/* ===== Variables ===== */
:root {
  --bg: #faf9f6;
  --surface: #ffffff;
  --surface-hover: #f9fafb;
  --border: #e5e7eb;
  --border-light: #f3f4f6;

  --text: #111827;
  --text-2: #4b5563;
  --text-muted: #9ca3af;

  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #ede9fe;
  --primary-mid: #a78bfa;

  --danger: #ef4444;
  --danger-light: #fee2e2;

  /* Status */
  --s-contacted:    #3b82f6; --sb-contacted:    #eff6ff; --sbd-contacted:    #bfdbfe;
  --s-applied:      #8b5cf6; --sb-applied:      #f5f3ff; --sbd-applied:      #ddd6fe;
  --s-interviewing: #10b981; --sb-interviewing: #ecfdf5; --sbd-interviewing: #a7f3d0;
  --s-no_response:  #f59e0b; --sb-no_response:  #fffbeb; --sbd-no_response:  #fde68a;
  --s-rejected:     #ef4444; --sb-rejected:     #fef2f2; --sbd-rejected:     #fecaca;
  --s-accepted:     #059669; --sb-accepted:     #d1fae5; --sbd-accepted:     #6ee7b7;

  --shadow-xs: 0 1px 2px rgba(0,0,0,.05);
  --shadow-sm: 0 4px 6px -1px rgba(0,0,0,.07),0 2px 4px -1px rgba(0,0,0,.04);
  --shadow-md: 0 10px 15px -3px rgba(0,0,0,.08),0 4px 6px -2px rgba(0,0,0,.04);
  --shadow-lg: 0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04);

  --r-sm: 6px; --r: 10px; --r-lg: 14px; --r-full: 9999px;
  --ease: 0.17s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',sans-serif;background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
a:hover{text-decoration:underline}
button{cursor:pointer;border:none;background:none;font:inherit}
input,select,textarea{font:inherit}

.container{max-width:1420px;margin:0 auto;padding:0 24px}
.mt-8{margin-top:8px}

/* ===== Header ===== */
.header{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:100}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:60px;gap:16px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-icon{font-size:24px;line-height:1}
.brand-text h1{font-size:17px;font-weight:700;letter-spacing:-.02em}
.brand-text p{font-size:11px;color:var(--text-muted);margin-top:1px}

/* ===== Tab Nav ===== */
.tab-nav{display:flex;gap:2px;background:var(--border-light);border-radius:var(--r);padding:3px;flex-shrink:0}
.tab-btn{display:flex;align-items:center;gap:5px;padding:6px 14px;border-radius:var(--r-sm);font-size:13px;font-weight:500;color:var(--text-muted);transition:all var(--ease);white-space:nowrap}
.tab-btn.active{background:var(--surface);color:var(--text);box-shadow:var(--shadow-xs)}
.tab-btn:hover:not(.active){color:var(--text)}

/* ===== Buttons ===== */
.header-actions{display:flex;gap:8px;flex-shrink:0}
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-sm);font-size:13px;font-weight:500;transition:all var(--ease);line-height:1;white-space:nowrap}
.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}
.btn-ghost{background:transparent;color:var(--text-2);border:1px solid var(--border)}.btn-ghost:hover{background:var(--surface-hover);color:var(--text)}
.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:#dc2626}
.icon-btn{width:28px;height:28px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-sm);color:var(--text-muted);transition:all var(--ease)}
.icon-btn:hover{background:var(--surface-hover);color:var(--text)}
.icon-btn.del:hover{background:var(--danger-light);color:var(--danger)}

/* ===== Stats ===== */
.stats-section{padding:22px 0 0}
.stats-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:10px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:13px 15px;cursor:pointer;transition:all var(--ease);position:relative;overflow:hidden}
.stat-card::after{content:'';position:absolute;bottom:0;left:0;right:0;height:3px;background:var(--sc,var(--primary));transform:scaleX(0);transition:transform var(--ease);transform-origin:left}
.stat-card:hover{border-color:var(--sc,var(--primary));box-shadow:var(--shadow-xs)}
.stat-card:hover::after,.stat-card.active::after{transform:scaleX(1)}
.stat-card.active{border-color:var(--sc,var(--primary))}
.stat-count{font-size:28px;font-weight:700;letter-spacing:-.04em;color:var(--sc,var(--text));line-height:1}
.stat-label{font-size:11px;color:var(--text-muted);margin-top:4px;font-weight:500}

