/* =========================================================
   KSK — HAMRO SANSAR
   Application Layout Styles
   Version: 5.0
   Architecture: Single Design System
   Responsibility:
   Header, Stories, Feed, Friends, Messages,
   Profile, Settings Layout, Bottom Navigation
========================================================= */


/* =========================================================
   01. APPLICATION VARIABLES
========================================================= */

:root {
  --app-content-width: 760px;
  --app-header-height: 66px;
  --app-bottom-height: 78px;
  --app-card-radius: 18px;
  --app-soft-radius: 13px;
}

body {
  min-width: 320px;
  overflow-x: hidden;
}


/* =========================================================
   02. MAIN APPLICATION LAYOUT
========================================================= */

.app-main {
  width: min(100%, var(--app-content-width));
  min-height: calc(100vh - var(--app-header-height));
  margin-inline: auto;
  padding: 18px 14px calc(var(--app-bottom-height) + 30px);
}

.page {
  width: 100%;
  min-width: 0;
  animation: ksk-page-in .22s ease;
}

.page-section {
  width: 100%;
}

.page-content-card {
  min-height: 180px;
}

.app-main .section-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0 0 14px;
  color: var(--color-text);
  font-size: 17px;
  font-weight: 800;
}

.other-page-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 16px;
}

.other-page-heading h2 {
  min-width: 0;
  margin: 0;
  font-size: 20px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

#otherPageText > section,
#otherPageText > .page-section {
  width: 100%;
}

@keyframes ksk-page-in {
  from {
    opacity: .65;
    transform: translateY(5px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}


/* =========================================================
   03. HEADER
========================================================= */

.app-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  width: 100%;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  box-shadow: var(--shadow-xs);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
}

.header-inner {
  width: min(100%, var(--app-content-width));
  min-height: var(--app-header-height);
  margin-inline: auto;
  padding: 8px 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 11px;
}

.brand-logo {
  width: 43px;
  height: 43px;
  flex: 0 0 43px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border-radius: 13px;
  background: var(--color-surface-secondary);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
}

.brand-logo-image {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.brand-text {
  min-width: 0;
}

.brand-name {
  margin: 0;
  color: var(--color-text);
  font-size: 17px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -.2px;
}

.brand-tagline {
  margin: 2px 0 0;
  color: var(--color-muted);
  font-size: 11px;
  line-height: 1.35;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-left: auto;
}

.header-actions .icon-button {
  width: 39px;
  height: 39px;
  border-color: var(--color-border);
  background: var(--color-surface-secondary);
  font-size: 19px;
}

.header-actions .icon-button:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}


/* =========================================================
   04. SEARCH
========================================================= */

.search-panel {
  position: relative;
  margin: 0 0 17px;
  animation: ksk-page-in .2s ease;
}

.search-panel .form-input {
  min-height: 46px;
  padding: 11px 16px;
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}


/* GLOBAL SEARCH RESULTS */

.search-results {
  display: flex;
  flex-direction: column;
  gap: 13px;
  margin-top: 12px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--app-soft-radius);
  background: var(--color-surface);
  box-shadow: var(--shadow-sm);
}

.search-results-summary {
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
}

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

.search-results-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 800;
}

.search-results-heading span {
  color: var(--color-muted);
  font-size: 12px;
}

.search-result-post-list,
.search-result-friend-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.search-result-post {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 11px 12px;
  border: 1px solid var(--color-border);
  border-radius: 12px;
  background: var(--color-surface-secondary);
  color: var(--color-text);
  text-align: left;
  cursor: pointer;
}

.search-result-post:hover,
.search-result-post:focus-visible {
  border-color: var(--color-primary);
  outline: none;
}

.search-result-post strong {
  font-size: 13px;
  font-weight: 800;
}

.search-result-post span {
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.search-results-more {
  margin: 0;
  color: var(--color-muted);
  font-size: 12px;
  text-align: center;
}

.search-results-empty {
  padding: 16px 8px;
  color: var(--color-muted);
  font-size: 13px;
  text-align: center;
}

.search-result-friend-list .friend-card {
  box-shadow: none;
}


/* =========================================================
   05. STORIES
========================================================= */

.stories-section {
  margin-bottom: 19px;
}

.stories-row {
  width: 100%;
  display: flex;
  align-items: stretch;
  gap: 10px;
  overflow-x: auto;
  overflow-y: hidden;
  padding: 2px 1px 9px;
  overscroll-behavior-inline: contain;
  scrollbar-width: thin;
}

