/* ========== RESET & BASE ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{
  --bg-primary:#0f0f1a;--bg-secondary:#1a1a2e;--bg-card:#16213e;--bg-card-hover:#1e2a4a;
  --bg-input:#0d1b2a;--border:#2a3a5c;--border-focus:#0ea5e9;
  --text:#e2e8f0;--text-muted:#64748b;--text-heading:#f1f5f9;
  --accent:#0ea5e9;--accent-hover:#38bdf8;--violet:#8b5cf6;
  --success:#10b981;--warning:#f59e0b;--danger:#ef4444;
  --radius:10px;--radius-sm:6px;--radius-lg:16px;
  --shadow:0 4px 24px rgba(0,0,0,0.3);--transition:all .2s ease;
  --font:'Inter',system-ui,-apple-system,sans-serif;
  --navbar-h:60px;--panel-w:260px;--toolbar-h:48px;--statusbar-h:28px;
}
html{font-size:14px;scroll-behavior:smooth}
body{font-family:var(--font);background:var(--bg-primary);color:var(--text);min-height:100vh;line-height:1.6;overflow-x:hidden}
a{color:var(--accent);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--accent-hover)}
img{max-width:100%;display:block}
h1,h2,h3,h4{color:var(--text-heading);font-weight:600}

/* ========== SCROLLBAR ========== */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--bg-primary)}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--accent)}

/* ========== NAVBAR ========== */
.navbar{position:fixed;top:0;left:0;right:0;height:var(--navbar-h);background:rgba(22,33,62,.85);backdrop-filter:blur(16px);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;z-index:100}
.navbar-brand{display:flex;align-items:center;gap:.6rem}
.brand-icon{color:var(--accent);display:flex}
.brand-text{font-size:1.2rem;font-weight:700;color:var(--text-heading)}
.brand-accent{color:var(--accent)}
.navbar-menu{display:flex;gap:.25rem}
.nav-link{display:flex;align-items:center;gap:.4rem;padding:.5rem .9rem;border-radius:var(--radius-sm);color:var(--text-muted);font-weight:500;transition:var(--transition);font-size:.9rem}
.nav-link:hover,.nav-link.active{color:var(--text);background:rgba(14,165,233,.1)}
.nav-link.active{color:var(--accent)}
.navbar-user{display:flex;align-items:center;gap:.75rem}
.user-info{display:flex;align-items:center;gap:.5rem}
.user-avatar,.user-avatar-sm{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--violet));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.85rem;color:#fff;flex-shrink:0}
.user-avatar-sm{width:28px;height:28px;font-size:.75rem}
.user-details{display:flex;flex-direction:column;line-height:1.2}
.user-name{font-weight:600;font-size:.85rem}
.user-role{font-size:.7rem;color:var(--text-muted)}
.btn-logout{color:var(--text-muted);padding:.4rem;border-radius:var(--radius-sm);transition:var(--transition)}
.btn-logout:hover{color:var(--danger);background:rgba(239,68,68,.1)}
.btn-logout.btn-password:hover{color:var(--accent);background:rgba(14,165,233,.1)}

/* ========== MAIN CONTENT ========== */
.main-content{padding:2rem;max-width:1400px;margin:0 auto}
.main-content.with-nav{padding-top:calc(var(--navbar-h) + 2rem)}

/* ========== BUTTONS ========== */
.btn{display:inline-flex;align-items:center;gap:.4rem;padding:.55rem 1.1rem;border-radius:var(--radius-sm);border:1px solid transparent;font-family:var(--font);font-size:.85rem;font-weight:500;cursor:pointer;transition:var(--transition);text-decoration:none;white-space:nowrap}
.btn-primary{background:linear-gradient(135deg,var(--accent),#0284c7);color:#fff;border-color:transparent}
.btn-primary:hover{background:linear-gradient(135deg,var(--accent-hover),var(--accent));transform:translateY(-1px);box-shadow:0 4px 12px rgba(14,165,233,.3)}
.btn-outline{background:transparent;color:var(--text);border-color:var(--border)}
.btn-outline:hover{border-color:var(--accent);color:var(--accent)}
.btn-danger{background:rgba(239,68,68,.15);color:var(--danger);border-color:rgba(239,68,68,.3)}
.btn-danger:hover{background:var(--danger);color:#fff}
.btn-full{width:100%;justify-content:center}
.btn-sm{padding:.35rem .7rem;font-size:.8rem}
.btn-xs{padding:.2rem .5rem;font-size:.75rem}
.btn-group-sm{display:flex;gap:.25rem}