/* ===== Toolbar ===== */
.toolbar-section{padding:16px 0 0}
.toolbar{display:flex;align-items:center;gap:9px;flex-wrap:wrap}
.search-wrapper{position:relative}
.search-wrapper svg{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-muted);pointer-events:none}
.search-wrapper input{width:100%;padding:8px 12px 8px 32px;border:1px solid var(--border);border-radius:var(--r-sm);background:var(--surface);color:var(--text);outline:none;transition:border-color var(--ease)}
.search-wrapper input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.search-wrapper input::placeholder{color:var(--text-muted)}
.toolbar .search-wrapper{flex:0 1 260px}
.filter-tabs{display:flex;gap:5px;flex-wrap:wrap}
.filter-tab{padding:5px 12px;border-radius:var(--r-full);font-size:12px;font-weight:500;cursor:pointer;border:1px solid var(--border);background:var(--surface);color:var(--text-2);transition:all var(--ease)}
.filter-tab:hover{border-color:var(--primary);color:var(--primary)}
.filter-tab.active{background:var(--primary);border-color:var(--primary);color:#fff}
#sortSelect{padding:7px 10px;border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text);background:var(--surface);outline:none;cursor:pointer;font-size:12px;transition:border-color var(--ease)}
#sortSelect:focus{border-color:var(--primary)}

/* ===== Table ===== */
.main{padding:16px 0 48px}
.table-wrapper{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);overflow:hidden;box-shadow:var(--shadow-xs)}
.app-table{width:100%;border-collapse:collapse}
.app-table th{padding:10px 14px;text-align:left;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--bg);border-bottom:1px solid var(--border);white-space:nowrap}
.app-table td{padding:12px 14px;border-bottom:1px solid var(--border-light);vertical-align:middle}
.app-table tr:last-child td{border-bottom:none}
.app-table tbody tr{transition:background var(--ease)}
.app-table tbody tr:hover td{background:#fafafa}

/* PI Cell */
.pi-cell{display:flex;flex-direction:column;gap:2px}
.pi-name{font-weight:600;font-size:13px}
.pi-uni-row{display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.pi-university{font-size:12px;color:var(--text-2)}
.pi-flag{font-size:14px;line-height:1}
.qs-badge{display:inline-flex;align-items:center;padding:1px 6px;border-radius:var(--r-full);font-size:10px;font-weight:700;line-height:1.6}
.qs-badge.t10{background:#fef3c7;color:#b45309}
.qs-badge.t50{background:#dbeafe;color:#1d4ed8}
.qs-badge.t100{background:#ede9fe;color:#5b21b6}
.qs-badge.t200{background:var(--border-light);color:var(--text-2)}
.pi-meta{display:flex;gap:5px;flex-wrap:wrap;margin-top:2px}
.pi-area{font-size:11px;color:var(--primary);background:var(--primary-light);padding:1px 7px;border-radius:var(--r-full);font-weight:500}
.pi-title-tag{font-size:11px;color:var(--text-muted)}

/* Links Cell */
.links-cell{display:flex;flex-direction:column;gap:4px}
.tlink{display:inline-flex;align-items:center;gap:4px;font-size:12px;color:var(--primary);white-space:nowrap}
.tlink:hover{opacity:.75;text-decoration:none}

/* Metrics Cell */
.metrics-cell{display:flex;flex-direction:column;gap:4px}
.nbadge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:var(--r-full);font-size:11px;font-weight:600;background:var(--border-light);color:var(--text);white-space:nowrap}
.nbadge.hi{background:#dcfce7;color:#15803d}
.nbadge.mid{background:#fef9c3;color:#a16207}
.nbadge-label{font-size:10px;color:var(--text-muted);margin-left:2px;font-weight:400}

/* Date Cell */
.date-cell{display:flex;flex-direction:column;gap:4px}
.date-row{display:flex;align-items:center;gap:5px;font-size:12px}
.date-label{color:var(--text-muted);font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.04em;width:22px}
.date-val{color:var(--text-2)}
.dl-badge{font-size:10px;font-weight:600;padding:1px 6px;border-radius:var(--r-full)}
.dl-badge.hot{background:#fee2e2;color:#dc2626}
.dl-badge.soon{background:#fef9c3;color:#a16207}

/* Wait */
.wait-val{font-size:13px;font-weight:600}
.wait-val.warn{color:#d97706}
.wait-val.alert{color:var(--danger)}

