/* Дизайн-система планера */
:root {
  --color-bg: #f7f8fa;
  --color-sidebar: #ffffff;
  --color-card: #ffffff;
  --color-primary: #4776e6;
  --color-primary-hover: #365dcc;
  --color-text: #1f2937;
  --color-muted: #6b7280;
  --color-border: #e5e7eb;
  --color-danger: #ef4444;
  --color-success: #22c55e;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --shadow-sm: 0 1px 3px rgba(31, 41, 55, 0.06);
  --shadow-md: 0 8px 24px rgba(31, 41, 55, 0.08);
  --font-sans: "Segoe UI", system-ui, -apple-system, sans-serif;
  --container: 1080px;
  --transition: 0.2s ease;
  --tag-blue: #4776e6;
  --tag-teal: #2a9d8f;
  --tag-green: #4a9b6e;
  --tag-amber: #c4922a;
  --tag-orange: #d9773b;
  --tag-rose: #c45c7a;
  --tag-violet: #7c6bc4;
  --tag-slate: #6b7280;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text);
  background: var(--color-bg);
}

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--color-primary-hover);
}

.container {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

/* Кнопки */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.9rem;
  border: 2px solid transparent;
  cursor: pointer;
  transition: background var(--transition), color var(--transition), border-color var(--transition), opacity var(--transition);
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.btn--primary {
  background: var(--color-primary);
  color: #fff;
}

.btn--primary:hover:not(:disabled) {
  background: var(--color-primary-hover);
  color: #fff;
}

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

.btn--secondary:hover:not(:disabled) {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn--ghost {
  background: transparent;
  color: var(--color-muted);
  border-color: transparent;
}

.btn--ghost:hover:not(:disabled) {
  background: var(--color-bg);
  color: var(--color-text);
}

.btn--danger {
  background: var(--color-danger);
  color: #fff;
}

.btn--danger:hover:not(:disabled) {
  background: color-mix(in srgb, var(--color-danger) 88%, #000);
}

.btn--sm {
  padding: 0.45rem 0.85rem;
  font-size: 0.82rem;
}

.btn--block {
  width: 100%;
}

/* Поля ввода */
.input {
  width: 100%;
  padding: 0.6rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  font: inherit;
  color: var(--color-text);
  background: var(--color-card);
  transition: border-color var(--transition), box-shadow var(--transition);
}

.input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(71, 118, 230, 0.15);
}

.password-field {
  position: relative;
  display: flex;
  align-items: center;
}

.password-field__input {
  padding-right: 2.75rem;
}

.password-field__toggle {
  position: absolute;
  right: 0.25rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.25rem;
  height: 2.25rem;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-muted);
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
}

.password-field__toggle:hover {
  color: var(--color-text);
  background: var(--color-hover, rgba(0, 0, 0, 0.04));
}

.password-field__toggle:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 1px;
}

.password-field__icon {
  display: inline-flex;
}

.password-field__toggle[aria-pressed="true"] .password-field__icon--show,
.password-field__toggle[aria-pressed="false"] .password-field__icon--hide {
  display: none;
}

.password-field__toggle[aria-pressed="true"] .password-field__icon--hide,
.password-field__toggle[aria-pressed="false"] .password-field__icon--show {
  display: inline-flex;
}

.input--textarea {
  resize: vertical;
  min-height: 88px;
}

/* Формы */
.form__field {
  display: block;
  margin-bottom: 1rem;
}

.form__field[hidden] {
  display: none;
}

.form__label {
  display: block;
  margin-bottom: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
}

.form__label-row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.35rem;
}

.form__label-row .form__label {
  margin-bottom: 0;
}

.field-counter {
  flex-shrink: 0;
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-muted);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.field-counter.is-limit {
  color: var(--color-danger);
}

.form__error {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  color: var(--color-danger);
  background: color-mix(in srgb, var(--color-danger) 8%, transparent);
  border-radius: var(--radius-sm);
}

.form__notice {
  margin: 0 0 1rem;
  padding: 0.65rem 0.85rem;
  font-size: 0.9rem;
  color: var(--color-text);
  background: color-mix(in srgb, var(--color-success) 12%, var(--color-card));
  border-radius: var(--radius-sm);
}

/* Бренд */
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text);
  font-weight: 700;
}