/* ========== FORMS ========== */
.form-group{margin-bottom:1rem}
.form-group label,.form-label-sm{display:block;font-size:.8rem;color:var(--text-muted);margin-bottom:.3rem;font-weight:500}
.form-input{width:100%;padding:.55rem .75rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);color:var(--text);font-family:var(--font);font-size:.85rem;transition:var(--transition);outline:none}
.form-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(14,165,233,.15)}
.form-input-sm{padding:.3rem .5rem;font-size:.8rem}
select.form-input{cursor:pointer}
textarea.form-input{resize:vertical;min-height:60px}
.color-input{width:36px;height:30px;border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;background:none;padding:1px}
.range-input{width:100%;accent-color:var(--accent);cursor:pointer}
.color-row{display:flex;align-items:center;gap:.5rem}
.checkbox-label{display:flex;align-items:center;gap:.3rem;font-size:.8rem;color:var(--text-muted);cursor:pointer}
.input-wrapper{position:relative;display:flex;align-items:center}
.input-wrapper svg{position:absolute;left:.75rem;color:var(--text-muted);pointer-events:none}
.input-wrapper input{padding-left:2.5rem}

/* ========== AUTH ========== */
.auth-container{min-height:100vh;display:flex;align-items:center;justify-content:center;position:relative;overflow:hidden}
.auth-card{width:100%;max-width:420px;background:rgba(22,33,62,.8);backdrop-filter:blur(20px);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2.5rem;position:relative;z-index:1;animation:fadeInUp .5s ease}
.auth-header{text-align:center;margin-bottom:2rem}
.auth-logo{margin-bottom:1rem}
.auth-header h1{font-size:1.6rem;margin-bottom:.3rem}
.auth-header p{color:var(--text-muted);font-size:.9rem}
.auth-form{margin-top:1.5rem}
.auth-form .form-group{margin-bottom:1.2rem}
.auth-footer{text-align:center;margin-top:1.5rem;font-size:.85rem;color:var(--text-muted)}
.auth-bg-pattern{position:fixed;inset:0;background:radial-gradient(ellipse at 30% 20%,rgba(14,165,233,.08),transparent 50%),radial-gradient(ellipse at 70% 80%,rgba(139,92,246,.08),transparent 50%);pointer-events:none}
@keyframes fadeInUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}

/* ========== CARDS ========== */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:1rem;margin-bottom:2rem}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem;display:flex;align-items:center;gap:1rem;transition:var(--transition)}
.stat-card:hover{border-color:var(--accent);transform:translateY(-2px)}
.stat-icon{width:48px;height:48px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.stat-icon-blue{background:rgba(14,165,233,.15);color:var(--accent)}
.stat-icon-violet{background:rgba(139,92,246,.15);color:var(--violet)}
.stat-icon-green{background:rgba(16,185,129,.15);color:var(--success)}
.stat-icon-amber{background:rgba(245,158,11,.15);color:var(--warning)}
.stat-value{font-size:1.8rem;font-weight:700;color:var(--text-heading);display:block;line-height:1}
.stat-label{font-size:.8rem;color:var(--text-muted)}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1rem}
.center-card,.project-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:1.2rem;transition:var(--transition);cursor:pointer;display:block}
.center-card:hover,.project-card:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:var(--shadow)}
.center-card-header{display:flex;align-items:center;gap:.75rem;margin-bottom:.75rem}
.center-icon{width:40px;height:40px;border-radius:var(--radius-sm);background:rgba(14,165,233,.1);display:flex;align-items:center;justify-content:center;color:var(--accent);flex-shrink:0}
.center-card h3,.project-card h3{font-size:1rem;margin-bottom:.2rem}
.center-stat{font-size:.8rem;color:var(--text-muted)}
.center-card-footer{margin-top:.75rem;display:flex;justify-content:flex-end}
.project-card-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:.5rem}
.project-center{font-size:.8rem;color:var(--text-muted)}
.project-card-footer{display:flex;justify-content:space-between;margin-top:.75rem;font-size:.75rem;color:var(--text-muted)}
.project-date{color:var(--text-muted)}

