/* /app/static/style.css
==============================================================================
  ImageRepo – Global Styles
  - Theme tokens
  - Base & layout
  - Header / Navbar
  - Flash messages
  - Pagination
  - Gallery
  - Modal viewer
  - Tag overlays & editor
  - Tag/Artist cards (tags_list.html)
  - Settings
  - Index / Landing
  - Forms
==============================================================================*/

/*------------------------------------------------------------------------------
  Theme tokens
------------------------------------------------------------------------------*/
:root {
  /* surfaces */
  --bg: #5d6668;
  --panel: #1c1c1c;
  --panel-alt: rgba(0, 0, 0, .4);

  /* nav */
  --nav-bg: rgba(30, 30, 30, 0.92);
  --nav-border: rgba(255, 255, 255, 0.10);

  /* text */
  --text: #ffffff;
  --text-dim: #e2e2e2;

  /* accents */
  --link: #d4aeff;
  --link-hover: #d4d4d4;

  /* shadows */
  --shadow-1: 0 2px 6px rgba(0, 0, 0, 0.1);
  --shadow-2: 0 3px 4px rgba(0, 0, 0, 0.7);
  --shadow-3: 0 4px 10px rgba(0, 0, 0, 0.4);

  /* buttons */
  --btn-primary: #0066cc;
  --btn-primary-hover: #004d99;
  --btn-danger: #cc0033;
  --btn-danger-hover: #990024;

  /* flash */
  --flash-info: #3182ce;
  --flash-success: #38a169;
  --flash-warning: #dd6b20;
  --flash-danger: #e53e3e;

  /* filter pills (tags_list) */
  --filter-bg: #f8fafc;         /* slate-50 */
  --filter-fg: #0f172a;         /* slate-900 */
  --filter-border: #e2e8f0;     /* slate-200 */
  --filter-active-bg: #4f46e5;  /* indigo-600 */
  --filter-active-fg: #ffffff;
  --filter-active-border: #4338ca; /* indigo-700 */
}

/* Optional dark-scheme tuning for filter pills */
@media (prefers-color-scheme: dark) {
  :root {
    --filter-bg: rgba(255, 255, 255, 0.06);
    --filter-fg: #e2e8f0;           /* slate-200 */
    --filter-border: rgba(255, 255, 255, 0.12);
    --filter-active-bg: #6366f1;    /* indigo-500 */
    --filter-active-fg: #0b1020;    /* deeper contrast if desired */
    --filter-active-border: #818cf8; 
  }
}

/*------------------------------------------------------------------------------
  Base & layout
------------------------------------------------------------------------------*/
* { box-sizing: border-box; }

body {
  font-family: Arial, sans-serif;
  margin: 0;
  padding: 0 1rem;
  color: var(--text);
  background-color: var(--bg);
}

.content { padding: 8px; }

.mainview {
  max-width: 1600px;
  margin: 0 auto;
  background-color: var(--panel-alt);
}

/*------------------------------------------------------------------------------
  Header / Navbar (sticky)
------------------------------------------------------------------------------*/
header {
  position: sticky;
  top: 0;
  z-index: 1000;
}

.navbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .25rem .5rem;
  background-color: var(--nav-bg);
  border-bottom: 1px solid var(--nav-border);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.nav-button {
  display: inline-block;
  padding: 0.5rem 1rem;
  color: var(--text);
  text-decoration: none;
  border-radius: 5px;
  font-weight: bold;
  font-size: 1.5rem;
  transition: background-color 0.2s ease, transform 0.1s ease;
}
.nav-button:hover { background-color: #444; transform: translateY(-1px); }
.nav-button:active { background-color: #1a1a1a; transform: translateY(1px); }

/*------------------------------------------------------------------------------
  Flash messages
------------------------------------------------------------------------------*/
.flash-container {
  max-width: 800px;
  margin: 1rem auto;
  padding: 0 1rem;
}

.flash {
  padding: 1rem;
  margin-bottom: 1rem;
  border-radius: 6px;
  font-weight: 500;
  color: #fff;
  box-shadow: var(--shadow-1);
}
.flash-info { background-color: var(--flash-info); }
.flash-message,
.flash-success { background-color: var(--flash-success); }
.flash-warning { background-color: var(--flash-warning); }
.flash-danger,
.flash-error { background-color: var(--flash-danger); }

/*------------------------------------------------------------------------------
  Pagination
------------------------------------------------------------------------------*/
.pagination-container {
  text-align: center;
  margin: 2rem 0;
}
.pagination-link {
  display: inline-block;
  margin: 0 0.3rem;
  padding: 0.5rem 1rem;
  border: 1px solid #aaa;
  border-radius: 4px;
  color: #ffffff;
  text-decoration: none;
}
.pagination-link.active,
.pagination-link:hover {
  background-color: #007BFF;
  color: white;
  border-color: #007BFF;
}
.pagination-ellipsis { padding: 0 0.5rem; color: #999; }

