/* ==========================================================================
   DASHBOARD V2 — Modern Ocean Blue Premium Redesign
   ========================================================================== */

:root {
  /* 8px Spacing System */
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 24px;
  --sp-6: 32px;
  --sp-7: 48px;
  --sp-8: 64px;
}

/* Base structural overrides */
body {
  font-family: var(--font-sans);
  background-color: var(--bg);
  color: var(--text);
  letter-spacing: -0.01em;
}

/* ── Sidebar adjustments ───────────────────────────────── */
.sidebar {
  background-color: var(--bg-soft);
  border-right: 1px solid var(--glass-border);
  box-shadow: 1px 0 24px rgba(2, 132, 199, .04);
  padding: var(--sp-4);
  backdrop-filter: none;
}

.brand { margin-bottom: var(--sp-6); }
.brand .logo {
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-size: 11px;
  box-shadow: 0 4px 14px var(--accent-glow);
}

.nav-item {
  padding: 8px 12px;
  border-radius: var(--radius-md);
  margin-bottom: 2px;
  font-size: 13px;
}
.nav-item:hover { background: var(--accent-soft); border-color: transparent; color: var(--accent); }
.nav-item.active {
  background: var(--accent-soft);
  color: var(--accent);
  border-color: transparent;
  font-weight: 600;
}
.nav-item .ic { font-size: 15px; width: 20px; }

.nav-label {
  font-size: 10px; letter-spacing: 0.08em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--text-faint);
  margin: var(--sp-5) 0 var(--sp-2) 4px;
}

/* ── Dashboard Header ──────────────────────────────────── */
.dash-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 0 var(--sp-5) 0;
  border-bottom: none;
  margin-bottom: var(--sp-6);
  position: relative;
  min-height: 52px;
}
.dash-title {
  display: flex; flex-direction: column; gap: 4px;
}
.dash-title h1 {
  margin: 0; font-size: 26px; font-weight: 800; letter-spacing: -0.03em;
  color: var(--text);
}
.dash-privacy {
  font-size: 11.5px; color: var(--text-faint);
  display: flex; align-items: center; gap: 6px;
}
.dash-privacy .status-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--ok); display: inline-block;
  box-shadow: 0 0 0 3px var(--ok-soft);
  animation: pulse 2s ease-in-out infinite;
}
.dash-privacy .icon { width: 12px; height: 12px; }

/* ── Frosted Glass Search Bar ─────────────────────────── */
.dash-search {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 460px;
}
.dash-search-input {
  width: 100%;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 99px;
  padding: 11px 44px 11px 40px;
  color: var(--text);
  font-size: 13.5px;
  font-weight: 500;
  transition: all 0.25s ease;
  box-shadow: 0 2px 8px rgba(2, 132, 199, .04), inset 0 1px 2px rgba(2, 132, 199, .03);
}
.dash-search-input::placeholder {
  color: var(--text-faint);
  font-weight: 400;
}
.dash-search-input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft), 0 4px 16px rgba(2, 132, 199, .08);
  outline: none;
  background: #ffffff;
}
.dash-search-icon {
  position: absolute; left: 14px; top: 50%; transform: translateY(-50%);
  color: var(--accent); width: 16px; height: 16px;
  opacity: .6;
}
.dash-search-kbd {
  position: absolute; right: 10px; top: 50%; transform: translateY(-50%);
  font-size: 10px; font-family: var(--font-mono);
  background: var(--accent-soft); border: 1px solid var(--glass-border);
  border-radius: 6px; padding: 2px 8px; color: var(--accent);
  font-weight: 600;
}

.dash-actions { display: flex; align-items: center; gap: var(--sp-3); }

/* ── Main Content Area ─────────────────────────────────── */
.content {
  padding: var(--sp-6) var(--sp-7) 120px var(--sp-7);
  max-width: 1400px; margin: 0 auto;
}

/* ── Sections with accent bar ─────────────────────────── */
.dash-section { margin-bottom: var(--sp-8); }
.dash-section-head {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: var(--sp-4);
}
.dash-section-title {
  font-size: 13px;
  font-weight: 700;
  color: var(--text-dim);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  display: flex;
  align-items: center;
  gap: 10px;
}
.dash-section-title::before {
  content: '';
  width: 3px;
  height: 16px;
  border-radius: 99px;
  background: var(--accent);
  display: inline-block;
  flex-shrink: 0;
}

/* ── Recent Files Row ──────────────────────────────────── */
.recent-row {
  display: flex; gap: var(--sp-3);
  overflow-x: auto; padding-bottom: 4px;
  scrollbar-width: none;
}
.recent-row::-webkit-scrollbar { display: none; }

