/* =========================================================
   TWEETLIX — CASE CONTENT / STEP 3
   Gutenberg + Frontend
   ========================================================= */

.twl-case-content,
.editor-styles-wrapper {
  --twl-case-text: #f7f8ff;
  --twl-case-secondary: #b0b6cf;
  --twl-case-muted: #747c9c;
  --twl-case-blue: #6473ff;
  --twl-case-lavender: #bbc2ff;
  --twl-case-border: rgba(150, 160, 255, 0.15);
  --twl-case-border-strong: rgba(160, 170, 255, 0.28);
  --twl-case-panel: rgba(15, 19, 39, 0.88);
  --twl-case-panel-dark: rgba(8, 10, 22, 0.92);
}


.twl-case-content {
  width: min(100%, 1180px);
  margin-inline: auto;
}


/* =========================================================
   SHARED SECTION
   ========================================================= */

.twl-case-block {
  position: relative;
  isolation: isolate;
  margin: 0 0 clamp(72px, 8vw, 120px);
  color: var(--twl-case-text);
}


.twl-case-block:last-child {
  margin-bottom: 0;
}


.twl-case-block__code {
  margin: 0 0 16px !important;
  color: var(--twl-case-lavender);
  font: 600 11px/1.4 "IBM Plex Mono", monospace;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}


.twl-case-block__title {
  max-width: 920px;
  margin: 0 0 clamp(28px, 4vw, 46px) !important;
  color: var(--twl-case-text);
  font-family: "Montserrat", Arial, sans-serif;
  font-size: clamp(31px, 4vw, 54px);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -0.045em;
  text-wrap: balance;
}


/* =========================================================
   STARTING TASK
   ========================================================= */

.twl-case-task__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}


.twl-case-task__column {
  min-width: 0;
  padding: clamp(24px, 3vw, 38px);
  border: 1px solid var(--twl-case-border);
  border-radius: 22px;
  background: linear-gradient(145deg, var(--twl-case-panel), var(--twl-case-panel-dark));
}


.twl-case-task__column.is-technical {
  border-color: var(--twl-case-border-strong);
  background:
    radial-gradient(circle at 100% 0, rgba(100, 115, 255, 0.12), transparent 45%),
    linear-gradient(145deg, rgba(17, 21, 43, 0.94), rgba(8, 10, 22, 0.94));
}


.twl-case-task__label {
  margin: 0 0 20px !important;
  color: var(--twl-case-muted);
  font: 600 10px/1.45 "IBM Plex Mono", monospace;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}


.twl-case-task__column p:not(.twl-case-task__label),
.twl-case-task__column li {
  color: var(--twl-case-secondary);
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.75;
}


.twl-case-task__column p:not(.twl-case-task__label) {
  margin: 0 0 16px;
}


.twl-case-task__column ul,
.twl-case-task__column ol {
  margin: 18px 0 0;
}


/* =========================================================
   PROCESS
   ========================================================= */

.twl-case-process__list {
  counter-reset: twl-case-step;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}


.twl-case-step {
  counter-increment: twl-case-step;
  min-width: 0;
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 20px;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--twl-case-border);
  border-radius: 20px;
  background: linear-gradient(145deg, var(--twl-case-panel), var(--twl-case-panel-dark));
}


.twl-case-step__number::before {
  content: counter(twl-case-step, decimal-leading-zero);
  color: var(--twl-case-lavender);
  font: 600 13px/1 "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
}


.twl-case-step__title,
.twl-case-result__title,
.twl-case-challenge__title,
.twl-case-slide__title {
  margin: 0 !important;
  color: var(--twl-case-text);
  font-size: clamp(19px, 1.8vw, 26px);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.025em;
}


.twl-case-step__description,
.twl-case-result__description,
.twl-case-challenge__description,
.twl-case-slide__description {
  margin: 14px 0 0 !important;
  color: var(--twl-case-secondary);
  font-size: 14px;
  line-height: 1.7;
}


/* =========================================================
   ARCHITECTURE / MERMAID
   ========================================================= */

.twl-case-architecture__editor {
  margin-bottom: 18px;
}


.editor-styles-wrapper
.twl-case-architecture__editor
.components-base-control {
  margin-bottom: 0;
}