/* ========== BADGES ========== */
.badge{display:inline-block;padding:.15rem .5rem;border-radius:999px;font-size:.7rem;font-weight:600;background:rgba(14,165,233,.15);color:var(--accent)}
.badge-success{background:rgba(16,185,129,.15);color:var(--success)}
.badge-primary{background:rgba(14,165,233,.15);color:var(--accent)}
.badge-default{background:rgba(100,116,139,.15);color:var(--text-muted)}

/* ========== PAGE HEADER ========== */
.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:2rem;flex-wrap:wrap;gap:1rem}
.page-title{font-size:1.6rem;font-weight:700}
.page-subtitle{color:var(--text-muted);font-size:.9rem;margin-top:.2rem}
.header-actions{display:flex;gap:.5rem;align-items:center}
.section-block{margin-bottom:2rem}
.section-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}
.section-header h2{font-size:1.2rem}

/* ========== DATA LIST ========== */
.data-list{display:flex;flex-direction:column;gap:.5rem}
.data-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.75rem 1rem;display:flex;justify-content:space-between;align-items:center;gap:1rem;transition:var(--transition)}
.data-item:hover{border-color:var(--border-focus)}
.data-item-main{display:flex;align-items:center;gap:.75rem;flex:1;min-width:0}
.data-item-icon{color:var(--accent)}
.data-item-info{display:flex;align-items:center;gap:.5rem;flex-wrap:wrap}
.data-item-actions{display:flex;gap:.35rem;flex-shrink:0}

/* ========== SECTION LIST & MODAL ========== */
.section-list{display:flex;flex-direction:column;gap:.4rem}
.section-item{display:flex;justify-content:space-between;align-items:center;padding:.75rem 1rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);transition:var(--transition);color:var(--text)}
.section-item:hover{border-color:var(--accent);background:var(--bg-card)}
.section-item-info{display:flex;flex-direction:column;gap:.15rem}
.section-item-admin{display:flex;justify-content:space-between;align-items:center;padding:.6rem .8rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:.35rem}
.section-item-actions{display:flex;gap:.25rem}

/* ========== EMPTY STATE ========== */
.empty-state{text-align:center;padding:3rem 1rem;color:var(--text-muted);display:flex;flex-direction:column;align-items:center;gap:.75rem}

/* ========== FLASH & NOTIFICATION ========== */
.flash-message{position:fixed;top:calc(var(--navbar-h) + .5rem);left:50%;transform:translateX(-50%);padding:.6rem 1.5rem;border-radius:var(--radius-sm);z-index:200;display:flex;align-items:center;gap:.75rem;font-size:.85rem;animation:fadeInUp .3s ease;max-width:500px}
.flash-success{background:rgba(16,185,129,.2);border:1px solid var(--success);color:var(--success)}
.flash-error{background:rgba(239,68,68,.2);border:1px solid var(--danger);color:var(--danger)}
.flash-close{background:none;border:none;color:inherit;cursor:pointer;font-size:1.2rem;padding:0 .25rem}
.notification-container{position:fixed;top:calc(var(--navbar-h) + .5rem);right:1rem;z-index:300;display:flex;flex-direction:column;gap:.4rem}
.notification{padding:.5rem 1rem;border-radius:var(--radius-sm);font-size:.8rem;animation:fadeInUp .3s ease;display:flex;align-items:center;gap:.5rem;min-width:200px}
.notification-success{background:rgba(16,185,129,.2);border:1px solid var(--success);color:var(--success)}
.notification-error{background:rgba(239,68,68,.2);border:1px solid var(--danger);color:var(--danger)}
.notification-info{background:rgba(14,165,233,.2);border:1px solid var(--accent);color:var(--accent)}

