/* ═══════════════════════════════════════════════════════════
   POWERHOUSE.CSS — Power House Archive v2
   NDMA Pakistan | Bootstrap 5.3.x companion stylesheet
═══════════════════════════════════════════════════════════ */

:root {
  --ph-green:       #026902;
  --ph-green-light: #038a03;
  --ph-accent:      #f5a623;
  --ph-text:        rgba(255,255,255,.88);
  --ph-muted:       rgba(255,255,255,.5);
  --ph-border:      rgba(255,255,255,.09);
  --ph-card-bg:     rgba(10,24,10,.72);
  --ph-radius:      12px;

  --ph-pub:    #2e7d32;
  --ph-paper:  #1565c0;
  --ph-art:    #e65100;
  --ph-note:   #6a1b9a;
}

/* ── PAGE BASE ───────────────────────────────────────────── */
.ph-page {
  min-height: 100vh;
  color: var(--ph-text);
  overflow-x: hidden;
  background:
    linear-gradient(rgba(4,12,4,.90), rgba(4,12,4,.90)),
    url('../img/hero.png') center / cover fixed;
}

/* ══════════════════════════════════════════════════════════
   HEADER
══════════════════════════════════════════════════════════ */
.ph-header {
  padding: 60px 0 40px;
  text-align: center;
  border-bottom: 1px solid var(--ph-border);
}

.ph-header__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--ph-accent);
  margin-bottom: 14px;
}

.ph-header__title {
  font-weight: 800;
  font-size: clamp(2rem, 5vw, 3.4rem);
  color: #fff;
  line-height: 1.05;
  letter-spacing: -.5px;
  margin-bottom: 12px;
}

.ph-header__sub {
  font-size: 15px;
  color: var(--ph-muted);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.75;
}

/* ══════════════════════════════════════════════════════════
   BODY LAYOUT — 20 / 80 split
══════════════════════════════════════════════════════════ */
.ph-body {
  padding: 36px 0 64px;
}

.ph-layout {
  display: flex;
  align-items: flex-start;
  gap: 28px;
}

/* ══════════════════════════════════════════════════════════
   SIDEBAR (20%)
══════════════════════════════════════════════════════════ */
.ph-sidebar {
  width: 20%;
  flex-shrink: 0;
}

.ph-sidebar__inner {
  background: rgba(0,0,0,.42);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid var(--ph-border);
  border-radius: var(--ph-radius);
  padding: 22px 20px 24px;
  position: sticky;
  top: 88px;
}

.ph-sidebar__heading {
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--ph-accent);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 7px;
}

/* Filter groups */
.ph-filter-group {
  margin-bottom: 22px;
}

.ph-filter-label {
  display: block;
  font-weight: 700;
  font-size: 11px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--ph-muted);
  margin-bottom: 10px;
}

/* Search */
.ph-search-wrap {
  position: relative;
}

.ph-search-icon {
  position: absolute;
  left: 11px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 13px;
  color: var(--ph-muted);
  pointer-events: none;
}

.ph-search-input {
  width: 100%;
  background: rgba(255,255,255,.07);
  border: 1px solid rgba(255,255,255,.12);
  color: #fff;
  border-radius: 8px;
  font-size: 13px;
  padding: 9px 12px 9px 32px;
  outline: none;
  transition: border-color .2s, background .2s;
}
.ph-search-input::placeholder { color: rgba(255,255,255,.3); }
.ph-search-input:focus {
  background: rgba(255,255,255,.1);
  border-color: rgba(2,105,2,.6);
  box-shadow: 0 0 0 3px rgba(2,105,2,.12);
}

/* Checkbox list */
.ph-check-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.ph-check {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--ph-text);
  cursor: pointer;
  user-select: none;
  transition: color .15s;
}
.ph-check:hover { color: #fff; }

.ph-check input[type="checkbox"] {
  width: 15px; height: 15px;
  accent-color: var(--ph-green);
  cursor: pointer;
  flex-shrink: 0;
}

.ph-check__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.ph-check__dot--pub   { background: var(--ph-pub); }
.ph-check__dot--paper { background: var(--ph-paper); }
.ph-check__dot--art   { background: var(--ph-art); }
.ph-check__dot--note  { background: var(--ph-note); }
.ph-check__dot--year  { background: rgba(255,255,255,.3); }

.ph-check__count {
  margin-left: auto;
  font-size: 11px;
  font-weight: 700;
  color: var(--ph-muted);
  background: rgba(255,255,255,.07);
  border-radius: 20px;
  padding: 1px 7px;
}