.editor-styles-wrapper
.twl-case-architecture__editor textarea {
  min-height: 260px;
  padding: 16px;
  border-color: var(--twl-case-border-strong);
  border-radius: 14px;
  background: #070916;
  color: #d8dcf2;
  font: 500 12px/1.65 "IBM Plex Mono", monospace;
  tab-size: 4;
}


/* ----- Editor live preview ----- */

.twl-case-architecture__preview {
  overflow: hidden;
  border: 1px solid var(--twl-case-border);
  border-radius: 22px;
  background:
    radial-gradient(
      circle at 80% 10%,
      rgba(100, 115, 255, 0.09),
      transparent 42%
    ),
    #090c19;
}


.twl-case-architecture__preview-head {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--twl-case-border);
  color: var(--twl-case-muted);
  font: 600 10px/1.4 "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}


.twl-case-architecture__preview-status {
  color: var(--twl-case-lavender);
}


.twl-case-architecture__preview-diagram {
  min-height: 300px;
  display: grid;
  place-items: center;
  padding: clamp(22px, 3vw, 34px);
  overflow: auto;
}


.twl-case-architecture__preview-diagram:empty {
  min-height: 0;
  padding: 0;
}


.twl-case-architecture__preview-diagram svg,
.twl-case-architecture__diagram svg {
  display: block;
  width: 100% !important;
  height: auto !important;
  max-width: none !important;
  margin: 0 auto;
}


.twl-case-architecture__preview-note {
  margin: 0 !important;
  padding: 28px;
  color: var(--twl-case-muted);
  font-size: 13px;
  text-align: center;
}


.twl-case-architecture__error {
  margin: 0 18px 18px;
  padding: 16px 18px;
  border: 1px solid rgba(255, 111, 128, 0.28);
  border-radius: 14px;
  background: rgba(255, 78, 102, 0.07);
  color: #ffc4cd;
}


.twl-case-architecture__error strong {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
}


.twl-case-architecture__error pre {
  max-height: 180px;
  margin: 0;
  overflow: auto;
  color: #e9adb6;
  font: 500 11px/1.55 "IBM Plex Mono", monospace;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}


/* ----- Frontend canvas ----- */

.twl-case-architecture__canvas {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--twl-case-border);
  border-radius: 24px;
  background:
    radial-gradient(
      circle at 82% 8%,
      rgba(100, 115, 255, 0.1),
      transparent 38%
    ),
    linear-gradient(
      145deg,
      rgba(12, 15, 32, 0.98),
      rgba(6, 8, 18, 0.98)
    );
}


.twl-case-architecture__toolbar {
  min-height: 54px;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 7px;
  padding: 9px 12px;
  border-bottom: 1px solid var(--twl-case-border);
  background: rgba(4, 6, 14, 0.38);
}


.twl-case-architecture__tool {
  min-width: 36px;
  height: 36px;
  display: inline-grid;
  place-items: center;
  padding: 0 10px;
  border: 1px solid var(--twl-case-border);
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--twl-case-secondary);
  font: 600 13px/1 "IBM Plex Mono", monospace;
  cursor: pointer;
  transition:
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    transform 180ms ease;
}


.twl-case-architecture__tool--reset {
  min-width: 62px;
  font-size: 10px;
}


.twl-case-architecture__tool:hover:not(:disabled) {
  transform: translateY(-1px);
  border-color: var(--twl-case-border-strong);
  background: rgba(100, 115, 255, 0.08);
  color: var(--twl-case-text);
}


.twl-case-architecture__tool:focus-visible,
.twl-case-architecture__viewport:focus-visible {
  outline: 2px solid var(--twl-case-lavender);
  outline-offset: -2px;
}


.twl-case-architecture__tool:disabled {
  opacity: 0.35;
  cursor: default;
}


.twl-case-architecture__viewport {
  min-height: 390px;
  max-height: min(78vh, 900px);
  padding: clamp(24px, 4vw, 48px);
  overflow: auto;
  overscroll-behavior: contain;
  scrollbar-color:
    rgba(160, 170, 255, 0.28)
    rgba(255, 255, 255, 0.025);
}


.twl-case-architecture__diagram {
  width: 100%;
  min-width: 100%;
  transition: width 180ms ease;
}


.twl-case-architecture__source[hidden] {
  display: none !important;
}


.twl-case-architecture__frontend-error {
  margin: 0 !important;
  padding: 28px;
  color: #ffc4cd;
  font-size: 14px;
  text-align: center;
}