.story-card {
  position: relative;
  width: 86px;
  min-width: 86px;
  min-height: 112px;
  padding: 10px 6px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--color-border);
  border-radius: 16px;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-xs);
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background var(--transition-fast);
}

.story-card:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  transform: translateY(-2px);
}

.story-card:active {
  transform: scale(.96);
}

.story-avatar {
  width: 55px;
  height: 55px;
  flex: 0 0 55px;
  display: grid;
  place-items: center;
  overflow: hidden;
  border: 3px solid var(--color-primary);
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 21px;
  font-weight: 800;
}

.story-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: inherit;
}

.story-card:first-child .story-avatar {
  border-style: dashed;
  border-color: var(--color-border-strong);
}

.story-name {
  display: block;
  max-width: 100%;
  overflow: hidden;
  color: var(--color-text-secondary);
  font-size: 11px;
  font-weight: 700;
  text-align: center;
  text-overflow: ellipsis;
  white-space: nowrap;
}


/* =========================================================
   06. POST COMPOSER
========================================================= */

.composer-card {
  margin-bottom: 21px;
  padding: 14px;
  border-radius: var(--app-card-radius);
}

.composer-top {
  display: flex;
  align-items: center;
  gap: 11px;
}

.composer-input {
  width: 100%;
  min-width: 0;
  min-height: 44px;
  padding: 10px 17px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-background);
  color: var(--color-muted);
  font-size: 13px;
  text-align: left;
}

.composer-input:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.composer-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px solid var(--color-border);
}

.composer-tool {
  min-height: 36px;
  padding: 7px 12px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--color-text-secondary);
  font-size: 12px;
  font-weight: 700;
}

.composer-tool:hover {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}


/* =========================================================
   07. POSTS AND FEED
========================================================= */

.feed-section {
  width: 100%;
}

#feedList {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.post-card {
  width: 100%;
  overflow: hidden;
  margin: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--app-card-radius);
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-sm);
  transition:
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.post-card:hover {
  border-color: var(--color-border-strong);
  box-shadow: var(--shadow-md);
}

.post-header {
  min-width: 0;
  padding: 14px 14px 8px;
  display: flex;
  align-items: center;
  gap: 11px;
}

.post-author {
  flex: 1;
  min-width: 0;
}

.post-author-name {
  margin: 0;
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.post-time {
  display: block;
  margin: 3px 0 0;
  color: var(--color-muted);
  font-size: 11px;
  line-height: 1.5;
}

.post-header > .icon-button {
  flex: 0 0 36px;
  width: 36px;
  height: 36px;
  font-size: 21px;
}

.post-content {
  padding: 7px 15px 16px;
  color: var(--color-text);
  font-size: 14px;
  line-height: 1.85;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.post-actions {
  min-height: 48px;
  padding: 6px 8px;
  display: flex;
  align-items: center;
  gap: 4px;
  border-top: 1px solid var(--color-border);
}

.post-action {
  flex: 1;
  min-width: 0;
  min-height: 36px;
  padding: 6px 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  border: 0;
  border-radius: 10px;
  background: transparent;
  color: var(--color-muted);
  font-size: 12px;
  font-weight: 700;
  white-space: nowrap;
}

.post-action:hover,
.post-action.is-active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}


/* =========================================================
   08. FRIENDS
========================================================= */

.friends-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 13px;
}

.friend-card {
  padding: 13px;
  border-radius: var(--app-soft-radius);
  box-shadow: var(--shadow-xs);
}

.friend-card .flex {
  min-width: 0;
}

.friend-card .flex-column {
  flex: 1;
  min-width: 0;
  gap: 2px;
}

.friend-card strong {
  color: var(--color-text);
  font-size: 14px;
  overflow-wrap: anywhere;
}

.friend-card .icon-button {
  margin-left: auto;
  flex: 0 0 38px;
  border: 1px solid var(--color-border);
  background: var(--color-surface-secondary);
}


/* =========================================================
   09. MESSAGES AND CHAT
========================================================= */

.chat-list {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin-top: 12px;
}

.chat-item {
  width: 100%;
  min-height: 72px;
  padding: 13px;
  display: block;
  border: 1px solid var(--color-border);
  border-radius: var(--app-soft-radius);
  background: var(--color-surface);
  color: var(--color-text);
  text-align: left;
  box-shadow: var(--shadow-xs);
}