/* ========== MODAL ========== */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:500;display:flex;align-items:center;justify-content:center;padding:1rem}
.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:560px;max-height:85vh;overflow-y:auto;animation:fadeInUp .25s ease}
.modal-header{display:flex;justify-content:space-between;align-items:center;padding:1.2rem 1.5rem;border-bottom:1px solid var(--border)}
.modal-title{font-size:1.1rem;font-weight:600}
.modal-close{background:none;border:none;color:var(--text-muted);font-size:1.5rem;cursor:pointer;padding:0 .25rem;transition:var(--transition)}
.modal-close:hover{color:var(--danger)}
.modal-body{padding:1.5rem}
.modal-form .form-group{margin-bottom:1rem}

/* ========== FILE UPLOAD ========== */
.file-upload-area{position:relative;border:2px dashed var(--border);border-radius:var(--radius);padding:1.5rem;text-align:center;transition:var(--transition);cursor:pointer}
.file-upload-area:hover{border-color:var(--accent)}
.file-input{position:absolute;inset:0;opacity:0;cursor:pointer}
.file-upload-label{display:flex;flex-direction:column;align-items:center;gap:.5rem;color:var(--text-muted)}
.file-preview{margin-top:.75rem;text-align:center}

/* ========== SYMBOL & SKETCH GRIDS ========== */
.symbol-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(140px,1fr));gap:.75rem}
.symbol-card{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.75rem;text-align:center;display:flex;flex-direction:column;align-items:center;gap:.5rem}
.symbol-img{width:60px;height:60px;object-fit:contain}
.symbol-info{font-size:.8rem}
.sketch-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:.75rem}
.sketch-item{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);overflow:hidden}
.sketch-thumb{width:100%;height:120px;object-fit:cover}
.sketch-info{padding:.5rem;display:flex;justify-content:space-between;align-items:center;font-size:.75rem}

/* ========== ADMIN ========== */
.admin-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:1.5rem}
.admin-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:2rem;text-align:center;transition:var(--transition);display:block;color:var(--text)}
.admin-card:hover{border-color:var(--accent);transform:translateY(-3px);box-shadow:var(--shadow)}
.admin-card-icon{width:64px;height:64px;border-radius:var(--radius);display:flex;align-items:center;justify-content:center;margin:0 auto 1rem;color:#fff}
.admin-card h3{margin-bottom:.4rem}
.admin-card p{color:var(--text-muted);font-size:.85rem}

/* ========== PROJECT PAGES ========== */
.pages-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:1rem}
.page-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);overflow:hidden;transition:var(--transition)}
.page-card:hover{border-color:var(--accent)}
.page-card-thumb{height:150px;overflow:hidden;background:var(--bg-input);display:flex;align-items:center;justify-content:center}
.page-card-thumb img,.page-thumb{width:100%;height:100%;object-fit:contain}
.page-thumb-empty{color:var(--text-muted);font-size:.85rem}
.page-card-info{padding:.75rem}
.page-card-info h4{font-size:.9rem;margin-bottom:.2rem}
.page-card-actions{padding:0 .75rem .75rem;display:flex;gap:.35rem}

/* ========== LOADING ========== */
.loading-spinner{width:32px;height:32px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite;margin:2rem auto}
@keyframes spin{to{transform:rotate(360deg)}}

/* ========== EDITOR LAYOUT ========== */
.editor-layout{position:fixed;inset:0;top:var(--navbar-h);display:flex;flex-direction:column;background:var(--bg-primary)}
.editor-toolbar{height:var(--toolbar-h);background:var(--bg-secondary);border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;padding:0 .75rem;flex-shrink:0}
.toolbar-left,.toolbar-right{display:flex;align-items:center;gap:.25rem}
.toolbar-center{font-size:.85rem;font-weight:500;color:var(--text-muted)}
.toolbar-title{max-width:300px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.toolbar-btn{background:none;border:1px solid transparent;color:var(--text-muted);padding:.35rem .45rem;border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition);display:flex;align-items:center;justify-content:center;font-size:.9rem}
.toolbar-btn:hover{color:var(--text);background:rgba(255,255,255,.06)}
.toolbar-divider{width:1px;height:24px;background:var(--border);margin:0 .4rem}
.zoom-controls{display:flex;align-items:center;gap:.15rem}
.zoom-label{font-size:.75rem;color:var(--text-muted);min-width:40px;text-align:center}