.twl-case-architecture__frontend-error[hidden] {
  display: none !important;
}


.twl-case-architecture.is-rendering
.twl-case-architecture__canvas::after {
  content: "Построение схемы…";
  position: absolute;
  left: 18px;
  top: 17px;
  color: var(--twl-case-muted);
  font: 500 10px/1.4 "IBM Plex Mono", monospace;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}


/* Mermaid-generated SVG refinements. */

.twl-case-architecture
.node rect,
.twl-case-architecture
.node polygon,
.twl-case-architecture
.node circle,
.twl-case-architecture
.node ellipse,
.twl-case-architecture
.node path {
  filter: drop-shadow(0 8px 18px rgba(0, 0, 0, 0.12));
}


.twl-case-architecture
.edgeLabel {
  color: var(--twl-case-secondary);
}


.twl-case-architecture
.edgeLabel rect {
  opacity: 0.92 !important;
}


/* =========================================================
   GALLERY / SWIPER / LIGHTBOX
   ========================================================= */

.twl-case-gallery__swiper {
  width: 100%;
  overflow: hidden;
  border-radius: 24px;
}


/*
 * До инициализации Swiper показываем обычный вертикальный
 * список. Это progressive enhancement: если JS/CDN недоступен,
 * контент всё равно остаётся видимым и кликабельным.
 */
.twl-case-gallery__editor-list,
.twl-case-gallery__track {
  display: grid;
  gap: 18px;
}


.twl-case-gallery.is-ready
.twl-case-gallery__track {
  display: flex;
  gap: 0;
}


.twl-case-slide {
  min-width: 0;
  display: grid;
  grid-template-columns:
    minmax(0, 1.78fr)
    minmax(280px, 0.72fr);
  gap: clamp(24px, 3.5vw, 52px);
  align-items: stretch;
  padding: clamp(18px, 2.2vw, 28px);
  border: 1px solid var(--twl-case-border);
  border-radius: 24px;
  background:
    radial-gradient(
      circle at 88% 10%,
      rgba(100, 115, 255, 0.08),
      transparent 36%
    ),
    linear-gradient(
      145deg,
      var(--twl-case-panel),
      var(--twl-case-panel-dark)
    );
}


.twl-case-gallery.is-ready
.twl-case-slide {
  height: auto;
}


.twl-case-slide__media {
  position: relative;
  height: clamp(420px, 46vw, 640px);
  min-height: 0;
  display: grid;
  place-items: center;
  gap: 14px;
  overflow: hidden;
  border: 1px solid var(--twl-case-border);
  border-radius: 18px;
  background:
    radial-gradient(
      circle at 50% 35%,
      rgba(100, 115, 255, 0.055),
      transparent 55%
    ),
    #070916;
}


.twl-case-slide__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
}


.twl-case-slide.is-fit-cover
.twl-case-slide__media img {
  object-fit: cover;
}


.twl-case-slide__lightbox-link {
  position: relative;
  width: 100%;
  height: 100%;
  display: grid;
  place-items: center;
  overflow: hidden;
  color: inherit;
  cursor: zoom-in;
  text-decoration: none;
}


.twl-case-slide__lightbox-link::after {
  content: "Открыть ↗";
  position: absolute;
  right: 14px;
  bottom: 14px;
  z-index: 2;
  padding: 8px 10px;
  border: 1px solid rgba(185, 193, 255, 0.22);
  border-radius: 10px;
  background: rgba(5, 7, 17, 0.76);
  color: #dce0ff;
  font: 600 9px/1.2 "IBM Plex Mono", monospace;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  opacity: 0;
  transform: translateY(4px);
  backdrop-filter: blur(12px);
  transition:
    opacity 180ms ease,
    transform 180ms ease,
    border-color 180ms ease;
}


.twl-case-slide__lightbox-link:hover::after,
.twl-case-slide__lightbox-link:focus-visible::after {
  opacity: 1;
  transform: translateY(0);
}


.twl-case-slide__lightbox-link:focus-visible {
  outline: 2px solid var(--twl-case-lavender);
  outline-offset: -3px;
}


.twl-case-slide__empty {
  color: var(--twl-case-muted);
  font-size: 13px;
}


.twl-case-slide__content {
  align-self: center;
  min-width: 0;
  padding-right: clamp(2px, 1vw, 14px);
}


