:root {
  --bg0: #05080a;
  --bg1: #0a1210;
  --ink: #eef8f4;
  --muted: #8aa8a0;
  --turquoise: #1fd6e0;
  --teal: #3ad4a8;
  --lime: #b7f035;
  --accent: var(--lime);
  --accent-2: var(--turquoise);
  --danger: #ff6b5c;
  --line: rgba(31, 214, 224, 0.18);
  --panel: rgba(8, 14, 16, 0.78);
  --grad: linear-gradient(115deg, var(--turquoise) 0%, var(--teal) 48%, var(--lime) 100%);
  --font-display: "Outfit", "Segoe UI", sans-serif;
  --font-body: "Plus Jakarta Sans", "Segoe UI", sans-serif;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  min-height: 100%;
}

body {
  color: var(--ink);
  font-family: var(--font-body);
  background:
    radial-gradient(1000px 620px at 8% -8%, rgba(31, 214, 224, 0.22) 0%, transparent 55%),
    radial-gradient(900px 560px at 100% 0%, rgba(183, 240, 53, 0.14) 0%, transparent 50%),
    linear-gradient(165deg, var(--bg0), var(--bg1) 55%, #071410);
}

.shell {
  width: min(420px, calc(100% - 2rem));
  margin: 0 auto;
  padding: 2.5rem 0 3rem;
}

.brand h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 10vw, 3.4rem);
  letter-spacing: -0.04em;
  font-weight: 700;
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.tagline {
  margin: 0.35rem 0 0.85rem;
  color: var(--muted);
}

.lang-switch {
  display: inline-flex;
  gap: 0.35rem;
  margin: 0 0 1.35rem;
}

.lang-btn {
  min-width: 2.6rem;
  padding: 0.4rem 0.65rem;
  border-radius: 999px;
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.04em;
}

.lang-btn.active {
  background: var(--grad);
  color: #04110c;
  border-color: transparent;
}

.lang-btn:hover {
  filter: none;
  border-color: color-mix(in srgb, var(--turquoise) 50%, transparent);
  color: var(--ink);
}

.lang-btn.active:hover {
  filter: brightness(1.05);
  color: #04110c;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: 1.25rem;
  backdrop-filter: blur(10px);
  box-shadow: 0 0 0 1px rgba(183, 240, 53, 0.04);
}

label {
  display: grid;
  gap: 0.4rem;
  margin-bottom: 1rem;
  color: var(--muted);
  font-size: 0.9rem;
}

input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.35);
  color: var(--ink);
  font: inherit;
  font-size: 1.25rem;
  letter-spacing: 0.12em;
  padding: 0.85rem 0.95rem;
}

input:focus {
  outline: 2px solid color-mix(in srgb, var(--turquoise) 75%, white);
  outline-offset: 1px;
  border-color: color-mix(in srgb, var(--turquoise) 50%, transparent);
}

button {
  font: inherit;
  border: 0;
  border-radius: 12px;
  background: var(--grad);
  color: #04110c;
  font-weight: 650;
  padding: 0.85rem 1rem;
  cursor: pointer;
}

button:hover {
  filter: brightness(1.06) saturate(1.05);
}

button:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

button.danger {
  background: color-mix(in srgb, var(--danger) 88%, black);
  color: #fff5f3;
}

button.muted,
button.linkish {
  background: transparent;
  color: var(--muted);
  border: 1px solid var(--line);
}

button.linkish {
  width: 100%;
  margin-top: 1.25rem;
}

button.linkish:hover {
  color: var(--turquoise);
  border-color: color-mix(in srgb, var(--turquoise) 45%, transparent);
  filter: none;
}

.error {
  color: #ffb4ab;
  margin: 0.75rem 0 0;
}

.me {
  margin: 0 0 0.35rem;
  color: var(--muted);
}

.me strong {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.status {
  margin: 0 0 0.5rem;
  min-height: 1.4em;
}

.hint {
  margin: 0 0 1.1rem;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.35;
}

.pad {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.55rem;
  margin-top: 0.85rem;
}

.pad button {
  min-height: 3.1rem;
  background: rgba(31, 214, 224, 0.06);
  color: var(--ink);
  border: 1px solid var(--line);
}

.pad button:hover {
  border-color: color-mix(in srgb, var(--turquoise) 55%, transparent);
  filter: none;
}

.pad button.call {
  background: var(--grad);
  color: #04110c;
  border-color: transparent;
}

.row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.65rem;
}

.incoming,
.in-call {
  margin-top: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.phonebook {
  margin-top: 1.35rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--line);
}

.phonebook h2 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: -0.02em;
}

.contact-form {
  display: grid;
  gap: 0.15rem;
}

.contact-form button[type="submit"] {
  margin-top: 0.25rem;
}

.contact-list {
  list-style: none;
  margin: 1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.contact-list li {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 0.4rem;
  align-items: center;
  padding: 0.55rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: rgba(31, 214, 224, 0.04);
}

.contact-list .meta {
  min-width: 0;
}

.contact-list .name {
  display: block;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.contact-list .number {
  display: block;
  color: var(--muted);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
}

.contact-list button {
  padding: 0.55rem 0.7rem;
  font-size: 0.85rem;
}

.contact-list .empty {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 0.35rem 0;
  border: 0;
  background: transparent;
  display: block;
}

#remote-audio {
  display: none;
}