/* ================================================================
   ВИРТУАЛЬНАЯ КЛАВИАТУРА — в стиле сайта (Champagne, Quiet Luxury)
   Подавляет системную клавиатуру на мобильных (readonly + focus)
   ================================================================ */

:root {
  --vk-bg: linear-gradient(180deg, var(--bg, #0A0C0F) 0%, var(--bg-card, #1A1E24) 100%);
  --vk-key-bg: rgba(255,255,255,0.06);
  --vk-key-border: rgba(201,182,147,0.35);
  --vk-key-glow: rgba(201,182,147,0.15);
  --vk-key-active: rgba(201,182,147,0.2);
  --vk-special-bg: rgba(201,182,147,0.12);
  --vk-special-border: rgba(201,182,147,0.5);
  --vk-special-glow: rgba(201,182,147,0.25);
  --vk-text: var(--text, #F0F3F8);
  --vk-text-dim: var(--text-muted, #9AA4B3);
  --vk-height: 42vh;
  --vk-max-height: 320px;
  --vk-key-radius: 14px;
  --vk-key-font: 1rem;
}

/* Обёртка: фиксирована снизу, не дергает контент */
.virtual-keyboard {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 10000;
  height: var(--vk-height);
  max-height: var(--vk-max-height);
  background: var(--vk-bg);
  border-top: 1px solid var(--border-strong, rgba(255,255,255,0.09));
  box-shadow: 0 -8px 40px rgba(0,0,0,0.6), 0 0 0 1px rgba(201,182,147,0.08) inset;
  display: flex;
  flex-direction: column;
  padding: 10px 8px;
  padding-bottom: calc(10px + env(safe-area-inset-bottom));
  transform: translateY(100%);
  opacity: 0;
  visibility: hidden;
  transition: transform 0.3s cubic-bezier(0.4,0,0.2,1), opacity 0.25s ease, visibility 0.25s;
  -webkit-user-select: none;
  user-select: none;
  -webkit-tap-highlight-color: transparent;
}

.virtual-keyboard.visible {
  transform: translateY(0);
  opacity: 1;
  visibility: visible;
}

/* Шапка: название поля + кнопка закрыть */
.vk-header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 8px 8px 10px;
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.05));
  margin-bottom: 4px;
}
.vk-field-label {
  flex: 1;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent, #C9B693);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.vk-close {
  padding: 8px 14px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent, #C9B693);
  background: rgba(201,182,147,0.1);
  border: 1px solid rgba(201,182,147,0.35);
  border-radius: var(--vk-key-radius, 14px);
  cursor: pointer;
  -webkit-tap-highlight-color: transparent;
  transition: background 0.15s, border-color 0.15s;
}
.vk-close:active {
  background: rgba(201,182,147,0.2);
  border-color: rgba(201,182,147,0.5);
}

/* Паддинг для body — контент не дёргается при появлении клавиатуры */
body.virtual-keyboard-open {
  padding-bottom: var(--vk-height) !important;
}

/* Модалка: при клавиатуре — форма сверху, над клавиатурой, не перекрыта */
body.virtual-keyboard-open .modal {
  align-items: flex-start !important;
  padding-top: 12px;
  padding-bottom: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}
body.virtual-keyboard-open .modal-dialog {
  margin-top: 0;
  margin-bottom: 0;
}

/* Модалка авторизации: карусель — активное поле по центру, увеличено, соседи видны */
body.virtual-keyboard-open .auth-modal-box {
  max-height: calc(100vh - var(--vk-height) - 24px) !important;
  overflow-y: auto !important;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  scroll-snap-type: y proximity;
  scroll-padding: 24px 0 16px;
}
body.virtual-keyboard-open .reg-field-wrap,
body.virtual-keyboard-open .auth-form > .input-wrap {
  scroll-snap-align: center;
  scroll-margin: 24px 0;
  transition: transform 0.25s ease, opacity 0.25s ease, box-shadow 0.25s ease;
}
body.virtual-keyboard-open .reg-field-wrap:has(.vk-focused),
body.virtual-keyboard-open .auth-form > .input-wrap:has(.vk-focused) {
  transform: scale(1.04);
  opacity: 1;
}
body.virtual-keyboard-open .reg-field-wrap:not(:has(.vk-focused)),
body.virtual-keyboard-open .auth-form > .input-wrap:not(:has(.vk-focused)) {
  opacity: 0.78;
}

@media (max-height: 600px) {
  :root {
    --vk-height: 45vh;
    --vk-max-height: 280px;
  }
}

@media (max-width: 390px) {
  :root {
    --vk-key-radius: 12px;
    --vk-key-font: 0.9rem;
  }
  .virtual-keyboard { padding: 8px 6px; }
}