.twl-case-slide__title {
  font-size: clamp(22px, 2.2vw, 31px);
}


.twl-case-slide__description {
  font-size: clamp(14px, 1.15vw, 16px);
}


.twl-case-slide__description p {
  margin: 0 0 14px;
}


.twl-case-slide__description p:last-child {
  margin-bottom: 0;
}


/* ----- Slider controls ----- */

.twl-case-gallery__controls {
  display: grid;
  grid-template-columns: auto minmax(100px, 1fr) auto;
  gap: clamp(16px, 2vw, 28px);
  align-items: center;
  margin-top: 18px;
}


.twl-case-gallery__counter {
  min-width: 76px;
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  color: var(--twl-case-muted);
  font: 500 10px/1.2 "IBM Plex Mono", monospace;
  letter-spacing: 0.08em;
}


.twl-case-gallery__counter-current {
  color: var(--twl-case-text);
  font-size: 13px;
  font-weight: 600;
}


.twl-case-gallery__counter-separator {
  color: rgba(176, 182, 207, 0.42);
}


.twl-case-gallery__progress.swiper-pagination {
  position: relative;
  inset: auto;
  width: 100%;
  height: 2px;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(160, 170, 255, 0.13);
}


.twl-case-gallery__progress
.swiper-pagination-progressbar-fill {
  border-radius: inherit;
  background:
    linear-gradient(
      90deg,
      var(--twl-case-blue),
      var(--twl-case-lavender)
    );
}


.twl-case-gallery__navigation {
  display: flex;
  gap: 8px;
}


.twl-case-gallery__button {
  width: 46px;
  height: 46px;
  display: grid;
  place-items: center;
  padding: 0;
  border: 1px solid var(--twl-case-border);
  border-radius: 13px;
  background: rgba(255, 255, 255, 0.025);
  color: var(--twl-case-text);
  font: 500 18px/1 "IBM Plex Mono", monospace;
  cursor: pointer;
  transition:
    transform 180ms ease,
    color 180ms ease,
    border-color 180ms ease,
    background 180ms ease,
    opacity 180ms ease;
}


.twl-case-gallery__button:hover:not(:disabled) {
  transform: translateY(-2px);
  border-color: var(--twl-case-border-strong);
  background: rgba(100, 115, 255, 0.08);
  color: #fff;
}


.twl-case-gallery__button:focus-visible {
  outline: 2px solid var(--twl-case-lavender);
  outline-offset: 3px;
}


.twl-case-gallery__button:disabled,
.twl-case-gallery__button.swiper-button-disabled {
  opacity: 0.28;
  cursor: default;
}


.twl-case-gallery.is-single-slide
.twl-case-gallery__controls {
  grid-template-columns: 1fr;
}


.twl-case-gallery.is-single-slide
.twl-case-gallery__counter,
.twl-case-gallery.is-single-slide
.twl-case-gallery__progress,
.twl-case-gallery.is-single-slide
.twl-case-gallery__navigation {
  display: none;
}


/* ----- PhotoSwipe visual integration ----- */

.pswp {
  --pswp-bg: #02030a;
  --pswp-placeholder-bg: #070916;
}


.pswp__bg {
  opacity: 0.98;
}


.pswp__button {
  color: #f7f8ff;
}


/* =========================================================
   RESULTS
   ========================================================= */

.twl-case-results__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}


.twl-case-result {
  min-width: 0;
  padding: clamp(24px, 3vw, 34px);
  border: 1px solid var(--twl-case-border-strong);
  border-radius: 20px;
  background:
    radial-gradient(circle at 90% 0, rgba(100, 115, 255, 0.12), transparent 44%),
    linear-gradient(145deg, rgba(17, 21, 43, 0.94), rgba(8, 10, 22, 0.94));
}


/* =========================================================
   CHALLENGES
   ========================================================= */

.twl-case-challenges__list {
  border-top: 1px solid var(--twl-case-border);
}


.twl-case-challenge {
  display: grid;
  grid-template-columns: minmax(220px, 0.8fr) minmax(0, 1.4fr);
  gap: clamp(24px, 5vw, 72px);
  padding: clamp(26px, 4vw, 42px) 0;
  border-bottom: 1px solid var(--twl-case-border);
}