.chat-item:hover {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
}

.chat-item .flex {
  min-width: 0;
}

.chat-item .flex-column {
  flex: 1;
  min-width: 0;
  gap: 3px;
}

.chat-item strong {
  color: var(--color-text);
  font-size: 13px;
}

.chat-item .text-muted {
  display: block;
  max-width: 100%;
  overflow: hidden;
  font-size: 12px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.chat-view {
  min-height: 400px;
  display: flex;
  flex-direction: column;
  gap: 13px;
}

.chat-heading {
  min-height: 62px;
  padding: 10px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--app-soft-radius);
  background: var(--color-surface);
}

.chat-messages {
  min-height: 250px;
  max-height: 55vh;
  padding: 14px 10px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
  overflow-y: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--app-soft-radius);
  background: var(--color-surface-secondary);
  overscroll-behavior: contain;
}

.chat-message {
  width: fit-content;
  max-width: min(85%, 440px);
  padding: 9px 12px;
  border: 1px solid var(--color-border);
  border-radius: 14px 14px 14px 4px;
  background: var(--color-surface);
  color: var(--color-text);
  box-shadow: var(--shadow-xs);
}

.chat-message p {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.chat-message-mine {
  align-self: flex-end;
  border-color: rgba(var(--color-primary-rgb), .25);
  border-radius: 14px 14px 4px 14px;
  background: var(--color-primary-soft);
}

.chat-form {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
}

.chat-form .form-input {
  min-width: 0;
  min-height: 40px;
  padding: 8px 12px;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.chat-form .btn {
  flex: 0 0 auto;
}


/* =========================================================
   10. PROFILE
========================================================= */

.profile-section {
  width: 100%;
}

.profile-card {
  padding: 24px 16px;
  border-radius: var(--app-card-radius);
  background: var(--color-surface);
  text-align: center;
}

.profile-avatar {
  width: 108px;
  height: 108px;
  margin: 0 auto 14px;
  display: grid;
  place-items: center;
  border: 3px solid var(--color-primary-soft);
  border-radius: 50%;
  background: var(--color-surface-secondary);
}

.profile-avatar .avatar {
  width: 96px;
  height: 96px;
  flex-basis: 96px;
}

.profile-card h2 {
  margin: 0 0 8px;
  font-size: 20px;
  font-weight: 800;
  overflow-wrap: anywhere;
}

.profile-card p {
  margin: 6px 0;
  color: var(--color-text-secondary);
  font-size: 13px;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.profile-posts {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-top: 12px;
}


/* =========================================================
   11. NOTIFICATIONS AND SAVED POSTS
========================================================= */

.notification-item {
  margin-bottom: 10px;
  padding: 14px;
  border-radius: var(--app-soft-radius);
}

.notification-item p {
  margin: 0;
  color: var(--color-text);
  font-size: 13px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}


/* =========================================================
   12. STORY VIEW
========================================================= */

.story-view-content {
  text-align: center;
}

.story-view-content > .avatar {
  margin: 0 auto 10px;
}


/* =========================================================
   13. SETTINGS — MAIN MENU
========================================================= */

#settingsModal .modal {
  width: min(100%, 540px);
  max-height: min(90vh, 820px);
}

#settingsModal .modal-body {
  padding: 15px;
}

.ksk-settings-profile-shortcut {
  min-height: 76px;
  margin-bottom: 14px;
  padding: 13px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--color-border);
  border-radius: 15px;
  background: var(--color-surface-secondary);
}

.ksk-settings-avatar {
  width: 47px;
  height: 47px;
  flex: 0 0 47px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 22px;
}

.ksk-settings-profile-shortcut > div:nth-child(2) {
  min-width: 0;
  flex: 1;
}

.ksk-settings-profile-shortcut strong,
.ksk-settings-row-copy strong,
.ksk-setting-row-copy strong {
  display: block;
  color: var(--color-text);
  font-size: 13px;
  font-weight: 800;
}

.ksk-settings-profile-shortcut small,
.ksk-setting-row-copy small {
  display: block;
  margin-top: 3px;
  color: var(--color-muted);
  font-size: 11px;
  line-height: 1.55;
}

.ksk-settings-profile-shortcut button {
  width: 34px;
  height: 34px;
  flex: 0 0 34px;
  border: 0;
  border-radius: 50%;
  background: transparent;
  color: var(--color-muted);
  font-size: 25px;
}