.brand:hover {
  color: var(--color-text);
}

.brand--center {
  justify-content: center;
  margin-bottom: 1rem;
}

.brand--logo {
  display: flex;
  margin-bottom: 1.25rem;
}

.brand__logo {
  display: block;
  width: min(100%, 168px);
  height: auto;
  border-radius: var(--radius-md);
  object-fit: contain;
}

.brand__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  background: var(--color-primary);
  color: #fff;
  font-size: 0.85rem;
}

.brand__mark {
  display: block;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  background: var(--color-primary);
}

/* Icon button */
.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  padding: 0;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-text);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background var(--transition);
}

.icon-btn:hover {
  background: var(--color-bg);
}

.icon-btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Чекбокс */
.checkbox {
  display: inline-flex;
  cursor: pointer;
}

.checkbox input {
  position: absolute;
  opacity: 0;
  width: 0;
  height: 0;
}

.checkbox__box {
  width: 20px;
  height: 20px;
  border: 2px solid var(--color-border);
  border-radius: 4px;
  background: var(--color-card);
  transition: border-color var(--transition), background var(--transition);
}

.checkbox input:checked + .checkbox__box {
  background: var(--color-primary);
  border-color: var(--color-primary);
}

.checkbox input:checked + .checkbox__box::after {
  content: "";
  display: block;
  width: 5px;
  height: 9px;
  margin: 2px auto;
  border: solid #fff;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

/* Тег и бейдж */
.tag {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  font-size: 0.72rem;
  border-radius: 999px;
  background: var(--color-bg);
  color: var(--color-muted);
}

.badge {
  display: inline-block;
  padding: 0.1rem 0.45rem;
  font-size: 0.72rem;
  font-weight: 600;
  border-radius: 999px;
  text-transform: capitalize;
}

.badge--priority.badge--high {
  background: #fee2e2;
  color: #b91c1c;
}

.badge--priority.badge--medium {
  background: #fef3c7;
  color: #b45309;
}

.badge--priority.badge--low {
  background: #e0e7ff;
  color: #4338ca;
}

/* Модальное окно */
.modal[hidden] {
  display: none;
}

.modal:not([hidden]) {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(31, 41, 55, 0.35);
}

.modal__dialog {
  position: relative;
  width: min(100%, 440px);
  background: var(--color-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--color-border);
}

.modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-border);
}

.modal__header h2 {
  margin: 0;
  font-size: 1.1rem;
}

.modal__body {
  padding: 1.25rem;
}

.modal__footer {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  padding: 0 1.25rem 1.25rem;
}

.modal__message {
  margin: 0;
  font-size: 0.95rem;
  color: var(--color-muted);
  line-height: 1.5;
}

.confirm-dialog:not([hidden]) {
  z-index: 360;
}

.confirm-dialog:not([hidden]) .confirm-dialog__panel {
  animation: confirm-dialog-in 0.16s ease;
}

@keyframes confirm-dialog-in {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.confirm-dialog__panel {
  width: min(100%, 400px);
}

.confirm-dialog__panel:focus {
  outline: none;
}

/* Лендинг */
.landing-header {
  background: var(--color-sidebar);
  border-bottom: 1px solid var(--color-border);
}

.landing-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 64px;
}

.landing-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.landing-nav__link {
  color: var(--color-text);
  font-weight: 500;
}

.landing-hero {
  padding: 4rem 0;
}

.landing-hero__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.landing-hero__title {
  margin: 0 0 1rem;
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  line-height: 1.2;
}

.landing-hero__text {
  margin: 0 0 1.5rem;
  color: var(--color-muted);
  max-width: 42ch;
}

.landing-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.landing-preview {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 1.35rem 1.4rem 1.45rem;
  box-shadow: var(--shadow-md);
}

.landing-preview__title {
  margin: 0 0 0.85rem;
  color: var(--color-primary);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.3;
}

.landing-preview__text {
  color: var(--color-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

.landing-preview__text p {
  margin: 0;
}

.landing-preview__text p + p {
  margin-top: 0.85rem;
}

.landing-preview__bar {
  height: 12px;
  width: 40%;
  border-radius: 6px;
  background: var(--color-primary);
  margin-bottom: 1rem;
  opacity: 0.85;
}

.landing-preview__row {
  height: 14px;
  border-radius: 6px;
  background: var(--color-border);
  margin-bottom: 0.65rem;
}