.twl-case-challenge__description {
  margin-top: 0 !important;
}


/* =========================================================
   GALLERY — GUTENBERG CONTROLS
   ========================================================= */

.editor-styles-wrapper .twl-case-gallery__editor-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
  margin: 0 0 12px;
}


.editor-styles-wrapper .twl-case-gallery__editor-help {
  max-width: 780px;
  margin: 0 0 24px !important;
  color: var(--twl-case-muted);
  font-size: 12px;
  line-height: 1.6;
}


.editor-styles-wrapper .twl-case-gallery__editor-list {
  display: grid;
  gap: 18px;
}


.editor-styles-wrapper .twl-case-gallery__editor-list .twl-case-slide {
  margin: 0;
}


.editor-styles-wrapper .twl-case-gallery__editor-list .block-editor-block-list__block {
  margin-top: 0;
  margin-bottom: 0;
}


/* =========================================================
   GUTENBERG EDITOR
   ========================================================= */

.editor-styles-wrapper .twl-case-block {
  width: min(100%, 1100px);
  margin-inline: auto;
  padding-inline: 10px;
}


.editor-styles-wrapper .twl-case-block + .twl-case-block {
  margin-top: 76px;
}


.editor-styles-wrapper .block-editor-inner-blocks,
.editor-styles-wrapper .block-editor-block-list__layout {
  min-width: 0;
}


.editor-styles-wrapper .twl-case-gallery__editor-list > .block-editor-inner-blocks > .block-editor-block-list__layout,
.editor-styles-wrapper .twl-case-process__list > .block-editor-inner-blocks > .block-editor-block-list__layout,
.editor-styles-wrapper .twl-case-results__grid > .block-editor-inner-blocks > .block-editor-block-list__layout,
.editor-styles-wrapper .twl-case-challenges__list > .block-editor-inner-blocks > .block-editor-block-list__layout,
.editor-styles-wrapper .twl-case-task__grid > .block-editor-inner-blocks > .block-editor-block-list__layout {
  display: contents;
}


/* =========================================================
   TABLET / MOBILE
   ========================================================= */

@media (max-width: 900px) {

  .twl-case-task__grid,
  .twl-case-process__list,
  .twl-case-results__grid,
  .twl-case-slide,
  .twl-case-challenge {
    grid-template-columns: 1fr;
  }


  .twl-case-slide__media {
    height: min(62vw, 560px);
  }
}


@media (max-width: 767px) {

  .twl-case-block {
    margin-bottom: 72px;
  }


  .twl-case-block__title {
    margin-bottom: 26px !important;
  }


  .twl-case-task__column,
  .twl-case-step,
  .twl-case-result,
  .twl-case-slide {
    border-radius: 18px;
  }


  .twl-case-step {
    grid-template-columns: 44px minmax(0, 1fr);
    gap: 12px;
  }


  .twl-case-slide__media {
    height: min(72vw, 460px);
  }
}




/* =========================================================
   GALLERY — MOBILE OVERRIDES
   ========================================================= */

@media (max-width: 767px) {

  .twl-case-gallery__swiper,
  .twl-case-slide {
    border-radius: 18px;
  }


  .twl-case-slide {
    gap: 22px;
    padding: 14px;
  }


  .twl-case-slide__media {
    border-radius: 14px;
  }


  .twl-case-slide__content {
    padding: 4px 6px 8px;
  }


  .twl-case-slide__lightbox-link::after {
    right: 10px;
    bottom: 10px;
    opacity: 1;
    transform: none;
  }


  .twl-case-gallery__controls {
    grid-template-columns: auto 1fr auto;
    gap: 12px;
    margin-top: 14px;
  }


  .twl-case-gallery__counter {
    min-width: 60px;
  }


  .twl-case-gallery__button {
    width: 42px;
    height: 42px;
    border-radius: 12px;
  }

}


/* =========================================================
   ARCHITECTURE — MOBILE OVERRIDES
   ========================================================= */

@media (max-width: 767px) {

  .twl-case-architecture__canvas,
  .twl-case-architecture__preview {
    border-radius: 18px;
  }

  .twl-case-architecture__toolbar {
    min-height: 50px;
  }

  .twl-case-architecture__viewport {
    min-height: 300px;
    max-height: 70vh;
    padding: 20px 16px;
  }

  .twl-case-architecture__preview-diagram {
    min-height: 260px;
    padding: 20px 14px;
  }

}