:root {
  --border: #d0d0d0;
  --accent: #2563eb;
  --bg: #f9f9fb;
}

body {
  font-family: system-ui, sans-serif;
  background: var(--bg);
  color: #222;
  max-width: 960px;
  margin: 1.5rem auto;
  padding: 0 1rem;
}

h1 {
  text-align: center;
  margin-bottom: 1.2rem;
}

section {
  background: white;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 1rem;
  margin-top: 1rem;
  box-shadow: 0 2px 4px rgba(0,0,0,.03);
}

h2 {
  font-size: 1rem;
  margin-bottom: 0.5rem;
  color: #333;
  margin-top: 0;
}

.row {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin-bottom: .4rem;
}
.row label {
  flex: 0 0 180px;
  text-align: right;
  font-weight: 500;
}
.row input {
  flex: 1;
  padding: .4rem .5rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

button {
  background: var(--accent);
  color: white;
  border: none;
  border-radius: 6px;
  padding: .5rem 1rem;
  cursor: pointer;
}
button:hover {
  background: #1e40af;
}

.small-btn {
  margin-top: .5rem;
  background: #555;
}
.small-btn:hover {
  background: #333;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: .5rem;
}
th, td {
  border: 1px solid var(--border);
  padding: .3rem;
  text-align: left;
}
th {
  background: #f0f0f0;
  font-weight: 500;
}

.submit {
  text-align: center;
  margin-top: 1.5rem;
}

/* таблица услуг */
#internet_services table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 0.5rem;
  font-size: 0.9rem;
  table-layout: fixed;        /* 👈 фиксируем сетку, чтобы не прыгала ширина */
}
#internet_services th, #internet_services td {
  border: 1px solid var(--border);
  padding: 0.4rem;
  text-align: center;
  vertical-align: top;
  word-break: break-word;     /* 👈 перенос слов внутри ячеек */
}
#internet_services th {
  background: #f4f4f6;
  font-weight: 600;
  color: #333;
}
#internet_services select,
#internet_services input,
#internet_services textarea {
  width: 100%;
  box-sizing: border-box;
  font-size: 0.9rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 0.3rem 0.4rem;
}
#internet_services textarea.address {
  resize: vertical;           /* 👈 можно тянуть вниз при необходимости */
  min-height: 2.2rem;
  max-height: 6rem;
  overflow-y: auto;
  white-space: pre-wrap;      /* 👈 перенос строк внутри текста */
}

#additional_services table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.9rem;
}
#additional_services th, #additional_services td {
  border: 1px solid var(--border);
  padding: 0.4rem;
  text-align: center;
  vertical-align: top;
  word-break: break-word;
}
#additional_services select,
#additional_services textarea {
  width: 100%;
  box-sizing: border-box;
  font-size: 0.9rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 0.3rem 0.4rem;
}
#additional_services textarea.comment {
  resize: vertical;
  min-height: 2.2rem;
  max-height: 6rem;
  overflow-y: auto;
  white-space: pre-wrap;
}

#device_services table {
  width: 100%;
  border-collapse: collapse;
  table-layout: fixed;
  font-size: 0.9rem;
}
#device_services th, #device_services td {
  border: 1px solid var(--border);
  padding: 0.4rem;
  text-align: center;
  vertical-align: top;
  word-break: break-word;
}
#device_services select,
#device_services input,
#device_services textarea {
  width: 100%;
  box-sizing: border-box;
  font-size: 0.9rem;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 0.3rem 0.4rem;
}
#device_services textarea.address {
  resize: vertical;
  min-height: 2.2rem;
  max-height: 6rem;
  overflow-y: auto;
  white-space: pre-wrap;
}

/* --- Popup (сине-серый стиль) --- */
.popup-overlay {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  background: rgba(0, 10, 30, 0.45); /* мягкий полупрозрачный синий фон */
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
  animation: fadeIn 0.3s ease-out;
}

.popup {
  position: relative;
  background: linear-gradient(160deg, #f8f9fb, #e9ecf3);
  border: 1px solid #c8d0e0;
  border-radius: 10px;
  box-shadow: 0 6px 20px rgba(0,0,0,0.25);
  width: 360px;
  text-align: center;
  padding: 1.8rem 1rem 1.2rem;
  animation: slideUp 0.25s ease-out;
  transform: translateY(-40px);
}

.popup-header {
  font-size: 1.1rem;
  font-weight: 600;
  color: #1e3a8a; /* глубокий синий */
  margin-bottom: 0.6rem;
}

.popup-body {
  font-size: 0.95rem;
  color: #2c3e50;
  line-height: 1.4;
}

.popup-close {
  position: absolute;
  top: 8px;
  right: 10px;
  border: none;
  background: transparent;
  font-size: 1.1rem;
  cursor: pointer;
  color: #4b5563;
  transition: color 0.2s;
}
.popup-close:hover {
  color: #1e3a8a;
}

.hidden {
  display: none;
}

@keyframes slideUp {
  from { transform: translateY(20px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.popup-body.loading::after {
  content: "";
  display: inline-block;
  animation: dots 1.2s infinite steps(4);
  vertical-align: bottom;
}

@keyframes dots {
  0%, 20% { content: ""; }
  40% { content: "."; }
  60% { content: ".."; }
  80%, 100% { content: "..."; }
}