.recent-file-card {
  display: flex; align-items: center; gap: var(--sp-3);
  background: var(--glass-strong); border: 1px solid var(--glass-border);
  border-radius: 14px; padding: 14px 16px;
  min-width: 240px; max-width: 280px;
  transition: all 0.2s var(--ease); cursor: pointer;
  text-decoration: none; color: var(--text);
  box-shadow: var(--shadow-sm);
}
.recent-file-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 8px 24px var(--accent-glow);
}
.recent-file-icon {
  font-size: 20px;
}
.recent-file-info {
  flex: 1; min-width: 0; display: flex; flex-direction: column; gap: 2px;
}
.recent-file-name {
  font-size: 13px; font-weight: 600;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.recent-file-meta {
  font-size: 11px; color: var(--text-faint);
}
.recent-empty {
  font-size: 13px; color: var(--text-faint); padding: var(--sp-4) var(--sp-3);
  background: var(--glass-strong);
  border: 1px dashed var(--glass-border-strong);
  border-radius: 14px;
  width: 100%;
}

/* ── Compact Tool Cards (Favorites / Recently Used) ──── */
.tool-strip {
  display: flex; gap: var(--sp-3);
  overflow-x: auto; padding-bottom: 4px;
  scrollbar-width: none;
}
.tool-strip::-webkit-scrollbar { display: none; }
.tool-strip-card {
  display: flex; align-items: center; gap: var(--sp-2);
  background: var(--glass-strong); border: 1px solid var(--glass-border);
  border-radius: 12px; padding: 10px 16px;
  white-space: nowrap; transition: all 0.2s var(--ease);
  text-decoration: none; color: var(--text);
  font-size: 13px; font-weight: 500;
  box-shadow: var(--shadow-sm);
}
.tool-strip-card:hover {
  border-color: var(--accent); background: var(--glass-strong);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px var(--accent-glow);
}
.tool-strip-icon { font-size: 16px; }

/* ── All Tools Grid (Large Tiles) ──────────────────────── */
.tool-grid-dense {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
  gap: 20px;
}
.tool-row {
  display: flex; flex-direction: column; align-items: flex-start;
  background: var(--glass-strong);
  border: 1px solid var(--glass-border);
  border-radius: 18px; padding: 24px;
  color: var(--text); text-decoration: none;
  transition: all 0.25s var(--ease);
  position: relative;
  min-height: 170px;
  box-shadow: var(--shadow-sm);
  animation: cardEnter .4s var(--ease) both;
}
.tool-row:hover {
  border-color: var(--accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 40px var(--accent-glow), 0 0 0 1px var(--accent-soft);
}

/* ── Colorful category-based icon chips ───────────────── */
.tool-row-icon {
  font-size: 22px; width: 48px; height: 48px;
  display: flex; align-items: center; justify-content: center;
  border-radius: 14px;
  margin-bottom: 16px;
  transition: transform .3s var(--spring), box-shadow .3s;
}
/* Default: Ocean Blue */
.tool-row-icon {
  background: linear-gradient(135deg, #E0F2FE, #BAE6FD);
  color: #0284C7;
  border: 1px solid rgba(2, 132, 199, .15);
}
/* ⚙️ settings/edit tools: Blue */
/* ✂️ split, merge, organize: Violet */
.tool-row:nth-child(4n+2) .tool-row-icon {
  background: linear-gradient(135deg, #EDE9FE, #DDD6FE);
  color: #7C3AED;
  border-color: rgba(124, 58, 237, .15);
}
/* Organize/page tools: Emerald */
.tool-row:nth-child(4n+3) .tool-row-icon {
  background: linear-gradient(135deg, #D1FAE5, #A7F3D0);
  color: #059669;
  border-color: rgba(5, 150, 105, .15);
}
/* Security/warn tools: Amber */
.tool-row:nth-child(4n+4) .tool-row-icon {
  background: linear-gradient(135deg, #FEF3C7, #FDE68A);
  color: #D97706;
  border-color: rgba(217, 119, 6, .15);
}
.tool-row:hover .tool-row-icon {
  transform: scale(1.12) rotate(-4deg);
  box-shadow: 0 6px 20px rgba(2, 132, 199, .12);
}

.tool-row-info {
  display: flex; flex-direction: column; gap: 6px; width: 100%;
}
.tool-row-name { font-size: 15px; font-weight: 650; color: var(--text); }
.tool-row-desc { font-size: 13px; color: var(--text-faint); line-height: 1.5; }
.tool-row-arrow { display: none; }
.tool-row .tool-fav {
  position: absolute; top: 20px; right: 20px;
  opacity: 0; transition: opacity 0.2s ease;
}
.tool-row:hover .tool-fav { opacity: 1; }

.tool-row.search-hidden { display: none !important; }
.tool-grid-empty { font-size: 13px; color: var(--text-faint); padding: var(--sp-4); text-align: center; }

