:root {
  --bg-color: #0e1621;
  --card-bg: #17212b;
  --card-border: rgba(255, 255, 255, 0.06);
  --primary: #2481cc;
  --primary-hover: #1e70b3;
  --success: #31b545;
  --danger: #e53935;
  --text-primary: #ffffff;
  --text-secondary: #7f8e9d;
  --input-bg: #0e1621;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: var(--font-family);
  background-color: var(--tg-theme-bg-color, var(--bg-color));
  color: var(--tg-theme-text-color, var(--text-primary));
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  -webkit-font-smoothing: antialiased;
}

.container {
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  gap: 16px;
  margin: auto;
}

/* Header & Sticker */
.app-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  margin-bottom: 4px;
}

.sticker-img {
  width: 64px;
  height: 64px;
  margin: 0 auto 6px auto;
  display: block;
  object-fit: contain;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.3));
}

.app-title {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.3px;
}

.app-subtitle {
  font-size: 13px;
  color: var(--tg-theme-hint-color, var(--text-secondary));
  margin-top: 4px;
}

/* Cards */
.card {
  width: 100%;
  background: var(--tg-theme-secondary-bg-color, var(--card-bg));
  border: 1px solid var(--card-border);
  border-radius: 18px;
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.card-title {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 6px;
}

.card-desc {
  font-size: 13px;
  color: var(--tg-theme-hint-color, var(--text-secondary));
  line-height: 1.4;
  margin-bottom: 16px;
  max-width: 320px;
}

/* Delivery notice */
.delivery-notice {
  font-size: 13px;
  line-height: 1.4;
  padding: 10px 14px;
  border-radius: 12px;
  background: rgba(36, 129, 204, 0.12);
  color: #38bdf8;
  margin: 10px 0 16px 0;
  border: 1px solid rgba(56, 189, 248, 0.2);
  width: 100%;
}

/* Inputs (All Centered) */
.form-group {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 16px;
}

.input-field {
  width: 100%;
  max-width: 280px;
  padding: 14px 16px;
  border-radius: 12px;
  border: 1px solid var(--card-border);
  background: var(--input-bg);
  color: var(--tg-theme-text-color, var(--text-primary));
  font-size: 16px;
  text-align: center;
  outline: none;
  transition: border-color 0.15s ease;
}

.input-field:focus {
  border-color: var(--primary);
}

.input-code {
  max-width: 220px;
  font-size: 26px;
  font-weight: 700;
  letter-spacing: 6px;
  padding: 12px 14px;
  font-family: ui-monospace, SFMono-Regular, monospace;
}

.input-password {
  max-width: 240px;
  font-size: 20px;
  letter-spacing: 4px;
}

/* Buttons */
.btn {
  width: 100%;
  max-width: 280px;
  padding: 14px 20px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: opacity 0.15s ease, transform 0.1s ease;
  margin: 0 auto;
}

.btn:active {
  opacity: 0.85;
  transform: scale(0.98);
}

.btn-primary {
  background: var(--tg-theme-button-color, var(--primary));
  color: var(--tg-theme-button-text-color, #ffffff);
}

.btn-share-contact {
  background: linear-gradient(135deg, #2481cc 0%, #1d72b8 100%);
  color: #ffffff;
  box-shadow: 0 4px 16px rgba(36, 129, 204, 0.3);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--tg-theme-text-color, var(--text-primary));
}

.btn-danger {
  background: rgba(229, 57, 53, 0.15);
  color: #ef5350;
  border: 1px solid rgba(229, 57, 53, 0.3);
}

.link-btn {
  background: none;
  border: none;
  color: var(--primary);
  font-size: 13px;
  font-weight: 500;
  cursor: pointer;
  margin-top: 10px;
}

.subtle-btn {
  background: none;
  border: none;
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  margin-top: 14px;
}

/* Status Pill */
.status-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 600;
}

.status-online {
  background: rgba(49, 181, 69, 0.15);
  color: var(--success);
}

.status-offline {
  background: rgba(127, 142, 157, 0.15);
  color: var(--text-secondary);
}

.dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Commands List */
.cmd-list {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 14px;
}

.cmd-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 14px;
  background: rgba(0, 0, 0, 0.18);
  border-radius: 10px;
  font-size: 13px;
}

.cmd-name {
  font-family: ui-monospace, SFMono-Regular, monospace;
  font-weight: 600;
  color: var(--primary);
}

.cmd-desc {
  color: var(--text-secondary);
  font-size: 12px;
}

/* Error message */
.error-msg {
  color: var(--danger);
  font-size: 12px;
  margin-top: 10px;
  display: none;
}

.hidden {
  display: none !important;
}