/* ── PDF Manager Pro — Stylesheet ─────────────────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Sora:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap');

:root {
  --pm-bg:        #0f1117;
  --pm-surface:   #1a1d27;
  --pm-card:      #1e2130;
  --pm-border:    #2a2d3e;
  --pm-accent:    #6c63ff;
  --pm-accent2:   #00d4aa;
  --pm-danger:    #ff4757;
  --pm-text:      #e8eaf0;
  --pm-muted:     #7b7f9e;
  --pm-radius:    14px;
  --pm-shadow:    0 8px 32px rgba(0,0,0,.45);
}

/* ── Wrapper ─────────────────────────────────────────────── */
.pm-wrapper {
  font-family: 'Sora', sans-serif;
  background: var(--pm-bg);
  color: var(--pm-text);
  min-height: 60vh;
  padding: 32px;
  border-radius: 20px;
  box-shadow: var(--pm-shadow);
  position: relative;
}

/* ── Header ──────────────────────────────────────────────── */
.pm-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
  flex-wrap: wrap;
  gap: 16px;
}
.pm-header-left { display: flex; align-items: center; gap: 14px; }
.pm-logo {
  font-size: 2.2rem;
  background: linear-gradient(135deg,var(--pm-accent),var(--pm-accent2));
  border-radius: 12px;
  width: 54px; height: 54px;
  display: flex; align-items: center; justify-content: center;
}
.pm-title  { margin: 0; font-size: 1.6rem; font-weight: 700; letter-spacing: -.5px; }
.pm-subtitle { margin: 2px 0 0; font-size: .8rem; color: var(--pm-muted); }

/* ── Upload Button ───────────────────────────────────────── */
.pm-upload-btn {
  background: linear-gradient(135deg, var(--pm-accent), #9b59f5);
  color: #fff;
  border: none;
  padding: 12px 24px;
  border-radius: 40px;
  font-family: 'Sora', sans-serif;
  font-size: .9rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: transform .2s, box-shadow .2s;
  box-shadow: 0 4px 20px rgba(108,99,255,.4);
}
.pm-upload-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(108,99,255,.6);
}
.pm-upload-btn span { font-size: 1.3rem; line-height: 1; }

/* ── Stats bar ───────────────────────────────────────────── */
.pm-stats-bar {
  font-size: .82rem;
  color: var(--pm-muted);
  margin-bottom: 20px;
  padding-left: 4px;
}
.pm-stats-bar strong { color: var(--pm-accent2); }

/* ── Grid ────────────────────────────────────────────────── */
.pm-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 18px;
}

/* ── Card ────────────────────────────────────────────────── */
.pm-card {
  background: var(--pm-card);
  border: 1px solid var(--pm-border);
  border-radius: var(--pm-radius);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: transform .2s, border-color .2s, box-shadow .2s;
  animation: pmFadeIn .4s ease both;
}
.pm-card:hover {
  transform: translateY(-4px);
  border-color: var(--pm-accent);
  box-shadow: 0 12px 40px rgba(108,99,255,.2);
}
@keyframes pmFadeIn {
  from { opacity:0; transform: translateY(12px); }
  to   { opacity:1; transform: translateY(0); }
}
.pm-card-icon { font-size: 2rem; }
.pm-card-name {
  margin: 0;
  font-size: .95rem;
  font-weight: 600;
  word-break: break-all;
  line-height: 1.4;
}
.pm-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  font-size: .75rem;
  color: var(--pm-muted);
  font-family: 'JetBrains Mono', monospace;
}
.pm-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 4px;
}

/* ── Action Buttons ──────────────────────────────────────── */
.pm-btn {
  padding: 7px 14px;
  border-radius: 8px;
  font-size: .78rem;
  font-weight: 600;
  font-family: 'Sora', sans-serif;
  cursor: pointer;
  text-decoration: none;
  border: none;
  transition: opacity .2s, transform .15s;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}
.pm-btn:hover { opacity: .85; transform: scale(.97); }
.pm-btn-view     { background: rgba(108,99,255,.18); color: var(--pm-accent); }
.pm-btn-download { background: rgba(0,212,170,.15);  color: var(--pm-accent2); }
.pm-btn-delete   { background: rgba(255,71,87,.12);  color: var(--pm-danger); }

/* ── Empty state ─────────────────────────────────────────── */
.pm-empty {
  grid-column: 1/-1;
  text-align: center;
  padding: 60px 20px;
  color: var(--pm-muted);
}
.pm-empty-icon { font-size: 3.5rem; margin-bottom: 12px; }
.pm-empty p    { font-size: 1.05rem; margin: 0 0 6px; }
.pm-empty small { font-size: .82rem; }