.ksk-settings-menu {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.ksk-setting-menu-row {
  width: 100%;
  min-height: 67px;
  padding: 10px 11px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid transparent;
  border-radius: 13px;
  background: transparent;
  color: var(--color-text);
  text-align: left;
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.ksk-setting-menu-row:hover,
.ksk-setting-menu-row:focus-visible {
  border-color: var(--color-border);
  background: var(--color-surface-secondary);
}

.ksk-setting-icon {
  width: 42px;
  height: 42px;
  flex: 0 0 42px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: var(--color-primary-soft);
  font-size: 20px;
}

.ksk-setting-row-copy {
  flex: 1;
  min-width: 0;
}

.ksk-setting-chevron {
  flex: 0 0 auto;
  color: var(--color-muted);
  font-size: 25px;
  line-height: 1;
}


/* =========================================================
   14. SETTINGS — SECTIONS AND BACK BUTTON
========================================================= */

.ksk-settings-back {
  min-height: 37px;
  margin: 0 0 13px;
  padding: 5px 10px 5px 3px;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 800;
}

.ksk-settings-back:hover {
  background: var(--color-primary-soft);
}

.ksk-settings-back:first-letter {
  font-size: 23px;
}

.ksk-settings-section-heading {
  margin: 0 0 15px;
}

.ksk-settings-section-heading h3 {
  margin: 0;
  color: var(--color-text);
  font-size: 18px;
  font-weight: 800;
}

.ksk-settings-section-heading p {
  margin: 5px 0 0;
  color: var(--color-muted);
  font-size: 12px;
  line-height: 1.7;
}

.ksk-settings-card {
  margin-bottom: 13px;
  padding: 4px 13px;
  border: 1px solid var(--color-border);
  border-radius: 15px;
  background: var(--color-surface);
  box-shadow: var(--shadow-xs);
}

.ksk-setting-option {
  min-height: 69px;
  padding: 12px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 13px;
  border-bottom: 1px solid var(--color-border);
}

.ksk-setting-option:last-child {
  border-bottom: 0;
}

.ksk-setting-option > .ksk-setting-row-copy {
  min-width: 0;
}

.ksk-setting-select-option {
  cursor: pointer;
}

.ksk-setting-select {
  width: auto;
  min-width: 112px;
  max-width: 150px;
  min-height: 38px;
  padding: 6px 9px;
  border-radius: 9px;
  font-size: 12px;
}

.ksk-settings-divider {
  height: 1px;
  margin: 4px 0;
  background: var(--color-border);
}


/* =========================================================
   15. SETTINGS — SWITCHES
========================================================= */

.ksk-switch {
  position: relative;
  width: 47px;
  height: 27px;
  flex: 0 0 47px;
  display: inline-block;
  cursor: pointer;
}

.ksk-switch input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
}

.ksk-switch-track {
  position: absolute;
  inset: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: 30px;
  background: var(--color-border);
  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.ksk-switch-track::before {
  content: "";
  position: absolute;
  top: 3px;
  left: 3px;
  width: 19px;
  height: 19px;
  border-radius: 50%;
  background: #fff;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .2);
  transition: transform var(--transition-fast);
}

.ksk-switch input:checked + .ksk-switch-track {
  border-color: var(--color-primary);
  background: var(--color-primary);
}

.ksk-switch input:checked + .ksk-switch-track::before {
  transform: translateX(20px);
}

.ksk-switch input:focus-visible + .ksk-switch-track {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}


/* =========================================================
   16. SETTINGS — INFO AND ACTIONS
========================================================= */

.ksk-settings-info {
  margin: 12px 1px;
  padding: 12px;
  border: 1px solid var(--color-border);
  border-radius: 11px;
  background: var(--color-surface-secondary);
  color: var(--color-muted);
  font-size: 11px;
  line-height: 1.75;
}

.ksk-settings-storage-actions {
  padding: 7px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.ksk-settings-storage-actions button {
  width: 100%;
  min-height: 43px;
  padding: 9px 11px;
  border: 0;
  border-radius: 9px;
  background: transparent;
  color: var(--color-text);
  font-size: 12px;
  font-weight: 700;
  text-align: left;
}

.ksk-settings-storage-actions button:hover {
  background: var(--color-surface-hover);
}

.ksk-settings-storage-actions button[data-settings-action="reset"] {
  color: var(--color-danger);
}

.ksk-settings-link {
  min-height: 43px;
  margin: 8px 0;
  padding: 10px 12px;
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 10px;
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
}

