/* ===== DESIGN TOKENS ===== */
:root {
  --bg-primary:    #0a0a14;
  --bg-secondary:  #111128;
  --bg-card:       rgba(22, 22, 52, 0.82);
  --bg-card-hover: rgba(34, 34, 72, 0.92);
  --accent:        #e8a830;
  --accent-dim:    rgba(232, 168, 48, 0.14);
  --accent-blue:   #5b7bff;
  --teal:          #4ecdc4;
  --red:           #e05050;
  --text:          #e0e0f0;
  --text2:         #8888a8;
  --text3:         #555570;
  --border:        rgba(255,255,255,0.06);
  --border-l:      rgba(255,255,255,0.12);
  --shadow:        0 8px 32px rgba(0,0,0,0.45);
  --r:             12px;
  --r-sm:          8px;
  --card-w:        210px;
}

/* ===== RESET ===== */
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html,body{height:100%;overflow:hidden}
body{
  font-family:'Inter',system-ui,-apple-system,sans-serif;
  background:var(--bg-primary);
  color:var(--text);
}

/* ===== HEADER ===== */
#app-header{
  display:flex;align-items:center;justify-content:space-between;
  height:56px;padding:0 20px;
  background:var(--bg-secondary);
  border-bottom:1px solid var(--border);
  position:relative;z-index:100;
}
.header-left{display:flex;align-items:center;gap:10px}
.logo{font-size:26px}
#app-header h1{
  font-size:17px;font-weight:600;letter-spacing:-.02em;
  background:linear-gradient(135deg,var(--accent),#f0c868);
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
}
.header-right{display:flex;align-items:center;gap:6px}
.hdr-sep{width:1px;height:24px;background:var(--border-l);margin:0 4px}

.hdr-btn{
  display:inline-flex;align-items:center;gap:5px;
  padding:7px 12px;
  background:rgba(255,255,255,0.05);border:1px solid var(--border);
  border-radius:var(--r-sm);color:var(--text);
  font:500 12.5px/1 'Inter',sans-serif;cursor:pointer;
  transition:all .2s;white-space:nowrap;
}
.hdr-btn.icon-only{padding:7px 8px}
.hdr-btn:hover{background:rgba(255,255,255,0.10);border-color:var(--border-l)}
.hdr-btn.primary{
  background:linear-gradient(135deg,var(--accent),#d09020);
  border-color:transparent;color:#0a0a14;font-weight:600;
}
.hdr-btn.primary:hover{filter:brightness(1.1);transform:translateY(-1px)}

/* Download button */
.hdr-btn.download-btn{
  background:linear-gradient(135deg,#34d399,#059669);
  border-color:transparent;color:#fff;font-weight:600;
  text-decoration:none;position:relative;overflow:hidden;
  box-shadow:0 0 14px rgba(52,211,153,0.25);
}
.hdr-btn.download-btn::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,0.15),transparent);
  transform:translateX(-100%);
  animation:btn-shimmer 3s ease-in-out infinite;
}
@keyframes btn-shimmer{0%,100%{transform:translateX(-100%)}50%{transform:translateX(100%)}}
.hdr-btn.download-btn:hover{
  filter:brightness(1.15);transform:translateY(-1px);
  box-shadow:0 0 22px rgba(52,211,153,0.35);
}
/* Hide download button in Electron */
body.is-electron .download-btn{display:none!important}

/* ===== VIEWPORT ===== */
#tree-viewport{
  position:relative;width:100%;height:calc(100vh - 56px);
  overflow:hidden;cursor:grab;
  background:
    radial-gradient(circle at 20% 50%,rgba(91,123,255,0.03) 0%,transparent 50%),
    radial-gradient(circle at 80% 20%,rgba(232,168,48,0.03) 0%,transparent 50%),
    var(--bg-primary);
}
#tree-viewport:active{cursor:grabbing}
#tree-viewport::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,0.018) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,0.018) 1px,transparent 1px);
  background-size:50px 50px;
}

#tree-canvas{position:absolute;transform-origin:0 0;will-change:transform}
#tree-lines{position:absolute;top:0;left:0;overflow:visible;pointer-events:none}
#tree-cards{position:absolute;top:0;left:0}

