/* ============================================================
   Mavix Web — components.css
   Кнопки, формы, карточки, бейджи, спиннеры.
   ============================================================ */

/* ----------------------------------------------------------
   Кнопки
   ---------------------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px 22px;
  border-radius: var(--r-md);
  font-size: var(--fs-base);
  font-weight: 500;
  line-height: 1;
  white-space: nowrap;
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    background-color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    color var(--t-fast) var(--ease),
    box-shadow var(--t-base) var(--ease),
    transform var(--t-fast) var(--ease);
  text-decoration: none;
  user-select: none;
}

.btn:disabled,
.btn[aria-disabled="true"] {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.btn-primary {
  background: var(--accent);
  color: #001017;
  font-weight: 600;
  box-shadow: 0 0 0 1px rgba(0, 217, 255, 0.5), 0 8px 24px -8px var(--accent-glow);
}

.btn-primary:hover {
  background: var(--accent-hover);
  box-shadow: 0 0 0 1px rgba(0, 217, 255, 0.7), 0 12px 32px -6px var(--accent-glow);
  transform: translateY(-1px);
  color: #001017;
}

.btn-primary:active {
  background: var(--accent-press);
  transform: translateY(0);
}

.btn-secondary {
  background: var(--card);
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-secondary:hover {
  background: var(--card-hover);
  border-color: var(--muted);
  color: var(--text);
}

.btn-ghost {
  background: transparent;
  color: var(--text-soft);
}

.btn-ghost:hover {
  background: var(--card);
  color: var(--text);
}

.btn-outline {
  background: transparent;
  color: var(--accent);
  border-color: rgba(0, 217, 255, 0.35);
}

.btn-outline:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent-hover);
}

.btn-sm {
  padding: 7px 14px;
  font-size: var(--fs-sm);
  border-radius: var(--r-sm);
}

.btn-lg {
  padding: 14px 28px;
  font-size: var(--fs-md);
  border-radius: var(--r-md);
}

.btn-block {
  width: 100%;
}

.btn-icon {
  display: inline-flex;
  width: 16px;
  height: 16px;
  flex-shrink: 0;
}

/* ----------------------------------------------------------
   Формы
   ---------------------------------------------------------- */

.form {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.form-label {
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text);
  letter-spacing: -0.005em;
}

.form-hint {
  font-size: var(--fs-xs);
  color: var(--muted);
}

.input,
.textarea {
  width: 100%;
  padding: 11px 14px;
  background: var(--bg-elev-1);
  border: 1px solid var(--border-strong);
  border-radius: var(--r-md);
  color: var(--text);
  font-size: var(--fs-base);
  line-height: 1.4;
  transition: border-color var(--t-fast) var(--ease), box-shadow var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
  font-family: inherit;
}

.input::placeholder,
.textarea::placeholder {
  color: var(--muted);
}

.input:hover,
.textarea:hover {
  border-color: var(--muted);
}

.input:focus,
.textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
  background: var(--bg);
}

.input[aria-invalid="true"] {
  border-color: var(--danger);
  box-shadow: 0 0 0 3px var(--danger-soft);
}

.input-wrap {
  position: relative;
}

.input-wrap .input {
  padding-left: 42px;
}

.input-icon {
  position: absolute;
  left: 14px;
  top: 50%;
  transform: translateY(-50%);
  width: 16px;
  height: 16px;
  color: var(--muted);
  pointer-events: none;
}

.form-error {
  font-size: var(--fs-sm);
  color: var(--danger);
  display: none;
}

.form-error[data-visible="true"] {
  display: block;
}

.form-feedback {
  padding: 10px 14px;
  border-radius: var(--r-md);
  font-size: var(--fs-xs);
  line-height: 1.5;
  display: none;
  border: 1px solid transparent;
}

.form-feedback[data-visible="true"] {
  display: block;
  margin-bottom: 16px;
}

.form-feedback.success {
  background: var(--success-soft);
  border-color: rgba(74, 222, 128, 0.3);
  color: var(--success);
}

.form-feedback.error {
  background: var(--danger-soft);
  border-color: rgba(248, 113, 113, 0.3);
  color: var(--danger);
}

.form-feedback.info {
  background: var(--accent-soft);
  border-color: rgba(0, 217, 255, 0.3);
  color: var(--accent);
}

/* ----------------------------------------------------------
   Карточки
   ---------------------------------------------------------- */

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: border-color var(--t-base) var(--ease), transform var(--t-base) var(--ease), box-shadow var(--t-base) var(--ease);
}

.card-interactive {
  cursor: pointer;
}

.card-interactive:hover {
  border-color: var(--border-strong);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.card-title {
  font-size: var(--fs-xl);
  margin-bottom: 8px;
}

.card-subtitle {
  font-size: var(--fs-sm);
  color: var(--muted);
}

.card-glow {
  position: relative;
  overflow: hidden;
  isolation: isolate;
}

.card-glow::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 0%), var(--accent-soft), transparent 60%);
  opacity: 0;
  transition: opacity var(--t-base) var(--ease);
  pointer-events: none;
  z-index: -1;
}