/* Status badge */
.sbadge{display:inline-flex;align-items:center;gap:5px;padding:4px 10px;border-radius:var(--r-full);font-size:12px;font-weight:500;white-space:nowrap;cursor:pointer;border:1px solid transparent;transition:opacity var(--ease);user-select:none}
.sbadge:hover{opacity:.8}
.sbadge-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0}
.sbadge.contacted  {color:var(--s-contacted);  background:var(--sb-contacted);  border-color:var(--sbd-contacted)}
.sbadge.applied    {color:var(--s-applied);    background:var(--sb-applied);    border-color:var(--sbd-applied)}
.sbadge.interviewing{color:var(--s-interviewing);background:var(--sb-interviewing);border-color:var(--sbd-interviewing)}
.sbadge.no_response{color:var(--s-no_response);background:var(--sb-no_response);border-color:var(--sbd-no_response)}
.sbadge.rejected   {color:var(--s-rejected);   background:var(--sb-rejected);   border-color:var(--sbd-rejected)}
.sbadge.accepted   {color:var(--s-accepted);   background:var(--sb-accepted);   border-color:var(--sbd-accepted)}
.status-wrap{position:relative;display:inline-block}
.sdrop{position:absolute;top:calc(100% + 4px);left:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);box-shadow:var(--shadow-md);z-index:50;min-width:130px;overflow:hidden;display:none}
.sdrop.open{display:block;animation:fadeIn .12s ease}
.sopt{padding:8px 12px;font-size:12px;cursor:pointer;display:flex;align-items:center;gap:8px;transition:background var(--ease)}
.sopt:hover{background:var(--surface-hover)}
.sopt-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0}

/* Actions */
.actions-cell{display:flex;gap:2px}
.text-muted{color:var(--text-muted)}

/* Empty */
.empty-state{padding:60px 24px;display:flex;flex-direction:column;align-items:center;gap:12px;text-align:center}
.empty-icon{font-size:48px}
.empty-title{font-size:16px;font-weight:600}
.empty-sub{font-size:13px;color:var(--text-muted);max-width:320px;line-height:1.6}

/* ===== Modal ===== */
.overlay{position:fixed;inset:0;background:rgba(0,0,0,.45);backdrop-filter:blur(4px);display:none;align-items:center;justify-content:center;z-index:200;padding:20px}
.overlay.show{display:flex}
.modal{background:var(--surface);border-radius:var(--r-lg);width:100%;max-width:700px;max-height:92vh;overflow-y:auto;box-shadow:var(--shadow-lg);animation:slideUp .2s ease}
.modal-sm{max-width:380px}
@keyframes slideUp{from{opacity:0;transform:translateY(10px) scale(.98)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:22px 26px 0}
.modal-header h2{font-size:17px;font-weight:700}
.modal-close{width:30px;height:30px;display:flex;align-items:center;justify-content:center;border-radius:var(--r-sm);color:var(--text-muted);transition:all var(--ease)}
.modal-close:hover{background:var(--surface-hover);color:var(--text)}

/* Form */
.modal-form{padding:18px 26px 24px}
.form-section{margin-bottom:18px;padding-bottom:18px;border-bottom:1px solid var(--border-light)}
.form-section:last-of-type{border-bottom:none;margin-bottom:0;padding-bottom:0}
.form-section-title{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--text-muted);margin-bottom:12px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:12px}
.form-row:last-child{margin-bottom:0}
.full-col{grid-column:1/-1}
.form-group{display:flex;flex-direction:column;gap:5px;position:relative}
.form-group label{font-size:12px;font-weight:500;color:var(--text-2);display:flex;align-items:center;gap:4px;flex-wrap:wrap}
.req{color:var(--danger)}
.form-hint{font-size:10px;color:var(--text-muted);font-weight:400}
.ac-badge{font-size:10px;font-weight:500;color:var(--primary);background:var(--primary-light);padding:1px 6px;border-radius:4px}
.form-group input,.form-group select,.form-group textarea{padding:8px 10px;border:1px solid var(--border);border-radius:var(--r-sm);color:var(--text);background:var(--surface);outline:none;transition:border-color var(--ease),box-shadow var(--ease);width:100%}
.form-group input:focus,.form-group select:focus,.form-group textarea:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.form-group input::placeholder,.form-group textarea::placeholder{color:var(--text-muted)}
.form-group textarea{resize:vertical;line-height:1.5}
.flag-row{display:flex;align-items:center;gap:6px;border:1px solid var(--border);border-radius:var(--r-sm);padding:6px 10px;transition:border-color var(--ease)}
.flag-row:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light)}
.flag-preview{font-size:18px;line-height:1;min-width:22px}
.flag-row input{border:none;padding:0;background:transparent;outline:none}

/* Autocomplete */
.ac-wrap{position:relative}
.ac-drop{position:absolute;top:calc(100% + 2px);left:0;right:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-sm);box-shadow:var(--shadow-md);z-index:200;max-height:280px;overflow-y:auto;display:none}
.ac-drop.open{display:block;animation:fadeIn .12s ease}
.ac-item{padding:9px 12px;cursor:pointer;border-bottom:1px solid var(--border-light);transition:background var(--ease)}
.ac-item:last-child{border-bottom:none}
.ac-item:hover,.ac-item.focused{background:var(--surface-hover)}
.ac-main{font-size:13px;font-weight:500;display:flex;align-items:center;gap:6px}
.ac-sub{font-size:11px;color:var(--text-muted);margin-top:2px;display:flex;gap:10px;flex-wrap:wrap}
.ac-tag{padding:1px 5px;border-radius:3px;background:var(--border-light)}
.ac-empty{padding:14px 12px;font-size:12px;color:var(--text-muted);text-align:center}
.ac-loading-item{padding:12px;font-size:12px;color:var(--text-muted);text-align:center;display:flex;align-items:center;justify-content:center;gap:8px}

