: 0.75rem 1.25rem;
  border-radius: 0.625rem;
  cursor: pointer;
  font-size: 1.125rem;
}


/* ── Header Bar ──────────────────────────────────────────────────────────────── */
.headerBar {
  position: fixed;
  top: 0;
  width: 100%;
  height: 3.5rem;
  background: var(--color-bg);
  z-index: 1000;
}
.headerContainer {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0.5rem 1rem;
}
.headerLogo img {
  height: 1.875rem;
}
.headerLogo {
  justify-self: center;
}
.headerLogout {
  justify-self: end;
  padding: 0.5rem 1rem;
  font-size: 0.875rem;
  font-weight: bold;
  color: var(--color-text-primary);
  border: 1px solid var(--color-bg);
  border-radius: 0.25rem;
  transition: background 0.2s, color 0.2s;
}
.headerLogout:hover {
  background: var(--color-bg);
  color: var(--color-accent);
}
@media (min-width: 768px) {
  .headerLogout {
    font-size: 1rem;
    padding: 0.5rem 1.5rem;
  }
}


/* ── Footer Navigation ───────────────────────────────────────────────────────── */
.footerNav {
  position: fixed;
  bottom: 0;
  width: 100%;
  z-index: 1000;
}
.footerNavGrid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  background: var(--color-surface-alt);
}
.footerNavItem {
  display: grid;
  grid-template-rows: auto auto;
  justify-items: center;
  align-content: center;
  padding: 0.375rem;
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  transition: color 0.2s, background-color 0.2s;
}
.footerNavItem:hover,
.footerNavItemActive {
  background-color: var(--color-surface);
  color: var(--color-text-primary);
}
.footerNavIcon {
  grid-row: 1;
  width: 1.5rem;
  height: 1.5rem;
  margin-bottom: 0.25rem;
  position: relative;
}
.footerNavIcon img {
  width: 100%;
  height: 100%;
}
.footerNavLabel {
  grid-row: 2;
  line-height: 1;
}


/* ── Conversations View ──────────────────────────────────────────────────────── */
.pageIntro {
  font-size: 2.5rem;
  font-weight: 600;
  padding: 0.75rem;
  color: var(--color-text-primary);
}
.conversationContainer {
  display: grid;
  grid-template-columns: 3.75rem 1fr;
  gap: 0.75rem;
  padding: 0.75rem;
  align-items: center;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  color: inherit;
}
.profileCircle {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--color-divider);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 1rem;
  color: var(--color-text-primary);
}
.conversationContent, .callContent {
  display: grid;
  grid-template-rows: auto auto;
  gap: 0.25rem;
}
.conversationHeader, .callHeader {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
}
.conversationName, .callName {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-primary);
}
.conversationTime, .callTime {
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}
.messagePreview, .callBody {
  font-size: 0.9rem;
  color: var(--color-text-tertiary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.unreadBadge {
  background-color: var(--color-danger);
  color: var(--color-text-primary);
  border-radius: 50%;
  min-width: 1.25rem;
  height: 1.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 600;
  margin-left: 0.375rem;
  padding: 0 0.375rem;
  line-height: 1;
}


/* ── Calls List & Tabs ───────────────────────────────────────────────────────── */
button.callContainer {
  width: 100%;
}
.callsContainer {
  max-height: calc(100vh - 8rem);
  overflow-y: auto;
}
.callContainer {
  display: grid;
  grid-template-columns: 3.75rem 1fr;
  gap: 0.75rem;
  padding: 0.75rem;
  align-items: center;
  background-color: var(--color-surface);
  border-bottom: 1px solid var(--color-divider);
  color: inherit;
  text-decoration: none;
  cursor: pointer;
  text-align: left;
}
.callContainer:hover {
  background-color: var(--color-surface-alt);
}
.callTabs {
  display: grid;
  grid-template-columns: 1fr 1fr;
  max-width: 300px;
  margin: 1rem auto;
  gap: 1rem;
  background-color: var(--color-surface);
}
.callTab {
  padding: 0.25rem 0.5rem;
  text-align: center;
  border: 1px solid var(--color-border);
  border-radius: 0.25rem;
  color: var(--color-text-secondary);
  background-color: var(--color-surface-alt);
  font-weight: 600;
  text-decoration: none;
}
.callTab.active {
  background-color: var(--color-accent);
  color: var(--color-text-primary);
  border-color: var(--color-accent);
}
/**
 * Layout wrapper for each call + info icon
 */
.callRow {
  display: grid;
  grid-template-columns: 3.75rem 1fr 2.75rem;
  align-items: center;
  border-bottom: 1px solid var(--color-divider);
  background-color: var(--color-surface);
}

/**
 * Reset form margin so grid stays consistent
 */
.callForm {
  margin: 0;
  grid-column: 1 / 3;
}

/**
 * Info-button: circle + blue border + SVG “i”
 */
.infoLink {
  display: grid;           /* instead of flex */
  place-items: center;     /* centers both axes */
  width: 2.25rem;
  height: 2.25rem;
  color: var(--color-accent);
  text-decoration: none;
}

