:root {
  --primary: #6366f1;
  --primary-dark: #4f46e5;
  --secondary: #8b5cf6;
  --accent: #06b6d4;
  --bg: #0a0a1a;
  --bg2: #0f0f2a;
  --bg3: #1a1a3e;
  --surface: rgba(255,255,255,0.05);
  --surface2: rgba(255,255,255,0.08);
  --border: rgba(255,255,255,0.1);
  --text: #f1f5f9;
  --text2: #94a3b8;
  --text3: #64748b;
  --success: #10b981;
  --warning: #f59e0b;
  --danger: #ef4444;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 8px 32px rgba(99,102,241,0.15);
  --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
  --glass: rgba(255,255,255,0.05);
  --glass-border: rgba(255,255,255,0.12);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;overflow-x:hidden;line-height:1.6}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{cursor:pointer;border:none;outline:none;font-family:inherit}
input,textarea,select{font-family:inherit;outline:none}

/* Scrollbar */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:var(--primary);border-radius:3px}

/* Background */
.bg-gradient{
  background:radial-gradient(ellipse 80% 50% at 50% -20%,rgba(99,102,241,0.3),transparent),
             radial-gradient(ellipse 60% 40% at 80% 80%,rgba(139,92,246,0.2),transparent),
             var(--bg);
  min-height:100vh;
}

/* Glass Card */
.glass{
  background:var(--glass);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  border-radius:var(--radius);
}
.glass-strong{
  background:rgba(255,255,255,0.08);
  border:1px solid rgba(255,255,255,0.15);
  backdrop-filter:blur(30px);
  -webkit-backdrop-filter:blur(30px);
  border-radius:var(--radius);
}

/* Navbar */
.navbar{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(10,10,26,0.8);
  border-bottom:1px solid var(--border);
  backdrop-filter:blur(20px);
  -webkit-backdrop-filter:blur(20px);
  padding:0 1.25rem;
  height:64px;
  display:flex;align-items:center;justify-content:space-between;
}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.1rem}
.nav-logo-icon{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:flex;align-items:center;justify-content:center;font-size:1.2rem;
  box-shadow:0 0 20px rgba(99,102,241,0.4);
}
.nav-actions{display:flex;align-items:center;gap:10px}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:10px 20px;border-radius:var(--radius-sm);font-weight:600;font-size:0.9rem;
  transition:all 0.25s ease;cursor:pointer;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  color:#fff;box-shadow:0 4px 20px rgba(99,102,241,0.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(99,102,241,0.5)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:var(--surface);color:var(--text);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface2);border-color:var(--primary)}
.btn-sm{padding:7px 14px;font-size:0.82rem}
.btn-lg{padding:14px 28px;font-size:1rem;border-radius:14px}
.btn-icon{width:40px;height:40px;padding:0;border-radius:10px}

/* Hero */
.hero{padding:120px 1.25rem 60px;text-align:center;position:relative}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:100px;
  background:rgba(99,102,241,0.15);border:1px solid rgba(99,102,241,0.3);
  font-size:0.8rem;color:var(--primary);font-weight:500;margin-bottom:1.5rem;
}
.hero h1{font-size:clamp(2rem,6vw,3.5rem);font-weight:800;line-height:1.15;margin-bottom:1rem}
.gradient-text{background:linear-gradient(135deg,#fff 30%,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:1.1rem;color:var(--text2);max-width:560px;margin:0 auto 2.5rem}

/* Stats Strip */
.stats-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;max-width:600px;margin:0 auto 3rem}
.stat-item{text-align:center}
.stat-num{font-size:2rem;font-weight:800;background:linear-gradient(135deg,var(--primary),var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-label{font-size:0.78rem;color:var(--text3);text-transform:uppercase;letter-spacing:0.05em;margin-top:2px}

/* Section */
.section{padding:60px 1.25rem;max-width:1100px;margin:0 auto}
.section-header{text-align:center;margin-bottom:3rem}
.section-header h2{font-size:clamp(1.5rem,4vw,2.2rem);font-weight:700;margin-bottom:0.5rem}
.section-header p{color:var(--text2);font-size:0.95rem}

/* Project Cards */
.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:1.25rem}
.project-card{
  padding:1.5rem;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--glass-border);
  transition:all 0.3s ease;cursor:pointer;position:relative;overflow:hidden;
}
.project-card::before{
  content:'';position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(99,102,241,0.08),rgba(139,92,246,0.05));
  opacity:0;transition:opacity 0.3s;
}
.project-card:hover{transform:translateY(-4px);border-color:rgba(99,102,241,0.4);box-shadow:0 12px 40px rgba(99,102,241,0.2)}
.project-card:hover::before{opacity:1}
.project-icon{
  width:48px;height:48px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:flex;align-items:center;justify-content:center;
  font-size:1.4rem;margin-bottom:1rem;
  box-shadow:0 4px 16px rgba(99,102,241,0.3);
}
.project-name{font-size:1.05rem;font-weight:700;margin-bottom:0.25rem}
.project-url{font-size:0.8rem;color:var(--text3);margin-bottom:0.75rem}
.project-stats{display:flex;gap:1rem}
.project-stat{font-size:0.78rem;color:var(--text2)}
.project-stat strong{color:var(--text);font-weight:600}
.badge{
  display:inline-flex;align-items:center;padding:3px 10px;border-radius:100px;
  font-size:0.72rem;font-weight:600;
}
.badge-success{background:rgba(16,185,129,0.15);color:var(--success)}
.badge-warning{background:rgba(245,158,11,0.15);color:var(--warning)}
.badge-danger{background:rgba(239,68,68,0.15);color:var(--danger)}
.badge-info{background:rgba(99,102,241,0.15);color:var(--primary)}