.ksk-settings-about {
  padding: 27px 15px;
  text-align: center;
}

.ksk-settings-about-logo {
  width: 74px;
  height: 74px;
  margin: 0 auto 13px;
  display: grid;
  place-items: center;
  border: 1px solid var(--color-border);
  border-radius: 20px;
  background: var(--color-primary-soft);
  font-size: 35px;
}

.ksk-settings-about h3 {
  margin: 0 0 7px;
  font-size: 19px;
}

.ksk-settings-about p {
  margin: 0 0 8px;
  color: var(--color-text-secondary);
  font-size: 13px;
}

.ksk-settings-about small {
  color: var(--color-muted);
  font-size: 11px;
}


/* =========================================================
   17. POST MENU
========================================================= */

.post-menu-actions {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.post-menu-actions .dropdown-item {
  min-height: 45px;
  font-size: 13px;
  font-weight: 700;
}

.post-menu-actions .dropdown-item[data-delete-post] {
  color: var(--color-danger);
}


/* =========================================================
   18. APPLICATION EMPTY STATES
========================================================= */

.app-main .empty-state {
  width: 100%;
  padding: 32px 16px;
  border: 1px dashed var(--color-border-strong);
  border-radius: var(--app-card-radius);
  background: var(--color-surface);
}

.app-main .empty-state-icon {
  margin-bottom: 8px;
  font-size: 35px;
  line-height: 1.4;
}

.app-main .empty-state-title {
  margin: 5px 0 7px;
  font-size: 16px;
}

.app-main .empty-state p {
  max-width: 360px;
  margin: 0 auto;
  font-size: 12px;
  line-height: 1.8;
}


/* =========================================================
   19. TOAST POSITION
   Toast appearance is owned by design-system.css
========================================================= */

.toast-container,
#toastContainer {
  position: fixed;
  top: calc(var(--app-header-height) + 10px);
  left: 50%;
  z-index: var(--z-toast);
  width: min(calc(100% - 26px), 420px);
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}


/* =========================================================
   20. BOTTOM NAVIGATION
========================================================= */

.bottom-nav {
  position: fixed;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: calc(var(--z-header) + 5);
  min-height: var(--app-bottom-height);
  padding: 7px 10px calc(7px + env(safe-area-inset-bottom));
  display: flex;
  justify-content: center;
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  box-shadow: 0 -5px 20px rgba(15, 23, 42, .045);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
}

.bottom-nav-inner {
  width: min(100%, var(--app-content-width));
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 6px;
}

.nav-item {
  position: relative;
  flex: 1 1 0;
  min-width: 0;
  min-height: 60px;
  padding: 6px 3px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  border: 0;
  border-radius: 14px;
  background: transparent;
  color: var(--color-muted);
  font-size: 11px;
  font-weight: 700;
  line-height: 1.35;
  transition:
    color var(--transition-fast),
    background var(--transition-fast);
}

.nav-icon {
  display: block;
  font-size: 22px;
  line-height: 1.1;
}

.nav-item:hover {
  background: var(--color-surface-hover);
  color: var(--color-primary);
}

.nav-item.active {
  background: var(--color-primary-soft);
  color: var(--color-primary);
}

.nav-item:active {
  transform: scale(.95);
}

.nav-create .nav-icon {
  width: 29px;
  height: 29px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--color-primary);
  color: #fff;
  font-size: 22px;
}

.nav-create.active {
  background: transparent;
}


/* =========================================================
   21. MEDIA COMPATIBILITY
========================================================= */

.ksk-post-media {
  width: 100%;
  overflow: hidden;
  background: var(--color-surface-secondary);
}

.ksk-post-media img {
  display: block;
  width: 100%;
  max-height: 560px;
  object-fit: contain;
  background: var(--color-background);
}

.ksk-story-media {
  width: 100%;
  overflow: hidden;
  border-radius: 13px;
}

.ksk-story-media img {
  display: block;
  width: 100%;
  max-height: 65vh;
  object-fit: contain;
}

.ksk-media-error {
  padding: 20px;
  color: var(--color-muted);
  text-align: center;
  font-size: 12px;
}


/* =========================================================
   22. COMPACT MODE
========================================================= */

body.ksk-compact-mode .post-card {
  border-radius: 12px;
}

body.ksk-compact-mode .post-header {
  padding-top: 9px;
  padding-bottom: 5px;
}

body.ksk-compact-mode .post-content {
  padding-top: 4px;
  padding-bottom: 10px;
  line-height: 1.6;
}

body.ksk-compact-mode .stories-section {
  margin-bottom: 12px;
}


/* =========================================================
   23. TABLET AND DESKTOP
========================================================= */