.card-glow:hover::before {
  opacity: 1;
}

/* ----------------------------------------------------------
   Бейджи и статусы
   ---------------------------------------------------------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  font-size: var(--fs-xs);
  font-weight: 500;
  border-radius: var(--r-full);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge-accent {
  background: var(--accent-soft);
  color: var(--accent);
  border: 1px solid rgba(0, 217, 255, 0.25);
}

.badge-success {
  background: var(--success-soft);
  color: var(--success);
  border: 1px solid rgba(74, 222, 128, 0.25);
}

.badge-warning {
  background: var(--warning-soft);
  color: var(--warning);
  border: 1px solid rgba(251, 191, 36, 0.25);
}

.badge-danger {
  background: var(--danger-soft);
  color: var(--danger);
  border: 1px solid rgba(248, 113, 113, 0.25);
}

.badge-muted {
  background: var(--card);
  color: var(--muted);
  border: 1px solid var(--border);
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--r-full);
  flex-shrink: 0;
}

.status-dot.online {
  background: var(--success);
  box-shadow: 0 0 0 3px rgba(74, 222, 128, 0.2);
  animation: pulse-soft 2.4s ease-in-out infinite;
}

.status-dot.offline {
  background: var(--muted);
}

.status-dot.error {
  background: var(--danger);
}

/* ----------------------------------------------------------
   Спиннер
   ---------------------------------------------------------- */

.spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: var(--r-full);
  animation: spin 0.7s linear infinite;
  display: inline-block;
}

/* ----------------------------------------------------------
   Разделители
   ---------------------------------------------------------- */

.divider {
  height: 1px;
  background: var(--border);
  margin: 24px 0;
  border: none;
}

.divider-text {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 24px 0;
  color: var(--muted);
  font-size: var(--fs-xs);
  text-transform: uppercase;
  letter-spacing: 0.12em;
}

.divider-text::before,
.divider-text::after {
  content: '';
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ----------------------------------------------------------
   Skeleton-плейсхолдеры (для шапки/сайдбара кабинета)
   ---------------------------------------------------------- */

.is-skeleton {
  background: linear-gradient(
    90deg,
    var(--border) 0%,
    rgba(0, 217, 255, 0.08) 50%,
    var(--border) 100%
  );
  background-size: 200% 100%;
  animation: skeleton-shimmer 1.6s ease-in-out infinite;
  color: transparent !important;
  border-radius: 4px;
  user-select: none;
  pointer-events: none;
  /* Гарантируем высоту даже у пустых элементов */
  min-height: 1em;
}

.is-skeleton::before {
  content: '\00a0';
}

/* Аватарка — круглая, без бордер-радиуса как у текстовых плейсхолдеров */
.sidebar-user-avatar.is-skeleton {
  border-radius: 50%;
}
.sidebar-user-avatar.is-skeleton::before {
  content: '';
}

@keyframes skeleton-shimmer {
  0%   { background-position: 100% 0; }
  100% { background-position: -100% 0; }
}

@media (prefers-reduced-motion: reduce) {
  .is-skeleton { animation: none; }
}

/* ----------------------------------------------------------
   Индикатор силы пароля
   ---------------------------------------------------------- */

.pw-strength {
  margin-top: 8px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.pw-strength-bar {
  position: relative;
  flex: 1;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}

.pw-strength-fill {
  height: 100%;
  width: 0;
  border-radius: 2px;
  transition: width 220ms ease, background-color 220ms ease;
}

.pw-strength[data-level="weak"]   .pw-strength-fill { background: var(--danger, #F87171); }
.pw-strength[data-level="medium"] .pw-strength-fill { background: var(--warning, #FBBF24); }
.pw-strength[data-level="strong"] .pw-strength-fill { background: var(--success, #4ADE80); }

.pw-strength-label {
  font-size: var(--fs-xs);
  color: var(--muted);
  min-width: 6em;
  text-align: right;
}

.pw-strength[data-level="weak"]   .pw-strength-label { color: var(--danger, #F87171); }
.pw-strength[data-level="medium"] .pw-strength-label { color: var(--warning, #FBBF24); }
.pw-strength[data-level="strong"] .pw-strength-label { color: var(--success, #4ADE80); }

/* ----------------------------------------------------------
   Топ-баннер «сервер не отвечает» (кабинет)
   ---------------------------------------------------------- */

.banner-top {
  position: relative;
  background: var(--warning-soft);
  border-bottom: 1px solid rgba(251, 191, 36, 0.35);
  color: var(--warning);
  padding: 10px 48px 10px 20px;
  font-size: var(--fs-sm);
  text-align: center;
  line-height: 1.4;
}

.banner-top a,
.banner-top strong {
  color: inherit;
}

.banner-top-close {
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  background: none;
  border: 0;
  color: inherit;
  cursor: pointer;
  border-radius: 6px;
  font-size: 18px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  opacity: 0.7;
  transition: opacity var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

.banner-top-close:hover {
  opacity: 1;
  background: rgba(251, 191, 36, 0.12);
}