/* =========================================================
   Spark Dating — Frontend Styles
   ========================================================= */

:root {
  --sp-bg:       #0d0d12;
  --sp-surface:  #16161e;
  --sp-card:     #1e1e2a;
  --sp-border:   #2a2a38;
  --sp-coral:    #ff5e62;
  --sp-coral2:   #ff9966;
  --sp-mint:     #43e8a0;
  --sp-blue:     #5b8cff;
  --sp-text:     #f0eee8;
  --sp-muted:    #888898;
  --sp-radius:   20px;
}

#spark-app {
  display: flex;
  height: 80vh;
  min-height: 600px;
  max-height: 900px;
  background: var(--sp-bg);
  color: var(--sp-text);
  font-family: 'DM Sans', sans-serif;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: 0 30px 80px rgba(0,0,0,0.5);
  margin: 32px auto;
  max-width: 1100px;
}

/* ── Sidebar ── */
.spark-sidebar {
  width: 80px; background: var(--sp-surface);
  border-right: 1px solid var(--sp-border);
  display: flex; flex-direction: column; align-items: center;
  padding: 24px 0; gap: 8px;
}
.spark-logo {
  font-family: 'Playfair Display', serif;
  font-size: 24px; color: var(--sp-coral);
  margin-bottom: 16px;
}
.spark-nav-btn {
  width: 48px; height: 48px; border-radius: 14px; border: none;
  background: transparent; color: var(--sp-muted);
  font-size: 20px; cursor: pointer; position: relative;
  display: flex; align-items: center; justify-content: center;
  transition: all .2s;
}
.spark-nav-btn:hover { background: var(--sp-card); color: var(--sp-text); }
.spark-nav-btn.active { background: linear-gradient(135deg,var(--sp-coral),var(--sp-coral2)); color:#fff; }
.spark-badge {
  position: absolute; top:6px; right:6px; width:10px; height:10px;
  border-radius: 50%; background: var(--sp-coral);
  border: 2px solid var(--sp-surface); display:none;
}
.spark-badge.show { display:block; }
.spark-sidebar-spacer { flex:1; }
.spark-avatar-nav { width:40px; height:40px; border-radius:50%; overflow:hidden; border:2px solid var(--sp-coral); }
.spark-avatar-nav img { width:100%; height:100%; object-fit:cover; }

/* ── Views ── */
.spark-view { display:none; flex:1; flex-direction:column; overflow:hidden; }
.spark-view--active { display:flex; }

/* ── Swipe ── */
#spark-view-swipe {
  align-items: center; justify-content: center; position: relative;
  background: radial-gradient(ellipse at 30% 20%, #1a0a1e 0%, var(--sp-bg) 60%);
}
.spark-swipe-header {
  position:absolute; top:20px; left:50%; transform:translateX(-50%);
  font-size:13px; letter-spacing:3px; text-transform:uppercase; color:var(--sp-muted);
}
.spark-cards-stack { position:relative; width:340px; height:490px; }
.spark-profile-card {
  position:absolute; inset:0; border-radius:28px; overflow:hidden;
  cursor:grab; user-select:none;
  box-shadow: 0 30px 80px rgba(0,0,0,.6);
  will-change: transform;
}
.spark-profile-card:active { cursor:grabbing; }
.spark-profile-card img { width:100%; height:100%; object-fit:cover; pointer-events:none; }
.spark-card-overlay {
  position:absolute; inset:0;
  background:linear-gradient(to top,rgba(0,0,0,.85) 0%,transparent 50%);
  display:flex; flex-direction:column; justify-content:flex-end; padding:24px;
}
.spark-card-name { font-family:'Playfair Display',serif; font-size:30px; font-weight:700; }
.spark-card-sub { font-size:13px; color:rgba(255,255,255,.7); margin-top:4px; }
.spark-card-tags { display:flex; gap:6px; margin-top:10px; flex-wrap:wrap; }
.spark-tag {
  background:rgba(255,255,255,.12); border:1px solid rgba(255,255,255,.15);
  padding:3px 10px; border-radius:20px; font-size:11px; color:rgba(255,255,255,.8);
}
.spark-swipe-ind {
  position:absolute; top:28px; padding:8px 18px; border-radius:10px;
  font-weight:700; font-size:20px; letter-spacing:2px; opacity:0;
  pointer-events:none; border:3px solid;
}
.spark-swipe-ind.like { left:18px; color:var(--sp-mint); border-color:var(--sp-mint); transform:rotate(-8deg); }
.spark-swipe-ind.nope { right:18px; color:var(--sp-coral); border-color:var(--sp-coral); transform:rotate(8deg); }