@media (min-width: 768px) {
  .app-main {
    padding-top: 24px;
    padding-inline: 20px;
    padding-bottom: calc(var(--app-bottom-height) + 35px);
  }

  .header-inner {
    padding-inline: 20px;
  }

  .brand-name {
    font-size: 18px;
  }

  .stories-row {
    gap: 12px;
  }

  .story-card {
    width: 94px;
    min-width: 94px;
    min-height: 120px;
  }

  .story-avatar {
    width: 59px;
    height: 59px;
    flex-basis: 59px;
  }

  .composer-card {
    padding: 17px;
  }

  .post-header {
    padding: 16px 17px 9px;
  }

  .post-content {
    padding-inline: 18px;
    font-size: 15px;
  }

  .post-actions {
    padding-inline: 13px;
  }

  .post-action {
    font-size: 13px;
  }

  .bottom-nav {
    padding-inline: 16px;
  }

  .nav-item {
    max-width: 130px;
    min-height: 52px;
    font-size: 11px;
  }
}


/* =========================================================
   24. MOBILE
========================================================= */

@media (max-width: 600px) {
  :root {
    --app-header-height: 60px;
    --app-bottom-height: 78px;
  }

  body {
    font-size: 13px;
  }

  .app-main {
    padding: 13px 10px calc(var(--app-bottom-height) + 22px);
  }

  .header-inner {
    min-height: 60px;
    padding: 7px 10px;
  }

  .brand {
    gap: 8px;
  }

  .brand-logo {
    width: 39px;
    height: 39px;
    flex-basis: 39px;
    border-radius: 11px;
  }

  .brand-name {
    font-size: 15px;
  }

  .brand-tagline {
    font-size: 10px;
  }

  .header-actions {
    gap: 4px;
  }

  .header-actions .icon-button {
    width: 36px;
    height: 36px;
    font-size: 17px;
  }

  .stories-row {
    gap: 8px;
  }

  .story-card {
    width: 78px;
    min-width: 78px;
    min-height: 104px;
  }

  .story-avatar {
    width: 49px;
    height: 49px;
    flex-basis: 49px;
  }

  .composer-card {
    padding: 11px;
  }

  .post-header {
    padding: 11px 11px 7px;
  }

  .post-content {
    padding: 6px 12px 13px;
    font-size: 13px;
  }

  .post-actions {
    gap: 2px;
    padding-inline: 5px;
  }

  .post-action {
    gap: 3px;
    min-height: 35px;
    padding-inline: 2px;
    font-size: 10px;
  }

  .bottom-nav {
    min-height: var(--app-bottom-height);
    padding: 7px 6px calc(7px + env(safe-area-inset-bottom));
  }

  .bottom-nav-inner {
    gap: 4px;
  }

  .nav-item {
    min-height: 60px;
    padding: 6px 2px;
    border-radius: 12px;
    font-size: 10px;
    line-height: 1.25;
  }

  .nav-icon {
    font-size: 21px;
  }

  .nav-create .nav-icon {
    width: 27px;
    height: 27px;
    font-size: 20px;
  }

  #settingsModal .modal {
    max-height: 92vh;
  }

  #settingsModal .modal-body {
    padding: 12px;
  }

  .ksk-setting-menu-row {
    min-height: 63px;
    padding-inline: 8px;
  }

  .ksk-setting-icon {
    width: 39px;
    height: 39px;
    flex-basis: 39px;
  }

  .ksk-setting-option {
    gap: 9px;
  }

  .ksk-setting-select {
    min-width: 100px;
    max-width: 125px;
  }
}


/* =========================================================
   25. SMALL MOBILE
========================================================= */

@media (max-width: 420px) {
  .app-main {
    padding-inline: 9px;
  }

  .brand-name {
    font-size: 14px;
  }

  .brand-tagline {
    font-size: 9px;
  }

  .header-actions .icon-button {
    width: 34px;
    height: 34px;
  }

  .post-action {
    font-size: 9px;
  }

  .nav-item {
    font-size: 10px;
  }

  .ksk-settings-profile-shortcut {
    padding: 10px;
  }

  .ksk-setting-row-copy strong {
    font-size: 12px;
  }

  .ksk-setting-row-copy small {
    font-size: 10px;
  }
}

@media (max-width: 350px) {
  .brand-tagline {
    display: none;
  }

  .brand-name {
    font-size: 13px;
  }

  .header-actions .icon-button {
    width: 32px;
    height: 32px;
  }

  .post-action {
    font-size: 8px;
  }

  .nav-item {
    font-size: 9px;
  }

  .ksk-setting-select {
    min-width: 90px;
    max-width: 105px;
    font-size: 11px;
  }
}