/*------------------------------------------------------------------------------
  Gallery
------------------------------------------------------------------------------*/
.image-date {
  display: block;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.25rem;
}

.gallery-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1rem;
  padding: 1rem;
}

.gallery-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  height: 450px;
  background-color: var(--panel);
  box-shadow: var(--shadow-2);
  padding: 8px;
  border-radius: 8px;
  transition: transform 0.2s ease;
}
.gallery-item:hover { transform: scale(1.03); }

.gallery-thumb {
  position: relative;
  width: 100%;
  height: 100%;
  background-size: cover;
  background-position: center;
  box-shadow: 0 4px 4px rgba(0,0,0,0.4);
  border-radius: 12px;
  cursor: pointer;
}

.gallery-item a {
  color: var(--link);
  font-weight: bold;
  text-decoration: none;
  font-size: 0.95rem;
}
.gallery-item a:hover { text-decoration: underline; color: var(--link-hover); }

/* video play glyph sits under tags, above image */
.play-overlay {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  color: white;
  font-size: 2rem;
  text-shadow: 0 1px 4px rgba(0,0,0,.6);
  z-index: 1;
  pointer-events: none;
}

/*------------------------------------------------------------------------------
  Modal viewer
------------------------------------------------------------------------------*/
.modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1000;
  background: rgba(0, 0, 0, 0.85);
  justify-content: center;
  align-items: center;
}
.modal.active { display: flex; }

.modal-content {
  position: relative;
  width: 100%;
  max-width: 1600px;
  max-height: 95vh;
  display: flex;
  flex-direction: column;
  align-items: center;
}

/* Modal body */
.modal-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.75rem;
  width: 100%;
}

/* Image wrapper & zoom */
.modal-image-wrapper {
  max-width: 100%;
  max-height: 80vh;
  overflow: hidden;
  cursor: default;
}
.modal-image-wrapper.zoomed { overflow: auto; cursor: grab; }
.modal-image-wrapper.zoomed img {
  width: auto; height: auto; max-width: none; max-height: none;
}
.modal-image-wrapper img {
  max-width: 100%;
  max-height: 80vh;
  object-fit: contain;
  border-radius: 6px;
  box-shadow: 0 0 10px rgba(0,0,0,0.6);
}
/* Tall images */
.modal-image-wrapper.too-tall { overflow-y: auto; }
.modal-image-wrapper.too-tall img {
  width: 90vw; height: auto; max-height: none;
}

/* Modal navigation buttons */
.modal-button {
  position: absolute;
  top: 10%;
  bottom: 10%;
  width: 60px;
  background: rgba(0, 0, 0, 0.3);
  border: none;
  color: white;
  font-size: 2.5rem;
  cursor: pointer;
  z-index: 1001;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.2s;
  border-radius: 4px;
}
.modal-content:hover .modal-button { opacity: 1; }
.modal-prev { left: 0; }
.modal-next { right: 0; }

/*------------------------------------------------------------------------------
  Tag overlays & editor
------------------------------------------------------------------------------*/
/* Pills used inside overlays and editors */
.tags {
  margin-top: .4rem;
  display: flex;
  flex-wrap: wrap;
  gap: .25rem;
}

/* Tag chips (truncate long names nicely) */
.tag-chip {
  display: inline-block;             /* required for ellipsis */
  max-width: clamp(8rem, 22vw, 14rem); /* responsive cap */
  padding: 2px 8px;
  border-radius: 999px;
  background: rgba(255,255,255,0.92);
  color: #334155;
  text-decoration: none;
  border: 1px solid rgba(199,210,254,0.9);
  white-space: nowrap;               /* single line */
  overflow: hidden;                  /* hide overflow */
  text-overflow: ellipsis;           /* … */
  vertical-align: middle;
  font: 12px/1.6 system-ui, sans-serif;
}
.tag-chip:hover { background: rgba(255,255,255,1); }


.tag-editor { margin-top: .5rem; }
.tag-form { margin-top: .4rem; display: flex; gap: .5rem; }
.tag-form input { flex: 1; }

/* Tag overlay bar at the top of the image */
.tag-overlay {
  position: absolute;
  top: 0; left: 0; right: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 6px;
  z-index: 2;
  background: linear-gradient(to bottom, rgba(0,0,0,0.45), rgba(0,0,0,0));
}

/*------------------------------------------------------------------------------
  Tag/Artist cards (tags_list.html)
------------------------------------------------------------------------------*/
.artist-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 1.5rem;
  padding: 1rem;
}