.spark-action-btns { display:flex; gap:18px; margin-top:28px; align-items:center; }
.spark-action-btn {
  border:none; border-radius:50%; cursor:pointer;
  display:flex; align-items:center; justify-content:center;
  transition:all .2s; box-shadow:0 8px 24px rgba(0,0,0,.4);
}
.spark-skip   { width:58px;height:58px;background:var(--sp-surface);color:var(--sp-coral);font-size:20px;border:1px solid var(--sp-border); }
.spark-like   { width:70px;height:70px;background:linear-gradient(135deg,var(--sp-coral),var(--sp-coral2));color:#fff;font-size:26px; }
.spark-super  { width:50px;height:50px;background:var(--sp-surface);color:var(--sp-blue);font-size:18px;border:1px solid var(--sp-border); }
.spark-action-btn:hover { transform:scale(1.1); }

/* ── Likes grid ── */
#spark-view-likes { padding:28px; overflow-y:auto; }
.spark-view-title  { font-family:'Playfair Display',serif; font-size:28px; margin-bottom:4px; }
.spark-view-sub    { color:var(--sp-muted); font-size:13px; margin-bottom:20px; }
.spark-likes-grid  { display:grid; grid-template-columns:repeat(auto-fill,minmax(150px,1fr)); gap:14px; }
.spark-like-card   { border-radius:18px; overflow:hidden; aspect-ratio:.75; position:relative; cursor:pointer; transition:transform .2s; }
.spark-like-card:hover { transform:scale(1.03); }
.spark-like-card img { width:100%;height:100%;object-fit:cover; }
.spark-like-card .spark-blur { position:absolute;inset:0;backdrop-filter:blur(12px) brightness(.5);display:flex;align-items:center;justify-content:center;font-size:28px; }
.spark-like-card .spark-like-name { position:absolute;bottom:0;left:0;right:0;padding:10px;background:linear-gradient(to top,rgba(0,0,0,.8),transparent);font-weight:600;font-size:13px; }

/* ── Messages ── */
#spark-view-messages { flex-direction:row!important; }
.spark-msg-list { width:300px; border-right:1px solid var(--sp-border); display:flex; flex-direction:column; overflow:hidden; }
.spark-msg-list-header { padding:24px 20px 14px; border-bottom:1px solid var(--sp-border); }
.spark-msg-list-title  { font-family:'Playfair Display',serif; font-size:22px; }
.spark-msg-threads { flex:1; overflow-y:auto; padding:8px; }
.spark-thread {
  display:flex; gap:10px; padding:10px; border-radius:14px;
  cursor:pointer; transition:background .15s; align-items:center;
}
.spark-thread:hover,.spark-thread.active { background:var(--sp-card); }
.spark-thread-avatar { width:46px;height:46px;border-radius:50%;overflow:hidden;flex-shrink:0;position:relative; }
.spark-thread-avatar img { width:100%;height:100%;object-fit:cover; }
.spark-online-dot { position:absolute;bottom:2px;right:2px;width:10px;height:10px;border-radius:50%;background:var(--sp-mint);border:2px solid var(--sp-surface); }
.spark-thread-info { flex:1;min-width:0; }
.spark-thread-name { font-weight:600;font-size:13px;margin-bottom:2px; }
.spark-thread-preview { font-size:11px;color:var(--sp-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis; }
.spark-thread-time { font-size:11px;color:var(--sp-muted);flex-shrink:0; }

.spark-chat-area { flex:1;display:flex;flex-direction:column;overflow:hidden; }
.spark-chat-header { padding:18px 20px;border-bottom:1px solid var(--sp-border);display:flex;align-items:center;gap:12px; }
.spark-chat-avatar { width:40px;height:40px;border-radius:50%;overflow:hidden; }
.spark-chat-avatar img { width:100%;height:100%;object-fit:cover; }
.spark-chat-name   { font-weight:600;font-size:15px; }
.spark-chat-status { font-size:12px;color:var(--sp-mint); }
.spark-chat-hdr-actions { margin-left:auto;display:flex;gap:8px; }
.spark-chat-hdr-btn {
  background:var(--sp-card); border:none; color:var(--sp-muted);
  width:34px;height:34px;border-radius:10px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:15px;transition:all .2s;
}
.spark-chat-hdr-btn:hover { color:var(--sp-text); }

.spark-messages-feed { flex:1;overflow-y:auto;padding:18px;display:flex;flex-direction:column;gap:10px; }
.spark-msg-row { display:flex;gap:8px;max-width:70%; }
.spark-msg-row.mine { align-self:flex-end;flex-direction:row-reverse; }
.spark-msg-bubble { padding:10px 14px;border-radius:16px;font-size:13px;line-height:1.5; }
.spark-msg-row.theirs .spark-msg-bubble { background:var(--sp-card);border:1px solid var(--sp-border);border-bottom-left-radius:4px; }
.spark-msg-row.mine   .spark-msg-bubble { background:linear-gradient(135deg,var(--sp-coral),var(--sp-coral2));color:#fff;border-bottom-right-radius:4px; }
.spark-msg-av { width:28px;height:28px;border-radius:50%;overflow:hidden;flex-shrink:0;align-self:flex-end; }
.spark-msg-av img { width:100%;height:100%;object-fit:cover; }
.spark-msg-time { font-size:10px;color:var(--sp-muted);align-self:flex-end;padding:0 4px; }
.spark-date-sep { text-align:center;color:var(--sp-muted);font-size:11px;margin:6px 0; }