/* =========================================================
   26. KSK POST REACTION PICKER
   Responsibility:
   - Facebook-style reaction popup
   - Five reaction options
   - Selected reaction state
   - Mobile and desktop positioning
========================================================= */

.ksk-reaction-picker {
  position: fixed;
  z-index: 99999;

  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;

  width: max-content;
  max-width: calc(100vw - 20px);

  padding: 9px 11px;

  border: 1px solid var(--color-border);
  border-radius: 40px;

  background: var(--color-surface);

  box-shadow:
    0 8px 30px rgba(0, 0, 0, .16),
    0 2px 8px rgba(0, 0, 0, .08);

  animation: ksk-reaction-in .18s ease-out;

  transform-origin: bottom center;
}

.ksk-reaction-option {
  width: 43px;
  height: 43px;
  flex: 0 0 43px;

  padding: 0;

  display: grid;
  place-items: center;

  border: 0;
  border-radius: 50%;

  background: transparent;
  color: var(--color-text);

  font-family: inherit;
  font-size: 27px;
  line-height: 1;

  cursor: pointer;

  transition:
    transform .16s ease,
    background .16s ease,
    box-shadow .16s ease;
}

.ksk-reaction-option:hover {
  background: var(--color-surface-secondary);
  transform: translateY(-7px) scale(1.16);
}

.ksk-reaction-option:active {
  transform: scale(.88);
}

.ksk-reaction-option.is-selected {
  background: var(--color-primary-soft);
  box-shadow: inset 0 0 0 2px var(--color-primary);
  transform: translateY(-3px);
}

.ksk-reaction-option:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
}

@keyframes ksk-reaction-in {
  from {
    opacity: 0;
    transform: translateY(8px) scale(.88);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

/* Mobile */
@media (max-width: 600px) {
  .ksk-reaction-picker {
    gap: 5px;
    padding: 8px 9px;
  }

  .ksk-reaction-option {
    width: 39px;
    height: 39px;
    flex-basis: 39px;
    font-size: 25px;
  }
}

/* Reduced motion accessibility */
@media (prefers-reduced-motion: reduce) {
  .ksk-reaction-picker,
  .ksk-reaction-option {
    animation: none;
    transition: none;
  }
}


/* =========================================================
        NETWORK CONNECTION STATUS
========================================================= */

.network-status {
  box-sizing: border-box;

  width: min(
    calc(100% - 28px),
    var(--content-width)
  );

  margin: 10px auto 0;
  padding: 11px 14px;

  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);

  font-size: 13px;
  font-weight: 600;
  line-height: 1.6;

  overflow-wrap: anywhere;
}

.network-status-offline {
  color: var(--color-warning);

  background: var(--color-warning-soft);

  border-color: var(--color-warning);
}

.network-status-online {
  color: var(--color-success);

  background: var(--color-success-soft);

  border-color: var(--color-success);
}

.network-status[hidden] {
  display: none !important;
}

/* Small mobile screens */

@media (max-width: 420px) {
  .network-status {
    width: calc(100% - 20px);

    margin-top: 8px;

    padding: 9px 11px;

    font-size: 12px;
  }
}


/* =========================================================
   PWA UPDATE BANNER
========================================================= */

.pwa-update-banner {
  box-sizing: border-box;

  width: min(
    calc(100% - 28px),
    var(--app-content-width)
  );

  margin: 10px auto 0;
  padding: 14px;

  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;

  border: 1px solid var(--color-primary);
  border-radius: var(--radius-md);

  background: var(--color-primary-soft);
  color: var(--color-text);

  box-shadow: var(--shadow-xs);
}

.pwa-update-banner[hidden] {
  display: none !important;
}

.pwa-update-content {
  flex: 1 1 190px;
  min-width: 0;
}

.pwa-update-content strong {
  display: block;
  margin-bottom: 4px;

  color: var(--color-primary);
  font-size: 14px;
  font-weight: 800;
}

.pwa-update-content p {
  margin: 0;

  color: var(--color-text);
  font-size: 12px;
  line-height: 1.7;

  overflow-wrap: anywhere;
}

.pwa-update-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 7px;
}

.pwa-update-button {
  min-height: 36px;
  padding: 7px 12px;

  border: 1px solid var(--color-border);
  border-radius: 9px;

  font: inherit;
  font-size: 12px;
  font-weight: 700;

  cursor: pointer;
  transition:
    background .18s ease,
    opacity .18s ease;
}