.infoLink:hover,
.infoLink:focus {
  background-color: rgba(0, 122, 255, 0.1);
}
.infoLink svg {
  display: grid;
  place-self: center;
  width: 1.5rem;
  height: 1.5rem;
  fill: currentColor;
  stroke: none; /* strokes on circle are taken from <circle> */
}
a.infoLink {
  display: grid;
  place-self: center;
}


/* ── Contacts List ───────────────────────────────────────────────────────────── */
.create-row {
  display:grid;
  place-self: center;
  color: var(--color-accent);
  padding: 6px;
}

.contactsContainer {
  display: grid;
  grid-template-columns: 1fr;
  max-width: 1200px;
  margin: 0 auto;
  background-color: var(--color-surface);
}
.sectionGroup {
  margin-top: 1rem;
}
.sectionHeader {
  position: sticky;
  top: 0;
  padding: 0.5rem 1rem;
  background-color: var(--color-surface-alt);
  color: var(--color-text-secondary);
  font-weight: bold;
  font-size: 0.875rem;
  text-transform: uppercase;
  border-bottom: 1px solid var(--color-divider);
}
.contactRow {
  display: block;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-divider);
  color: var(--color-text-primary);
  font-size: 1rem;
  text-decoration: none;
}
.contactRow:hover {
  background-color: var(--color-surface-alt);
}


/* ── Voicemail ─────────────────────────────────── */
.voicemailList {
  display: grid;
  row-gap: 0;  /* borders handle separation */
}

.voicemailRow {
  display: grid;
  grid-template-columns: 1fr 2.75rem;
  align-items: center;
  padding: 0;  /* move padding into .voicemailContainer */
  border-bottom: 1px solid var(--color-divider);
  background-color: var(--color-surface);
}

.voicemailContainer {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: center;
  padding: 0.75rem 1rem;
  background-color: var(--color-surface);
  color: inherit;
  text-decoration: none;
  transition: background 0.2s;
}
.voicemailContainer:hover {
  background: var(--color-surface-alt);
}

.voicemailLeft,
.voicemailRight {
  display: grid;
  grid-template-rows: auto auto;
  gap: 0.25rem;
}

.voicemailContact {
  font-weight: 600;
  font-size: 1rem;
  color: var(--color-text-primary);
}
.voicemailLocation {
  font-size: 0.9rem;
  color: var(--color-text-secondary);
}

.voicemailDate,
.voicemailDuration {
  font-size: 0.85rem;
  color: var(--color-text-tertiary);
  text-align: right;
}

.voicemailBadge {
  width: 0.5rem;
  height: 0.5rem;
  background: var(--color-danger);
  border-radius: 50%;
  margin-left: 0.5rem;
  vertical-align: middle;
}

/* ── Keypad ─────────────────────────────────────────────────────────────────── */

/* container */
.keypad-container {
  max-width: 360px;
  margin: 2rem auto;
  text-align: center;
}

/* display */
.dial-display {
  min-height: 2.5rem;
  margin-bottom: 1.5rem;
  font-size: 1.75rem;
  letter-spacing: .1rem;
  color: var(--color-text-primary);
}

/* grid */
.keypad-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .75rem;
  justify-items: center;
}

/* each key circle */
.key {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  width: 72px;
  height: 72px;
  background: var(--color-surface-alt);
  border: 1px solid var(--color-divider);
  border-radius: 50%;
}
.key-number {
  font-size: 1.5rem;
  color: var(--color-text-primary);
}
.key-letters {
  font-size: .6rem;
  color: var(--color-text-tertiary);
  margin-top: .2rem;
}

.action-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  justify-content: center;          
  gap: .75rem;                         
  margin-top: 1.5rem;
  justify-items: center;
}

.call-btn, .back-btn {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
}
.call-btn {
  background: var(--color-success);
  color: #fff;
  grid-column: 2;
}
.back-btn {
  background: var(--color-surface-alt);
  color: var(--color-text-secondary);
  grid-column: 3;
}
.call-btn:disabled,
.back-btn:disabled {
  opacity: .4;
  cursor: default;
}



/* ── Alerts ───────────────────────────────────────────────────────────────────── */
.alert {
  padding: 0.75rem 1.25rem;
  margin-bottom: 1rem;
  border: 1px solid transparent;
  border-radius: 0.25rem;
  font-family: sans-serif;
}
.alert-danger {
  color: var(--color-alert-danger-text);
  background-color: var(--color-alert-danger-bg);
  border-color: var(--color-alert-danger-border);
}
.alertBadge {
  position: absolute;
  top: 0;
  right: 0;
  width: .75rem;
  height: .75rem;
  transform: translate(50%, -50%);
  background: var(--color-danger);
  border: 1px solid #ffffff;       /* white outline to contrast */
  border-radius: 50%;
  box-sizing: content-box;      /* border doesn’t shrink the red circle */
}

/* ── Notifications ─────────────────────────────────────────────────────────────── */

.push-banner {
  position: fixed;
  top: 0;
  left: 0; right: 0;
  background: #007AFF;
  color: white;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: .75rem 1rem;
  font-size: .9rem;
  z-index: 1000;
}
.push-banner button {
  background: rgba(255,255,255,.2);
  border: none;
  color: white;
  padding: .5rem .75rem;
  margin-left: .5rem;
  border-radius: 4px;
  cursor: pointer;
}
.push-banner button:hover {
  background: rgba(255,255,255,.3);
}