/* ========== EDITOR PANELS ========== */
.editor-main{flex:1;display:flex;overflow:hidden}
.editor-panel{width:var(--panel-w);background:var(--bg-secondary);border-right:1px solid var(--border);overflow-y:auto;flex-shrink:0}
.editor-panel-right{border-right:none;border-left:1px solid var(--border)}
.panel-section{padding:.75rem;border-bottom:1px solid var(--border)}
.panel-title{font-size:.75rem;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:.5rem;font-weight:600}

/* ========== TOOL GRID ========== */
.tool-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:.25rem}
.tool-btn{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.4rem;cursor:pointer;color:var(--text-muted);transition:var(--transition);display:flex;align-items:center;justify-content:center}
.tool-btn:hover{color:var(--text);border-color:var(--accent)}
.tool-btn.active{color:var(--accent);border-color:var(--accent);background:rgba(14,165,233,.1)}

/* ========== SYMBOL GALLERY (Editor) ========== */
.symbol-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:.3rem;max-height:200px;overflow-y:auto}
.symbol-item{background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);padding:.3rem;cursor:grab;transition:var(--transition);text-align:center}
.symbol-item:hover{border-color:var(--accent)}
.symbol-item img{width:36px;height:36px;object-fit:contain;margin:0 auto}
.symbol-item span{display:block;font-size:.6rem;color:var(--text-muted);margin-top:.15rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ========== LAYER LIST ========== */
.layer-actions{display:flex;gap:.25rem;margin-bottom:.5rem;flex-wrap:wrap}
.layer-list{max-height:200px;overflow-y:auto}
.layer-item{display:flex;align-items:center;justify-content:space-between;padding:.3rem .4rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);margin-bottom:.2rem;font-size:.75rem;cursor:pointer;transition:var(--transition)}
.layer-item:hover,.layer-item.active{border-color:var(--accent)}
.layer-item.locked{opacity:.5}
.layer-item-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:140px}

/* ========== SKETCH SELECTOR ========== */
.sketch-selector{display:flex;flex-direction:column;gap:.3rem;max-height:200px;overflow-y:auto}
.sketch-select-item{display:flex;align-items:center;gap:.4rem;padding:.3rem;background:var(--bg-input);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition)}
.sketch-select-item:hover{border-color:var(--accent)}
.sketch-select-item img{width:48px;height:32px;object-fit:cover;border-radius:3px}
.sketch-select-item span{font-size:.75rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ========== PROPERTIES PANEL ========== */
.properties-panel{font-size:.8rem}
.quick-colors{display:flex;flex-wrap:wrap;gap:.3rem}
.color-swatch{width:28px;height:28px;border-radius:var(--radius-sm);border:2px solid var(--border);cursor:pointer;transition:var(--transition)}
.color-swatch:hover{transform:scale(1.15);border-color:var(--text)}

/* ========== CANVAS AREA ========== */
.editor-canvas-area{flex:1;overflow:auto;background:#0a0a12;position:relative}
.canvas-wrapper{box-shadow:0 0 40px rgba(0,0,0,.5);position:relative;background:#1a1a2e; margin: 0 auto;}

/* ========== STATUSBAR ========== */
.editor-statusbar{height:var(--statusbar-h);background:var(--bg-secondary);border-top:1px solid var(--border);display:flex;align-items:center;padding:0 1rem;gap:1.5rem;font-size:.7rem;color:var(--text-muted);flex-shrink:0}

/* ========== HELPERS ========== */
.text-center{text-align:center}
.text-muted{color:var(--text-muted)}
.text-sm{font-size:.8rem}
.mb-3{margin-bottom:.75rem}
.mt-2{margin-top:.5rem}

/* ========== RESPONSIVE ========== */
@media(max-width:768px){
  .navbar-menu{display:none}
  .editor-panel{width:200px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid{grid-template-columns:1fr}
  .admin-grid{grid-template-columns:1fr}
}