.pwa-update-button:disabled {
  opacity: .55;
  cursor: wait;
}

.pwa-update-later {
  background: var(--color-surface);
  color: var(--color-text);
}

.pwa-update-now {
  border-color: var(--color-primary);
  background: var(--color-primary);
  color: #ffffff;
}

.pwa-update-later:hover:not(:disabled) {
  background: var(--color-surface-secondary);
}

.pwa-update-now:hover:not(:disabled) {
  opacity: .88;
}

.pwa-update-button:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

@media (max-width: 480px) {
  .pwa-update-banner {
    align-items: stretch;
    flex-direction: column;
  }

  .pwa-update-actions {
    width: 100%;
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .pwa-update-button {
    transition: none;
  }
}


/* =========================================================
   FEED PAGINATION — PHASE 3.1
========================================================= */

.feed-pagination-controls {
  width: 100%;
  padding: 10px 0 16px;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 10px;
}

.feed-pagination-status {
  color: var(--color-text-secondary);
  font-size: 12px;
  line-height: 1.6;
  text-align: center;
}

.feed-load-more {
  min-height: 40px;
  padding: 8px 20px;

  border: 1px solid var(--color-primary);
  border-radius: var(--radius-pill);

  background: var(--color-primary-soft);
  color: var(--color-primary);

  font-size: 13px;
  font-weight: 700;

  cursor: pointer;

  transition:
    background var(--transition-fast),
    transform var(--transition-fast);
}

.feed-load-more:hover {
  background: var(--color-surface-hover);
}

.feed-load-more:active {
  transform: scale(.97);
}

.feed-load-more:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

@media (max-width: 420px) {
  .feed-pagination-controls {
    padding: 8px 0 12px;
  }

  .feed-load-more {
    width: min(100%, 260px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .feed-load-more {
    transition: none;
  }
}

/* =========================================================
   CHAT MESSAGE PAGINATION — PHASE 3.2
========================================================= */

.chat-load-older {
  align-self: center;
  flex: 0 0 auto;

  min-height: 36px;
  padding: 7px 15px;

  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);

  background: var(--color-surface);
  color: var(--color-primary);

  font-family: inherit;
  font-size: 12px;
  font-weight: 700;

  cursor: pointer;

  transition:
    background var(--transition-fast),
    border-color var(--transition-fast);
}

.chat-load-older:hover {
  background: var(--color-primary-soft);
  border-color: var(--color-primary);
}

.chat-load-older:focus-visible {
  outline: 3px solid var(--color-primary);
  outline-offset: 3px;
}

@media (max-width: 420px) {
  .chat-load-older {
    min-height: 34px;
    font-size: 11px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .chat-load-older {
    transition: none;
  }
}


/* =========================================================
   MERO SANSAR — CUSTOM POST DELETE CONFIRMATION
========================================================= */

.ksk-delete-confirm {
  padding: 14px 8px 18px;
  text-align: center;
}

.ksk-delete-confirm-icon {
  width: 68px;
  height: 68px;
  margin: 4px auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 22px;
  background: rgba(239, 68, 68, 0.12);
  font-size: 30px;
}

.ksk-delete-confirm h3 {
  margin: 0 0 10px;
  font-size: 19px;
  font-weight: 800;
  color: var(--color-text, inherit);
}

.ksk-delete-confirm p {
  max-width: 360px;
  margin: 0 auto;
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-text-muted, #888);
}

.ksk-delete-confirm [data-confirm-delete-post] {
  min-width: 125px;
  background: #dc3545;
  border-color: #dc3545;
  color: #fff;
}

.ksk-delete-confirm [data-confirm-delete-post]:hover {
  background: #bb2d3b;
  border-color: #bb2d3b;
}

.ksk-delete-confirm [data-confirm-delete-post]:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

@media (max-width: 480px) {
  .ksk-delete-confirm {
    padding: 8px 2px 14px;
  }

  .ksk-delete-confirm h3 {
    font-size: 17px;
  }

  .ksk-delete-confirm p {
    font-size: 13px;
  }
}

/* =========================================================
   END — KSK APPLICATION LAYOUT
========================================================= */