.spark-chat-input-area { padding:14px 18px;border-top:1px solid var(--sp-border);display:flex;gap:10px;align-items:flex-end; }
.spark-chat-input {
  flex:1;background:var(--sp-card);border:1px solid var(--sp-border);border-radius:14px;
  padding:10px 14px;color:var(--sp-text);font-size:13px;font-family:'DM Sans',sans-serif;
  resize:none;outline:none;min-height:42px;max-height:110px;line-height:1.4;transition:border-color .2s;
}
.spark-chat-input:focus { border-color:rgba(255,94,98,.4); }
.spark-send-btn {
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--sp-coral),var(--sp-coral2));
  border:none;cursor:pointer;color:#fff;font-size:17px;
  display:flex;align-items:center;justify-content:center;transition:all .2s;flex-shrink:0;
}
.spark-send-btn:hover { transform:scale(1.05); }

/* ── Match popup ── */
.spark-match-popup {
  display:none;position:fixed;inset:0;z-index:99999;
  align-items:center;justify-content:center;
  background:rgba(0,0,0,.8);backdrop-filter:blur(8px);
}
.spark-match-popup.show { display:flex; }
.spark-match-card {
  background:linear-gradient(135deg,#1a0a1e,#0d0d12);
  border:1px solid rgba(255,94,98,.3);border-radius:28px;
  padding:44px 36px;text-align:center;max-width:340px;width:90%;
  box-shadow:0 0 80px rgba(255,94,98,.2);
  animation: sparkPopIn .4s cubic-bezier(.34,1.56,.64,1);
}
.spark-match-title { font-family:'Playfair Display',serif;font-size:38px;color:var(--sp-coral);margin-bottom:6px; }
.spark-match-sub   { color:var(--sp-muted);margin-bottom:24px; }
.spark-match-faces { display:flex;align-items:center;justify-content:center;gap:-10px;margin-bottom:24px;position:relative; }
.spark-match-face  { width:72px;height:72px;border-radius:50%;border:3px solid var(--sp-coral);overflow:hidden;margin:0 -8px; }
.spark-match-face img { width:100%;height:100%;object-fit:cover; }
.spark-match-heart { position:absolute;font-size:22px;animation:sparkHeartBeat .8s infinite; }
.spark-match-actions { display:flex;gap:10px;flex-direction:column; }
.spark-match-btn { padding:12px 24px;border-radius:12px;border:none;cursor:pointer;font-size:14px;font-weight:600;font-family:'DM Sans',sans-serif;transition:all .2s; }
.spark-match-btn--primary  { background:linear-gradient(135deg,var(--sp-coral),var(--sp-coral2));color:#fff; }
.spark-match-btn--secondary{ background:var(--sp-surface);color:var(--sp-muted);border:1px solid var(--sp-border); }
.spark-match-btn:hover { transform:translateY(-2px); }

/* ── Misc ── */
.spark-loading { color:var(--sp-muted);font-size:14px;padding:20px;text-align:center; }
.spark-no-chat { flex:1;display:flex;align-items:center;justify-content:center;flex-direction:column;gap:10px;color:var(--sp-muted); }
.spark-no-chat-icon { font-size:44px;opacity:.3; }
.spark-login-wall { text-align:center;padding:40px;background:var(--sp-surface);border-radius:20px;margin:20px auto;max-width:400px; }
.spark-btn-primary { display:inline-block;margin-top:12px;padding:12px 28px;background:linear-gradient(135deg,var(--sp-coral),var(--sp-coral2));color:#fff;border-radius:12px;text-decoration:none;font-weight:600; }

/* ── Card exit animations ── */
.spark-exit-right { animation:sparkExitR .4s forwards ease-in; }
.spark-exit-left  { animation:sparkExitL .4s forwards ease-in; }

@keyframes sparkExitR { to { transform:translateX(120%) rotate(25deg);opacity:0; } }
@keyframes sparkExitL { to { transform:translateX(-120%) rotate(-25deg);opacity:0; } }
@keyframes sparkPopIn  { from{transform:scale(.6);opacity:0;} to{transform:scale(1);opacity:1;} }
@keyframes sparkHeartBeat { 0%,100%{transform:scale(1);} 50%{transform:scale(1.3);} }

/* ── Responsive ── */
@media(max-width:680px){
  #spark-app { height:100svh;border-radius:0;margin:0; }
  .spark-sidebar { width:60px; }
  .spark-cards-stack { width:92vw;height:65vw;max-height:480px; }
  .spark-msg-list { display:none; }
  .spark-msg-list.show { display:flex;position:absolute;inset:0;z-index:10;width:100%; }
}