/* ── Login notice ────────────────────────────────────────── */
.pm-login-notice {
  text-align: center;
  padding: 48px;
  background: var(--pm-surface);
  border-radius: var(--pm-radius);
}
.pm-login-notice span { font-size: 3rem; display: block; margin-bottom: 12px; }
.pm-login-notice a    { color: var(--pm-accent); }

/* ── Modal overlay ───────────────────────────────────────── */
.pm-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.75);
  z-index: 9999;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(6px);
  animation: pmOverlayIn .2s ease;
}
.pm-modal-overlay.active { display: flex; }
@keyframes pmOverlayIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ── Modal box ───────────────────────────────────────────── */
.pm-modal {
  background: var(--pm-surface);
  border: 1px solid var(--pm-border);
  border-radius: 20px;
  padding: 36px 32px;
  width: 90%;
  max-width: 460px;
  position: relative;
  text-align: center;
  animation: pmModalIn .3s cubic-bezier(.34,1.56,.64,1);
}
@keyframes pmModalIn {
  from { opacity:0; transform: scale(.85) translateY(20px); }
  to   { opacity:1; transform: scale(1)  translateY(0); }
}
.pm-modal-close {
  position: absolute;
  top: 14px; right: 14px;
  background: var(--pm-border);
  border: none;
  color: var(--pm-muted);
  width: 32px; height: 32px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1rem;
  display: flex; align-items: center; justify-content: center;
  transition: background .2s;
}
.pm-modal-close:hover { background: var(--pm-danger); color: #fff; }
.pm-modal-icon { font-size: 2.5rem; margin-bottom: 10px; }
.pm-modal h3   { margin: 0 0 6px; font-size: 1.3rem; font-weight: 700; }
.pm-modal-sub  { color: var(--pm-muted); font-size: .84rem; margin: 0 0 24px; }

/* ── Drop zone ───────────────────────────────────────────── */
.pm-drop-zone {
  border: 2px dashed var(--pm-border);
  border-radius: 12px;
  padding: 28px 16px;
  cursor: pointer;
  transition: border-color .2s, background .2s;
  margin-bottom: 20px;
}
.pm-drop-zone:hover,
.pm-drop-zone.dragover {
  border-color: var(--pm-accent);
  background: rgba(108,99,255,.06);
}
.pm-drop-icon  { font-size: 2rem; margin-bottom: 8px; }
.pm-drop-zone p { margin: 0 0 10px; font-size: .85rem; color: var(--pm-muted); }
.pm-file-label {
  display: inline-block;
  background: var(--pm-accent);
  color: #fff;
  padding: 8px 20px;
  border-radius: 30px;
  font-size: .82rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s;
}
.pm-file-label:hover { opacity: .85; }
.pm-file-selected {
  margin: 10px 0 0;
  font-size: .8rem;
  color: var(--pm-accent2);
  font-family: 'JetBrains Mono', monospace;
  word-break: break-all;
}

/* ── Progress ────────────────────────────────────────────── */
.pm-progress-wrap { margin-bottom: 18px; }
.pm-progress-bar  {
  background: var(--pm-border);
  border-radius: 8px;
  height: 8px;
  overflow: hidden;
  margin-bottom: 8px;
}
.pm-progress-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--pm-accent), var(--pm-accent2));
  border-radius: 8px;
  transition: width .3s ease;
}
#pmProgressText { font-size: .8rem; color: var(--pm-muted); margin: 0; }

/* ── Submit button ───────────────────────────────────────── */
.pm-submit-btn {
  width: 100%;
  padding: 13px;
  background: linear-gradient(135deg, var(--pm-accent), #9b59f5);
  color: #fff;
  border: none;
  border-radius: 12px;
  font-family: 'Sora', sans-serif;
  font-size: .95rem;
  font-weight: 600;
  cursor: pointer;
  transition: opacity .2s, transform .2s;
}
.pm-submit-btn:disabled { opacity: .4; cursor: not-allowed; }
.pm-submit-btn:not(:disabled):hover { opacity: .9; transform: translateY(-1px); }

/* ── Messages ────────────────────────────────────────────── */
.pm-message {
  margin-top: 14px;
  font-size: .85rem;
  padding: 10px 14px;
  border-radius: 8px;
  display: none;
}
.pm-message.success { background: rgba(0,212,170,.12); color: var(--pm-accent2); display:block; }
.pm-message.error   { background: rgba(255,71,87,.12);  color: var(--pm-danger);  display:block; }

/* ── Responsive ──────────────────────────────────────────── */
@media (max-width: 600px) {
  .pm-wrapper { padding: 20px 16px; }
  .pm-grid    { grid-template-columns: 1fr; }
  .pm-modal   { padding: 28px 18px; }
}