/* ===== PERSON CARD ===== */
.person-card{
  position:absolute;width:var(--card-w);
  background:var(--bg-card);border:1px solid var(--border);
  border-radius:var(--r);padding:14px 14px 12px;
  cursor:pointer;transition:all .25s ease;
  backdrop-filter:blur(10px);
}
.person-card:hover{
  background:var(--bg-card-hover);border-color:var(--accent);
  box-shadow:0 0 24px rgba(232,168,48,0.10);
  transform:translateY(-2px);
}
.person-card.deceased{opacity:.62}
.person-card.deceased .card-status{background:var(--text3);box-shadow:none}

.card-top{display:flex;align-items:center;gap:10px;margin-bottom:6px}
.card-avatar{
  width:34px;height:34px;border-radius:50%;flex-shrink:0;
  background:var(--accent-dim);color:var(--accent);
  display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.card-status{
  width:8px;height:8px;border-radius:50%;background:var(--teal);
  position:absolute;top:10px;right:10px;
  box-shadow:0 0 6px rgba(78,205,196,0.4);
}
.card-name{
  font-size:12.5px;font-weight:600;line-height:1.35;flex:1;
  overflow:hidden;display:-webkit-box;
  -webkit-line-clamp:2;-webkit-box-orient:vertical;
}
.card-dates{font-size:11px;color:var(--text2);margin-top:3px}
.card-info{
  font-size:11px;color:var(--text3);margin-top:3px;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ===== EMPTY STATE ===== */
#empty-state{
  position:absolute;inset:0;display:flex;flex-direction:column;
  align-items:center;justify-content:center;text-align:center;z-index:10;
}
.empty-icon{font-size:60px;margin-bottom:18px;animation:float 3s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-10px)}}
#empty-state h2{font-size:22px;font-weight:600;margin-bottom:6px}
#empty-state p{color:var(--text2);margin-bottom:22px}

/* ===== ZOOM BADGE ===== */
#zoom-indicator{
  position:absolute;bottom:14px;right:14px;
  padding:5px 12px;font-size:12px;color:var(--text2);
  background:rgba(22,22,52,0.75);backdrop-filter:blur(6px);
  border:1px solid var(--border);border-radius:20px;
  pointer-events:none;transition:opacity .3s;
}

/* ===== MODAL ===== */
#modal-overlay{
  position:fixed;inset:0;background:rgba(0,0,0,0.55);
  backdrop-filter:blur(4px);display:flex;align-items:center;
  justify-content:center;z-index:1000;animation:fadeIn .2s;
}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
#modal{
  background:var(--bg-secondary);border:1px solid var(--border-l);
  border-radius:16px;width:460px;max-width:94vw;max-height:90vh;
  overflow-y:auto;box-shadow:var(--shadow);animation:slideUp .25s ease;
}
@keyframes slideUp{from{transform:translateY(18px);opacity:0}to{transform:translateY(0);opacity:1}}

.modal-header{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 22px;border-bottom:1px solid var(--border);
}
.modal-header h2{font-size:17px;font-weight:600}
.modal-close{
  width:30px;height:30px;border:none;
  background:rgba(255,255,255,0.06);border-radius:8px;
  color:var(--text2);font-size:20px;cursor:pointer;
  display:flex;align-items:center;justify-content:center;transition:all .2s;
}
.modal-close:hover{background:rgba(255,255,255,0.12);color:var(--text)}

#member-form{padding:22px}
.form-group{margin-bottom:14px}
.form-group label{display:block;font-size:12.5px;font-weight:500;color:var(--text2);margin-bottom:5px}
.req{color:var(--red)}
.form-group input,.form-group select,.form-group textarea{
  width:100%;padding:9px 12px;
  background:rgba(255,255,255,0.04);border:1px solid var(--border);
  border-radius:var(--r-sm);color:var(--text);
  font:14px/1.4 'Inter',sans-serif;transition:border-color .2s;
}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{
  outline:none;border-color:var(--accent);
}
.form-group select{cursor:pointer}
.form-group select option{background:var(--bg-secondary);color:var(--text)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-actions{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:20px;padding-top:14px;border-top:1px solid var(--border);
}
.form-actions-right{display:flex;gap:8px}

.btn-primary,.btn-secondary,.btn-danger{
  padding:9px 18px;border:none;border-radius:var(--r-sm);
  font:500 13px/1 'Inter',sans-serif;cursor:pointer;transition:all .2s;
}
.btn-primary{background:linear-gradient(135deg,var(--accent),#d09020);color:#0a0a14}
.btn-primary:hover{filter:brightness(1.1)}
.btn-primary.large{padding:12px 28px;font-size:14px}
.btn-secondary{background:rgba(255,255,255,0.06);color:var(--text);border:1px solid var(--border)}
.btn-secondary:hover{background:rgba(255,255,255,0.10)}
.btn-danger{background:rgba(224,80,80,0.14);color:var(--red);border:1px solid rgba(224,80,80,0.28)}
.btn-danger:hover{background:rgba(224,80,80,0.24)}

