:root {
  --bg: #f8fafc;
  --card: #ffffff;
  --brand: #047857;
  --brand-hover: #065f46;
  --brand-light: #ecfdf5;
  --brand-soft: #d1fae5;
  --gold: #f59e0b;
  --red: #dc2626;
  --dark: #0f172a;
  --ink: #0f172a;
  --muted: #475569;
  --line: #e2e8f0;
  --ok: #047857;
  --ok-bg: #d1fae5;
  --bad: #dc2626;
  --bad-bg: #fee2e2;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.04);
  --shadow-brand: 0 10px 25px rgba(4, 120, 87, 0.3);
  --radius: 14px;
  --font: "Inter", system-ui, sans-serif;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100%;
  background: var(--bg);
  color: var(--dark);
  font-family: var(--font);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
}

.container {
  max-width: 820px;
  margin: 0 auto;
  padding: 2.5rem 1.5rem;
}

.header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--line);
  margin-bottom: 2rem;
  gap: 1rem;
}

.logo {
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--brand);
  text-decoration: none;
  letter-spacing: -0.03em;
}

.btn-login {
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.4rem 0.9rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
}

.btn-login:hover {
  color: var(--brand);
  border-color: var(--brand);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  font: inherit;
  font-weight: 700;
  border: 0;
  border-radius: 12px;
  padding: 0.85rem 1.2rem;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s, transform 0.15s, border-color 0.15s, color 0.15s;
}

.btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  transform: none !important;
}

.btn-primary,
.btn-conversion {
  background: var(--brand);
  color: #fff;
  box-shadow: var(--shadow-brand);
}

.btn-primary:hover:not(:disabled),
.btn-conversion:hover:not(:disabled) {
  background: var(--brand-hover);
  transform: translateY(-1px);
}

.btn-ghost {
  background: #fff;
  color: var(--dark);
  border: 1px solid var(--line);
  box-shadow: none;
}

.btn-ghost:hover:not(:disabled) {
  border-color: var(--brand);
  color: var(--brand);
}

.btn-danger {
  background: var(--bad-bg);
  color: var(--bad);
}

.panel,
.box-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.hidden {
  display: none !important;
}

.muted {
  color: var(--muted);
}

.badge {
  display: inline-block;
  padding: 0.15rem 0.5rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 700;
}

.badge-ok {
  background: var(--ok-bg);
  color: var(--ok);
}

.badge-off {
  background: var(--bad-bg);
  color: var(--bad);
}

.badge-use {
  background: var(--brand-light);
  color: var(--brand);
}

input,
textarea,
select {
  font: inherit;
}

input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
input[type="number"],
input[type="search"],
textarea {
  width: 100%;
  padding: 0.75rem 0.9rem;
  border: 1.5px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--dark);
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(4, 120, 87, 0.12);
}