.artist-card-link {
  text-decoration: none;
  color: inherit;
  display: block;
  transition: transform 0.2s ease;
}
.artist-card-link:hover .artist-card {
  transform: scale(1.02);
  box-shadow: var(--shadow-3);
}

.artist-card {
  background-color: var(--panel);
  padding: 1rem;
  border-radius: 8px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: transform 0.2s ease;
}
.artist-card h3 {
  margin-bottom: 0.5rem;
  text-align: center;
  color: var(--text);
}

.artist-preview {
  display: flex;
  gap: 0;
  justify-content: center;
  overflow: hidden;
  border-radius: 6px;
}
.artist-thumb {
  flex: 1;
  height: 300px;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform 0.3s ease;
}
.artist-thumb:hover { transform: scale(1.05); }

/* Filter pills (top of tags_list) */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin: .75rem 0 1rem;
}
.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .4rem .8rem;
  border-radius: 999px;
  border: 1px solid var(--filter-border);
  background: var(--filter-bg);
  color: var(--filter-fg);
  text-decoration: none;
  font: 14px/1.2 system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  transition: transform .15s ease, box-shadow .15s ease, background .15s ease;
}
.filter-btn:hover {
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(0,0,0,.08);
}
.filter-btn.is-active {
  background: var(--filter-active-bg);
  color: var(--filter-active-fg);
  border-color: var(--filter-active-border);
}
.filter-btn:focus-visible {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/*------------------------------------------------------------------------------
  Settings
------------------------------------------------------------------------------*/
.settings-container {
  max-width: 600px;
  margin: 2rem auto;
  padding: 1.5rem;
  background: #f8f8f8;
  border-radius: 12px;
  box-shadow: var(--shadow-1);
}
.settings-section h2 { margin-bottom: 1rem; text-align: center; }
.settings-actions {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.btn {
  padding: 0.75rem 1.5rem;
  font-size: 1rem;
  border: none;
  border-radius: 8px;
  cursor: pointer;
  transition: background 0.3s ease;
}
.primary-btn { background-color: var(--btn-primary); color: #fff; }
.primary-btn:hover { background-color: var(--btn-primary-hover); }
.danger-btn { background-color: var(--btn-danger); color: #fff; }
.danger-btn:hover { background-color: var(--btn-danger-hover); }

.settings-info {
  margin-top: 2rem;
  font-size: 0.95rem;
  color: #444;
  text-align: center;
}

/*------------------------------------------------------------------------------
  Index / Landing
------------------------------------------------------------------------------*/
.index-hero {
  position: relative;
  height: 100vh;
  background-size: cover;
  background-position: center;
  filter: blur(0px); /* initialize */
  overflow: hidden;
}
.index-overlay {
  position: absolute;
  inset: 0;
  background-color: rgba(20, 20, 20, 0.5);
  backdrop-filter: blur(16px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1;
}
.index-message {
  text-align: center;
  color: #fff;
  padding: 2rem;
  max-width: 600px;
}
.index-message h1 { font-size: 2.5rem; margin-bottom: 1rem; }
.index-message p { font-size: 1.2rem; margin-bottom: 2rem; }
.index-message .btn { font-size: 1.1rem; }

/*------------------------------------------------------------------------------
  Forms
------------------------------------------------------------------------------*/
.form-container {
  max-width: 400px;
  margin: 2rem auto;
  padding: 2rem;
  background-color: #ffffffdd;
  border-radius: 10px;
  box-shadow: var(--shadow-1);
}
.form-card { display: flex; flex-direction: column; gap: 1rem; }
.form-group { display: flex; flex-direction: column; }
.form-label { margin-bottom: 0.5rem; font-weight: 600; }
.form-input {
  padding: 0.6rem;
  border: 1px solid #ccc;
  border-radius: 5px;
}
.form-button {
  padding: 0.75rem;
  background-color: #5a67d8;
  color: white;
  border: none;
  border-radius: 5px;
  cursor: pointer;
}
.form-button:hover { background-color: #434190; }
.form-footer-text { margin-top: 1rem; text-align: center; }

/* Fixed-height, 2-line title area so all cards match height */
.card-title {
  /* reserve exactly two lines of space for the title */
  line-height: 1.3;
  min-height: calc(1.3em * 2);
  max-height: calc(1.3em * 2);
  overflow: hidden;
  margin-bottom: 0.5rem;
}

/* Multi-line clamp with ellipsis (where supported) */
.card-title-text {
  margin: 0;
  font-size: 1.1rem;
  line-height: 1.3;
  display: -webkit-box;
  -webkit-line-clamp: 2;           /* clamp to 2 lines */
  -webkit-box-orient: vertical;
  overflow: hidden;

  /* good fallbacks for very long single words / no spaces */
  overflow-wrap: anywhere;          /* allows breaking long tokens */
  word-break: break-word;
}