.hidden{display:none!important}

/* ===== SVG LINES ===== */
.tree-line{stroke:rgba(232,168,48,0.22);stroke-width:2;fill:none}
.couple-line{stroke:rgba(232,168,48,0.35);stroke-width:2;stroke-dasharray:6 4;fill:none}

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar{width:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.10);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:rgba(255,255,255,0.18)}

/* ===== TOAST ===== */
.toast{
  position:fixed;bottom:24px;left:50%;transform:translateX(-50%);
  padding:10px 22px;border-radius:10px;font-size:13px;font-weight:500;
  background:rgba(22,22,52,0.92);border:1px solid var(--border-l);
  color:var(--text);backdrop-filter:blur(8px);
  box-shadow:var(--shadow);z-index:2000;
  animation:toastIn .3s ease,toastOut .3s ease 2.2s forwards;
}
@keyframes toastIn{from{opacity:0;transform:translateX(-50%) translateY(12px)}to{opacity:1;transform:translateX(-50%) translateY(0)}}
@keyframes toastOut{to{opacity:0;transform:translateX(-50%) translateY(12px)}}

/* ===== PHOTO DROP ZONE ===== */
.photo-drop-zone{
  position:relative;border:2px dashed var(--border-l);border-radius:var(--r);
  padding:24px;text-align:center;cursor:pointer;
  transition:all .25s ease;
  background:rgba(255,255,255,0.02);
  min-height:120px;display:flex;align-items:center;justify-content:center;
}
.photo-drop-zone:hover{
  border-color:var(--accent);background:var(--accent-dim);
}
.photo-drop-zone.drag-over{
  border-color:var(--accent);background:var(--accent-dim);
  box-shadow:0 0 20px rgba(232,168,48,0.15) inset;
}
.photo-drop-zone.uploading{
  pointer-events:none;opacity:.6;
}
.photo-drop-zone.uploading::after{
  content:'';position:absolute;top:50%;left:50%;
  width:28px;height:28px;margin:-14px 0 0 -14px;
  border:3px solid var(--border-l);border-top-color:var(--accent);
  border-radius:50%;animation:spin .6s linear infinite;z-index:5;
}
@keyframes spin{to{transform:rotate(360deg)}}

.photo-placeholder{
  display:flex;flex-direction:column;align-items:center;gap:8px;
  color:var(--text3);pointer-events:none;
}
.photo-placeholder svg{color:var(--text3);opacity:.6}
.photo-placeholder span{font-size:13px;font-weight:500}
.photo-hint{font-size:11px!important;font-weight:400!important;color:var(--text3);opacity:.7}

.photo-preview{
  position:relative;width:100%;display:flex;
  align-items:center;justify-content:center;
}
.photo-preview img{
  max-width:180px;max-height:180px;border-radius:var(--r-sm);
  object-fit:cover;border:2px solid var(--border-l);
  box-shadow:0 4px 16px rgba(0,0,0,0.3);
}
.photo-remove-btn{
  position:absolute;top:-8px;right:calc(50% - 98px);
  width:26px;height:26px;border-radius:50%;border:none;
  background:var(--red);color:#fff;font-size:16px;
  cursor:pointer;display:flex;align-items:center;justify-content:center;
  box-shadow:0 2px 8px rgba(224,80,80,0.4);
  transition:all .2s;z-index:2;
}
.photo-remove-btn:hover{transform:scale(1.15);filter:brightness(1.2)}

/* Status message below the drop zone */
.photo-status{
  margin-top:8px;font-size:12px;
  padding:8px 12px;border-radius:var(--r-sm);
  animation:fadeIn .3s ease;
}
.photo-status.success{
  color:var(--teal);background:rgba(78,205,196,0.08);
  border:1px solid rgba(78,205,196,0.2);
}
.photo-status.error{
  color:var(--red);background:rgba(224,80,80,0.08);
  border:1px solid rgba(224,80,80,0.2);
}

/* ===== CARD PHOTO ===== */
.card-avatar.has-photo{
  background:none;overflow:hidden;border:2px solid var(--accent-dim);
}
.card-avatar.has-photo img{
  width:100%;height:100%;object-fit:cover;border-radius:50%;
}
.person-card:hover .card-avatar.has-photo{
  border-color:var(--accent);
}