/* Ряды клавиш */
.vk-rows {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 0;
  width: 100%;
  max-width: 100%;
}

.vk-row {
  display: flex;
  gap: 6px;
  justify-content: flex-start;
  align-items: stretch;
  flex: 1;
  min-height: 0;
  width: 100%;
}

/* Клавиша — glassmorphism, неоновая обводка */
.vk-key {
  flex: 1;
  min-width: 0;
  min-height: 44px;
  max-height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--vk-key-bg);
  border: 1px solid var(--vk-key-border);
  border-radius: var(--vk-key-radius);
  color: var(--vk-text);
  font-size: var(--vk-key-font);
  font-weight: 700;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.1s ease;
  box-shadow: 0 2px 8px rgba(0,0,0,0.3), 0 0 12px var(--vk-key-glow);
  -webkit-tap-highlight-color: transparent;
}

.vk-key:active {
  background: var(--vk-key-active);
  transform: scale(0.92);
  box-shadow: 0 0 24px var(--vk-key-glow), 0 0 0 2px rgba(201,182,147,0.5) inset;
  filter: brightness(1.15);
}

/* Специальные клавиши — акцент сайта (champagne) */
.vk-key--special {
  background: var(--vk-special-bg);
  border-color: var(--vk-special-border);
  box-shadow: 0 2px 12px var(--vk-special-glow);
  flex: 1.2;
}

.vk-key--special:active {
  box-shadow: 0 0 28px var(--vk-special-glow), 0 0 0 2px rgba(201,182,147,0.4) inset;
  transform: scale(0.92);
}

.vk-key--space {
  flex: 2.5;
  min-width: 60px;
  max-width: 140px;
}

.vk-key--backspace {
  flex: 1.2;
}

.vk-key--lang {
  flex: 1;
  min-width: 44px;
  font-size: 0.85rem;
}

.vk-key--done {
  flex: 1.2;
  min-width: 72px;
  background: linear-gradient(135deg, var(--btn-primary, #C9B693) 0%, var(--btn-primary-hover, #D8C9A8) 100%);
  border-color: rgba(201,182,147,0.5);
  color: var(--btn-primary-text, #0E1114);
  box-shadow: 0 2px 12px var(--accent-glow, rgba(201,182,147,0.15));
}

.vk-key--done:active {
  box-shadow: 0 0 20px rgba(201,182,147,0.4);
}

/* Индикатор Shift */
.vk-key--shift.active {
  background: rgba(201,182,147,0.25);
  border-color: rgba(201,182,147,0.7);
  box-shadow: 0 0 16px var(--vk-special-glow);
}

/* Ripple-эффект при нажатии */
.vk-key {
  position: relative;
  overflow: hidden;
}

.vk-key::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at var(--vk-x, 50%) var(--vk-y, 50%), rgba(255,255,255,0.2) 0%, transparent 70%);
  opacity: 0;
  pointer-events: none;
}

.vk-key:active::after {
  opacity: 1;
  animation: vk-ripple 0.4s ease-out;
}

@keyframes vk-ripple {
  to { transform: scale(2); opacity: 0; }
}

/* Скрытые ряды (переключение режимов) — только при несовпадении режима */
.virtual-keyboard[data-mode="text"] .vk-row:not([data-mode="text"]),
.virtual-keyboard[data-mode="num"] .vk-row:not([data-mode="num"]),
.virtual-keyboard[data-mode="phone"] .vk-row:not([data-mode="phone"]),
.virtual-keyboard[data-mode="promo"] .vk-row:not([data-mode="promo"]) {
  display: none;
}

/* Показываем ряды текущего режима */
.virtual-keyboard[data-mode="text"] .vk-row[data-mode="text"],
.virtual-keyboard[data-mode="num"] .vk-row[data-mode="num"],
.virtual-keyboard[data-mode="phone"] .vk-row[data-mode="phone"],
.virtual-keyboard[data-mode="promo"] .vk-row[data-mode="promo"] {
  display: flex;
}

/* Поле с фокусом клавиатуры — подсветка в стиле сайта */
.auth-input.vk-focused {
  border-color: rgba(201,182,147,0.5);
  box-shadow: 0 0 0 3px var(--accent-dim, rgba(201,182,147,0.08));
}

/* Кастомный курсор (мигающая полоска) — readonly не показывает нативный caret */
.input-wrap .vk-cursor {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  left: 42px;
  width: 2px;
  height: 1.15em;
  background: var(--accent, #C9B693);
  border-radius: 1px;
  pointer-events: none;
  animation: vk-cursor-blink 1s step-end infinite;
  z-index: 2;
}
@keyframes vk-cursor-blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Только на мобильных — показываем клавиатуру */
@media (min-width: 1024px) {
  .virtual-keyboard {
    display: none !important;
  }
}