.modal-footer{display:flex;justify-content:flex-end;gap:8px;padding-top:14px;border-top:1px solid var(--border-light);margin-top:6px}
.delete-msg{padding:12px 26px 0;font-size:13px;color:var(--text-2);line-height:1.6}

/* ===== Toast ===== */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:300;display:flex;flex-direction:column;gap:8px;pointer-events:none}
.toast{background:#1f2937;color:#fff;padding:10px 14px;border-radius:var(--r-sm);font-size:13px;font-weight:500;box-shadow:var(--shadow-md);display:flex;align-items:center;gap:8px;max-width:300px;animation:toastIn .25s ease}
.toast.success{background:#16a34a}.toast.error{background:var(--danger)}
@keyframes toastIn{from{opacity:0;transform:translateX(16px)}to{opacity:1;transform:none}}
@keyframes toastOut{from{opacity:1;transform:none}to{opacity:0;transform:translateX(16px)}}

/* ===== Jobs Tab ===== */
.job-tab-content{padding:24px 0 48px}
.job-section-header{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:14px}
.job-section-title{font-size:15px;font-weight:700}
.job-meta-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.job-last-updated{font-size:11px;color:var(--text-muted)}
.job-boards{display:flex;flex-wrap:wrap;gap:8px}
.job-board-btn{display:inline-flex;align-items:center;gap:7px;padding:8px 14px;border:1px solid var(--border);border-radius:var(--r);background:var(--surface);font-size:13px;font-weight:500;color:var(--text);text-decoration:none;transition:all var(--ease)}
.job-board-btn:hover{border-color:var(--primary);color:var(--primary);box-shadow:var(--shadow-xs);text-decoration:none}
.job-board-emoji{font-size:15px}

.job-keyword-bar{margin-bottom:16px}
.job-source-filters{display:flex;gap:5px;flex-wrap:wrap}
.job-src-btn{padding:4px 11px;border-radius:var(--r-full);font-size:12px;font-weight:500;border:1px solid var(--border);background:var(--surface);color:var(--text-2);cursor:pointer;transition:all var(--ease)}
.job-src-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}

.job-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:14px}
.job-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r);padding:15px;transition:all var(--ease);display:flex;flex-direction:column;gap:8px}
.job-card:hover{border-color:var(--primary);box-shadow:var(--shadow-sm)}
.job-card-top{display:flex;justify-content:space-between;align-items:flex-start;gap:8px}
.job-title{font-size:13px;font-weight:600;line-height:1.4;color:var(--text);flex:1}
.job-src-tag{display:inline-flex;align-items:center;gap:3px;padding:2px 8px;border-radius:var(--r-full);font-size:10px;font-weight:600;background:var(--primary-light);color:var(--primary);white-space:nowrap;flex-shrink:0}
.job-org{font-size:12px;color:var(--text-2)}
.job-desc{font-size:12px;color:var(--text-muted);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.job-footer{display:flex;justify-content:space-between;align-items:center;padding-top:8px;border-top:1px solid var(--border-light)}
.job-date{font-size:11px;color:var(--text-muted)}
.job-link{font-size:12px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:3px}
.job-link:hover{text-decoration:none;opacity:.75}

.job-loading{grid-column:1/-1;padding:48px;text-align:center;color:var(--text-muted);display:flex;flex-direction:column;align-items:center;gap:14px;font-size:13px}
.job-error{grid-column:1/-1;padding:32px;text-align:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--r)}
.job-error-title{font-size:15px;font-weight:600;margin-bottom:6px}
.job-error-sub{font-size:13px;color:var(--text-muted)}
.job-empty{grid-column:1/-1;padding:32px;text-align:center;font-size:13px;color:var(--text-muted)}

/* Spinner */
.spinner{width:24px;height:24px;border:2px solid var(--border);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* Scrollbar */
::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}

/* ===== Responsive ===== */
@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:860px){
  .stats-grid{grid-template-columns:repeat(4,1fr)}
  .app-table th:nth-child(3),.app-table td:nth-child(3){display:none}
  .form-row{grid-template-columns:1fr}
}
@media(max-width:640px){
  .container{padding:0 14px}
  .brand-text p{display:none}
  .stats-grid{grid-template-columns:repeat(3,1fr)}
  .toolbar{flex-direction:column;align-items:stretch}
  .toolbar .search-wrapper{flex:none}
  .app-table th:nth-child(2),.app-table td:nth-child(2){display:none}
  .tab-btn span{display:none}
  .modal{border-radius:var(--r)}
  .job-grid{grid-template-columns:1fr}
}