/* Stars */
.stars{display:inline-flex;gap:3px}
.star{color:#374151;font-size:1.1rem;cursor:pointer;transition:color 0.15s,transform 0.15s}
.star.active,.star.hover{color:#f59e0b}
.star:hover{transform:scale(1.2)}
.stars-display{display:inline-flex;gap:2px}
.star-d{color:#f59e0b;font-size:0.9rem}
.star-d.empty{color:#374151}

/* Form */
.form-page{padding:100px 1.25rem 80px;max-width:680px;margin:0 auto}
.form-card{padding:2.5rem;border-radius:var(--radius)}
.form-title{font-size:1.8rem;font-weight:800;margin-bottom:0.5rem}
.form-subtitle{color:var(--text2);margin-bottom:2rem;font-size:0.92rem}
.form-group{margin-bottom:1.25rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
label{display:block;font-size:0.85rem;font-weight:600;color:var(--text2);margin-bottom:6px;letter-spacing:0.02em}
.required::after{content:' *';color:var(--danger)}
.form-input{
  width:100%;padding:12px 16px;
  background:rgba(255,255,255,0.06);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);font-size:0.92rem;
  transition:all 0.2s;
}
.form-input:focus{border-color:var(--primary);background:rgba(99,102,241,0.08);box-shadow:0 0 0 3px rgba(99,102,241,0.15)}
.form-input::placeholder{color:var(--text3)}
.form-input.error{border-color:var(--danger);background:rgba(239,68,68,0.05)}
select.form-input option{background:var(--bg2);color:var(--text)}
textarea.form-input{resize:vertical;min-height:120px}
.error-msg{font-size:0.78rem;color:var(--danger);margin-top:5px;display:none}
.error-msg.show{display:block}

/* Rating Group */
.rating-group{padding:1rem;background:rgba(255,255,255,0.03);border-radius:var(--radius-sm);border:1px solid var(--border)}
.rating-labels{display:flex;justify-content:space-between;margin-top:8px;font-size:0.72rem;color:var(--text3)}

/* Bottom Nav */
.bottom-nav{
  position:fixed;bottom:0;left:0;right:0;z-index:100;
  background:rgba(10,10,26,0.95);border-top:1px solid var(--border);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  display:flex;padding:8px 0 calc(8px + env(safe-area-inset-bottom));
}
.nav-item{
  flex:1;display:flex;flex-direction:column;align-items:center;gap:3px;
  padding:6px 4px;font-size:0.65rem;color:var(--text3);
  transition:color 0.2s;cursor:pointer;
}
.nav-item.active{color:var(--primary)}
.nav-item svg{width:22px;height:22px;stroke-width:2}
.nav-item span{font-weight:500}
.nav-fab{
  flex:0 0 56px;
  display:flex;flex-direction:column;align-items:center;gap:3px;
  position:relative;margin-top:-20px;
}
.fab-btn{
  width:56px;height:56px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 20px rgba(99,102,241,0.5);
  transition:transform 0.2s,box-shadow 0.2s;
}
.fab-btn:hover{transform:scale(1.08);box-shadow:0 8px 30px rgba(99,102,241,0.6)}
.fab-btn svg{width:24px;height:24px;stroke:#fff;stroke-width:2}

/* Admin Layout */
.admin-sidebar{
  width:260px;position:fixed;top:0;left:0;bottom:0;z-index:90;
  background:var(--bg2);border-right:1px solid var(--border);
  padding:24px 0;overflow-y:auto;
  transition:transform 0.3s ease;
}
.admin-sidebar.hidden{transform:translateX(-100%)}
.sidebar-logo{padding:0 20px 20px;border-bottom:1px solid var(--border);margin-bottom:12px}
.sidebar-logo .nav-logo{font-size:1rem}
.sidebar-nav{padding:0 12px}
.sidebar-link{
  display:flex;align-items:center;gap:12px;padding:10px 14px;
  border-radius:var(--radius-sm);color:var(--text2);font-size:0.9rem;font-weight:500;
  transition:all 0.2s;margin-bottom:2px;cursor:pointer;
}
.sidebar-link:hover{background:var(--surface);color:var(--text)}
.sidebar-link.active{background:rgba(99,102,241,0.15);color:var(--primary);border:1px solid rgba(99,102,241,0.2)}
.sidebar-link svg{width:18px;height:18px;stroke-width:2;flex-shrink:0}
.sidebar-section{padding:12px 14px 6px;font-size:0.7rem;color:var(--text3);text-transform:uppercase;letter-spacing:0.08em;font-weight:600}
.admin-main{margin-left:260px;min-height:100vh;padding:80px 1.5rem 2rem}
.admin-topbar{
  position:fixed;top:0;left:260px;right:0;z-index:80;height:64px;
  background:rgba(10,10,26,0.9);border-bottom:1px solid var(--border);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;
}
.page-title{font-size:1.2rem;font-weight:700}

