:root {
  --bg: #f5f6f8;
  --panel: #ffffff;
  --text: #151a20;
  --muted: #68717d;
  --line: #dfe5e3;
  --green: #15803d;
  --green-dark: #166534;
  --danger: #c9343f;
  --sidebar: #111827;
  --yellow: #f1c232;
  --shadow: 0 12px 28px rgba(15, 23, 42, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    linear-gradient(135deg, rgba(21, 128, 61, 0.10), transparent 34%),
    var(--bg);
  color: var(--text);
  font-family: Arial, Helvetica, sans-serif;
}

button,
input,
select,
textarea {
  font: inherit;
}

button {
  cursor: pointer;
}

.login-screen {
  position: fixed;
  inset: 0;
  z-index: 20;
  display: grid;
  place-items: center;
  padding: 20px;
  background: var(--sidebar);
}

.login-screen.hidden {
  display: none;
}

.login-card {
  width: min(390px, 100%);
  display: grid;
  gap: 16px;
  background: #fff;
  border-radius: 8px;
  padding: 22px;
  box-shadow: var(--shadow);
}

.brand {
  display: grid;
  gap: 4px;
}

.brand strong {
  color: var(--green);
  font-size: 26px;
  font-weight: 900;
}

.brand span,
label,
.topbar p,
.eyebrow,
.history-item span,
.history-item p {
  color: var(--muted);
}

label {
  display: grid;
  gap: 7px;
  font-size: 13px;
  font-weight: 700;
}

input,
select,
textarea {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: #fff;
  font-size: 16px;
  min-height: 48px;
  padding: 11px 12px;
}

textarea {
  resize: vertical;
}

.app {
  width: min(1180px, 100%);
  margin: 0 auto;
  padding: 24px;
}

.topbar {
  align-items: flex-start;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
}

.eyebrow {
  display: block;
  font-size: 12px;
  font-weight: 900;
  margin-bottom: 5px;
  text-transform: uppercase;
}

h1,
h2,
p {
  margin: 0;
}

h1 {
  font-size: 30px;
}

h2 {
  font-size: 18px;
}

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 0.95fr) minmax(360px, 1.05fr);
  gap: 16px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: var(--shadow);
  padding: 18px;
}

.call-form {
  border-top: 5px solid var(--green);
  display: grid;
  gap: 14px;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.preview {
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: 8px;
  display: grid;
  gap: 6px;
  padding: 12px;
}

.preview span {
  color: var(--green);
  font-size: 12px;
  font-weight: 900;
  text-transform: uppercase;
}

.preview strong {
  color: #14532d;
  line-height: 1.4;
}

.actions {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
}

.call-button,
.primary-button,
.secondary-button,
.ghost-button {
  border: 0;
  border-radius: 8px;
  font-weight: 900;
  min-height: 48px;
  padding: 12px 14px;
}

.call-button,
.primary-button {
  background: var(--green);
  color: #fff;
}

.call-button {
  font-size: 18px;
  min-height: 62px;
}

.call-button:hover,
.primary-button:hover {
  background: var(--green-dark);
}

.secondary-button {
  background: #eaf3ec;
  color: #14532d;
  min-height: 62px;
}

.ghost-button {
  background: #e8edf2;
  color: var(--text);
}

.ghost-button.small {
  min-height: 36px;
  padding: 8px 10px;
}

button:disabled {
  cursor: wait;
  opacity: 0.65;
}

.status,
.login-error {
  min-height: 22px;
  font-weight: 900;
}

.status.success {
  color: var(--green);
}

.status.error,
.login-error {
  color: var(--danger);
}

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

.history {
  display: grid;
  gap: 10px;
}

.history-item {
  border: 1px solid var(--line);
  border-radius: 8px;
  display: grid;
  gap: 8px;
  padding: 12px;
}

.history-item > div {
  align-items: flex-start;
  display: flex;
  gap: 8px;
  justify-content: space-between;
}

.history-item strong {
  font-size: 13px;
}

.history-item span,
.history-item p {
  font-size: 13px;
  line-height: 1.4;
}

.pill {
  border-radius: 999px;
  justify-self: start;
  padding: 4px 9px;
  font-size: 12px;
  font-weight: 900;
}

.pill.success {
  background: #dcfce7;
  color: var(--green);
}

.pill.error {
  background: #fee2e2;
  color: var(--danger);
}

@media (max-width: 820px) {
  .layout,
  .form-grid {
    grid-template-columns: 1fr;
  }

  .topbar,
  .actions {
    align-items: stretch;
    flex-direction: column;
    grid-template-columns: 1fr;
  }

  .app {
    padding: 16px;
  }
}