/* Reset button */
.ph-btn-reset {
  width: 100%;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.12);
  color: rgba(255,255,255,.65);
  border-radius: 8px;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  transition: background .2s, color .2s;
  margin-top: 4px;
}
.ph-btn-reset:hover {
  background: rgba(255,255,255,.12);
  color: #fff;
}

/* ══════════════════════════════════════════════════════════
   CONTENT AREA (80%)
══════════════════════════════════════════════════════════ */
.ph-content {
  flex: 1;
  min-width: 0;
}

.ph-result-bar {
  font-size: 13px;
  color: var(--ph-muted);
  margin-bottom: 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--ph-border);
}
.ph-result-bar strong { color: var(--ph-accent); }

/* ══════════════════════════════════════════════════════════
   DOCUMENT CARDS (horizontal)
══════════════════════════════════════════════════════════ */
.ph-card-col {
  transition: opacity .2s;
}

.ph-card {
  display: flex;
  align-items: center;
  gap: 18px;
  background: var(--ph-card-bg);
  border: 1px solid var(--ph-border);
  border-radius: var(--ph-radius);
  padding: 18px 20px;
  height: 100%;
  transition: border-color .25s, background .25s, transform .25s cubic-bezier(.34,1.56,.64,1), box-shadow .25s;
}
.ph-card:hover {
  border-color: rgba(2,105,2,.45);
  background: rgba(10,28,10,.85);
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,.45);
}

/* Category icon circle */
.ph-card__icon {
  width: 60px; height: 60px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 26px;
  flex-shrink: 0;
  transition: transform .2s;
}
.ph-card:hover .ph-card__icon { transform: scale(1.08); }

.ph-card__icon--pub {
  background: rgba(46,125,50,.25);
  border: 2px solid rgba(46,125,50,.45);
  color: #81c784;
}
.ph-card__icon--paper {
  background: rgba(21,101,192,.25);
  border: 2px solid rgba(21,101,192,.45);
  color: #64b5f6;
}
.ph-card__icon--art {
  background: rgba(230,81,0,.25);
  border: 2px solid rgba(230,81,0,.45);
  color: #ffb74d;
}
.ph-card__icon--note {
  background: rgba(106,27,154,.25);
  border: 2px solid rgba(106,27,154,.45);
  color: #ce93d8;
}

/* Card body */
.ph-card__body {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.ph-card__title {
  font-weight: 700;
  font-size: 14px;
  color: #fff;
  line-height: 1.4;
  margin: 0;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Category badges */
.ph-badge {
  display: inline-block;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1px;
  text-transform: uppercase;
  padding: 3px 9px;
  border-radius: 4px;
  color: #fff;
  width: fit-content;
}
.ph-badge--pub   { background: var(--ph-pub); }
.ph-badge--paper { background: var(--ph-paper); }
.ph-badge--art   { background: var(--ph-art); }
.ph-badge--note  { background: var(--ph-note); }

/* Footer row: author + view button */
.ph-card__foot {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-top: 4px;
}

.ph-card__author {
  font-size: 12px;
  color: var(--ph-muted);
  display: flex;
  align-items: center;
  gap: 5px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.ph-card__author i { color: #5ccc5c; font-size: 11px; flex-shrink: 0; }

.ph-card__btn {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  background: rgba(2,105,2,.2);
  border: 1px solid rgba(2,105,2,.4);
  color: #a8e6a8;
  text-decoration: none;
  font-size: 12px;
  font-weight: 700;
  padding: 6px 14px;
  border-radius: 6px;
  white-space: nowrap;
  flex-shrink: 0;
  transition: background .2s, color .2s, border-color .2s;
}
.ph-card__btn:hover {
  background: var(--ph-green);
  border-color: var(--ph-green);
  color: #fff;
}

/* No results */
.ph-no-results {
  display: none;
  text-align: center;
  padding: 60px 20px;
  color: var(--ph-muted);
  line-height: 1.8;
}
.ph-no-results i { font-size: 44px; display: block; margin-bottom: 12px; color: rgba(255,255,255,.12); }
.ph-no-results.is-visible { display: block; }

/* ══════════════════════════════════════════════════════════
   RESPONSIVE
══════════════════════════════════════════════════════════ */
@media (max-width: 991px) {
  .ph-layout {
    flex-direction: column;
  }
  .ph-sidebar {
    width: 100%;
  }
  .ph-sidebar__inner {
    position: static;
  }
}

@media (max-width: 575px) {
  .ph-header { padding: 44px 0 28px; }
  .ph-card { padding: 14px 15px; gap: 14px; }
  .ph-card__icon { width: 48px; height: 48px; font-size: 20px; }
}