.landing-preview__row--muted {
  width: 70%;
  opacity: 0.7;
}

.landing-section {
  padding: 3rem 0 4rem;
}

.section-title {
  margin: 0 0 1.5rem;
  font-size: 1.5rem;
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.feature-card {
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  box-shadow: var(--shadow-sm);
}

.feature-card h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
}

.feature-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.landing-footer {
  padding: 1.5rem 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Авторизация */
.auth-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
}

.auth-card {
  width: min(100%, 400px);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 2rem;
  box-shadow: var(--shadow-md);
}

.auth-card__title {
  margin: 0 0 0.35rem;
  text-align: center;
  font-size: 1.5rem;
}

.auth-card__subtitle {
  margin: 0 0 1.5rem;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

.auth-card__footer {
  margin: 1rem 0 0;
  text-align: center;
  font-size: 0.9rem;
  color: var(--color-muted);
}

.auth-card__forgot {
  margin: -0.35rem 0 1rem;
  text-align: right;
  font-size: 0.85rem;
}

.auth-card__forgot a {
  color: var(--color-primary);
  font-weight: 600;
}

.form__consent {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  margin: 0 0 1.1rem;
}

.form__consent input {
  margin: 0.2rem 0 0;
  flex-shrink: 0;
}

.form__consent label {
  font-size: 0.8rem;
  line-height: 1.45;
  color: var(--color-muted);
  cursor: pointer;
}

.form__consent a {
  color: var(--color-primary);
}

/* Юридические страницы */
.legal-header {
  border-bottom: 1px solid var(--color-border);
  background: var(--color-card);
}

.legal-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 3.5rem;
  padding-top: 0.75rem;
  padding-bottom: 0.75rem;
}

.legal-page {
  padding: 2rem 0 3rem;
}

.legal-page__inner {
  max-width: 720px;
}

.legal-page__title {
  margin: 0 0 1.25rem;
  font-size: 1.75rem;
  font-weight: 700;
}

.legal-page__content {
  min-height: 8rem;
  color: var(--color-text);
  line-height: 1.6;
}

.legal-page__content h2 {
  margin: 1.75rem 0 0.75rem;
  font-size: 1.125rem;
  font-weight: 700;
}

.legal-page__content h3 {
  margin: 1.25rem 0 0.5rem;
  font-size: 1rem;
  font-weight: 650;
}

.legal-page__content p,
.legal-page__content ul {
  margin: 0 0 0.875rem;
}

.legal-page__content ul {
  padding-left: 1.25rem;
}

.legal-page__content li + li {
  margin-top: 0.35rem;
}

.legal-page__content a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 0.12em;
}

.legal-lead {
  font-size: 1.05rem;
}

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

.legal-updated {
  margin-top: 2rem;
  font-size: 0.9375rem;
  color: var(--color-muted);
}

/* Сообщения внутри сайта вместо alert браузера */
.app-notice {
  position: fixed;
  left: 50%;
  bottom: 1.5rem;
  z-index: 400;
  width: min(calc(100% - 2rem), 420px);
  transform: translateX(-50%);
}

.app-notice[hidden] {
  display: none;
}

.app-notice__card {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  padding: 0.85rem 0.75rem 0.85rem 1rem;
  border-radius: var(--radius-md);
  background: var(--color-card);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-md);
  animation: app-notice-in 0.2s ease;
}

.app-notice--error .app-notice__card {
  border-color: color-mix(in srgb, var(--color-danger) 40%, var(--color-border));
  background: color-mix(in srgb, var(--color-danger) 8%, var(--color-card));
}

.app-notice--success .app-notice__card {
  border-color: color-mix(in srgb, var(--color-success) 40%, var(--color-border));
  background: color-mix(in srgb, var(--color-success) 8%, var(--color-card));
}

.app-notice__text {
  flex: 1;
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.45;
  color: var(--color-text);
}

.app-notice__close {
  flex-shrink: 0;
  width: 28px;
  height: 28px;
  margin-top: -0.15rem;
  border: none;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--color-muted);
  font-size: 1.2rem;
  line-height: 1;
  cursor: pointer;
}

.app-notice__close:hover {
  background: var(--color-hover, var(--color-bg));
  color: var(--color-text);
}

@keyframes app-notice-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (max-width: 768px) {
  .landing-hero__grid,
  .feature-grid {
    grid-template-columns: 1fr;
  }

  .landing-nav__link:not(:last-child) {
    display: none;
  }
}