/* Staggered card entrance animation */
@keyframes cardEnter {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}
.tool-grid-dense .tool-row:nth-child(1)  { animation-delay: .03s; }
.tool-grid-dense .tool-row:nth-child(2)  { animation-delay: .06s; }
.tool-grid-dense .tool-row:nth-child(3)  { animation-delay: .09s; }
.tool-grid-dense .tool-row:nth-child(4)  { animation-delay: .12s; }
.tool-grid-dense .tool-row:nth-child(5)  { animation-delay: .15s; }
.tool-grid-dense .tool-row:nth-child(6)  { animation-delay: .18s; }
.tool-grid-dense .tool-row:nth-child(7)  { animation-delay: .21s; }
.tool-grid-dense .tool-row:nth-child(8)  { animation-delay: .24s; }
.tool-grid-dense .tool-row:nth-child(9)  { animation-delay: .27s; }
.tool-grid-dense .tool-row:nth-child(10) { animation-delay: .30s; }

/* Hide topbar when using new dashboard header */
.dashboard-page .topbar { display: none; }
.dashboard-page .content { padding-top: var(--sp-6); }

/* ── Tab Navigation (Modern underline style) ──────────── */
.tab-nav {
  display: flex; 
  gap: var(--sp-2); 
  border-bottom: 2px solid var(--glass-border); 
  margin-bottom: var(--sp-5);
  overflow-x: auto;
  scrollbar-width: none;
  padding-bottom: 0;
}
.tab-nav::-webkit-scrollbar { display: none; }

.tab-btn {
  background: transparent;
  border: none;
  border-bottom: 2px solid transparent;
  padding: var(--sp-3) var(--sp-3);
  margin-bottom: -2px;
  color: var(--text-faint);
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.2s ease;
  white-space: nowrap;
  border-radius: 0;
}
.tab-btn:hover {
  color: var(--accent);
}
.tab-btn.active {
  color: var(--accent);
  border-bottom-color: var(--accent);
}

.tab-count {
  background: var(--glass);
  color: var(--text-faint);
  padding: 1px 7px;
  border-radius: 99px;
  font-size: 10.5px;
  font-weight: 700;
  border: 1px solid var(--glass-border);
}
.tab-btn.active .tab-count {
  background: var(--accent);
  color: var(--accent-ink);
  border-color: var(--accent);
}

/* ── Upload overlay ──────────────────────────────────────── */
.ov-back {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15, 23, 42, 0.6);
  backdrop-filter: blur(16px) saturate(150%);
  display: flex; align-items: center; justify-content: center;
  opacity: 0; pointer-events: none;
  transition: opacity 0.3s ease;
}
.ov-back.show { opacity: 1; pointer-events: auto; }

.ov {
  background: var(--glass-strong);
  border: 1px solid var(--glass-border-strong);
  border-radius: var(--radius-lg);
  padding: 32px;
  width: min(440px, 90vw);
  box-shadow: 0 24px 48px rgba(2, 132, 199, .15);
  transform: translateY(16px);
  transition: transform 0.4s var(--spring);
}
.ov-back.show .ov { transform: translateY(0); }

.ov .filecard {
  display: flex; align-items: center; gap: 16px;
  margin-bottom: 24px;
}
.ov .fi { font-size: 24px; }
.ov .fn { font-size: 14px; font-weight: 600; color: var(--text); }
.ov .fm { font-size: 12px; color: var(--text-faint); margin-top: 4px; }

.ov .title { font-size: 16px; font-weight: 600; margin-bottom: 8px; }
.ov .stats { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-faint); margin-bottom: 16px; }
.ov .stats b { color: var(--text); font-weight: 600; }
.ov .dot { opacity: 0.5; }

.ov .rail {
  height: 6px; background: var(--bg); border-radius: 4px; overflow: hidden; margin-bottom: 8px;
}
.ov .fill {
  height: 100%; width: 0%;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border-radius: 4px;
  transition: width 0.3s ease;
}

.ov .pctwrap { display: flex; align-items: baseline; justify-content: space-between; }
.ov .pct { font-size: 24px; font-weight: 700; color: var(--accent); }
.ov .pctl { font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-faint); }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 768px) {
  .content {
    padding: var(--sp-4) var(--sp-4) 100px var(--sp-4);
  }
  .tool-grid-dense {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }
  .tool-row {
    min-height: 140px;
    padding: 18px;
  }
  .tool-row-icon {
    width: 40px; height: 40px;
    font-size: 18px;
  }
  .dash-search {
    position: relative;
    left: auto; transform: none;
    max-width: 100%;
    margin-top: var(--sp-3);
  }
}

@media (max-width: 480px) {
  .tool-grid-dense {
    grid-template-columns: 1fr;
  }
}