/* Stat Cards */
.stats-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:1rem;margin-bottom:2rem}
.stat-card{
  padding:1.5rem;border-radius:var(--radius);
  background:var(--glass);border:1px solid var(--glass-border);
  position:relative;overflow:hidden;
}
.stat-card::after{
  content:'';position:absolute;top:-30px;right:-30px;
  width:100px;height:100px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  opacity:0.08;
}
.stat-card-icon{
  width:42px;height:42px;border-radius:10px;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:flex;align-items:center;justify-content:center;margin-bottom:1rem;
}
.stat-card-icon svg{width:20px;height:20px;stroke:#fff;stroke-width:2}
.stat-value{font-size:2rem;font-weight:800;line-height:1}
.stat-label2{font-size:0.8rem;color:var(--text3);margin-top:4px}
.stat-change{font-size:0.75rem;margin-top:8px}
.stat-change.up{color:var(--success)}
.stat-change.down{color:var(--danger)}

/* Table */
.table-container{border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border);overflow:hidden}
.table-header{display:flex;align-items:center;justify-content:space-between;padding:1.25rem 1.5rem;border-bottom:1px solid var(--border)}
.table-search{
  display:flex;align-items:center;gap:8px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:8px 14px;
}
.table-search input{background:none;border:none;color:var(--text);font-size:0.88rem;width:200px}
.table-filters{display:flex;gap:8px;flex-wrap:wrap}
.filter-select{
  padding:7px 12px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-sm);color:var(--text);font-size:0.82rem;cursor:pointer;
}
.filter-select option{background:var(--bg2)}
table{width:100%;border-collapse:collapse}
thead{background:rgba(255,255,255,0.03)}
th{padding:12px 16px;text-align:left;font-size:0.78rem;color:var(--text3);font-weight:600;text-transform:uppercase;letter-spacing:0.05em;border-bottom:1px solid var(--border)}
td{padding:14px 16px;font-size:0.88rem;border-bottom:1px solid rgba(255,255,255,0.04)}
tr:hover td{background:rgba(255,255,255,0.02)}
tr:last-child td{border-bottom:none}

/* Detail Page */
.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:1rem;margin-bottom:1.5rem}
.detail-field{padding:1rem;background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--border)}
.detail-label{font-size:0.75rem;color:var(--text3);text-transform:uppercase;letter-spacing:0.05em;margin-bottom:4px;font-weight:600}
.detail-value{font-size:0.92rem;color:var(--text);font-weight:500}

/* Toast */
.toast-container{position:fixed;bottom:80px;right:1rem;z-index:999;display:flex;flex-direction:column;gap:8px}
.toast{
  padding:12px 20px;border-radius:var(--radius-sm);font-size:0.88rem;font-weight:500;
  display:flex;align-items:center;gap:10px;
  animation:slideInRight 0.3s ease;box-shadow:var(--shadow-lg);min-width:250px;
}
.toast-success{background:rgba(16,185,129,0.9);color:#fff}
.toast-error{background:rgba(239,68,68,0.9);color:#fff}
.toast-info{background:rgba(99,102,241,0.9);color:#fff}
@keyframes slideInRight{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}
@keyframes fadeOut{to{opacity:0;transform:translateY(10px)}}

/* Loader */
.loader-overlay{
  position:fixed;inset:0;z-index:999;
  background:rgba(10,10,26,0.85);backdrop-filter:blur(8px);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
}
.spinner{
  width:48px;height:48px;border-radius:50%;
  border:3px solid var(--border);border-top-color:var(--primary);
  animation:spin 0.8s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg)}}

/* Success Screen */
.success-screen{
  min-height:100vh;display:flex;align-items:center;justify-content:center;
  padding:2rem;text-align:center;
}
.success-icon{
  width:80px;height:80px;border-radius:50%;margin:0 auto 1.5rem;
  background:linear-gradient(135deg,var(--success),#059669);
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 40px rgba(16,185,129,0.4);
  animation:popIn 0.5s ease;
}
.success-icon svg{width:40px;height:40px;stroke:#fff;stroke-width:2.5}
@keyframes popIn{from{transform:scale(0);opacity:0}to{transform:scale(1);opacity:1}}
.feedback-id{
  display:inline-block;padding:8px 20px;border-radius:100px;
  background:rgba(99,102,241,0.15);border:1px solid rgba(99,102,241,0.3);
  font-family:'Courier New',monospace;font-size:0.9rem;color:var(--primary);
  margin:1rem 0;letter-spacing:0.05em;
}

/* Install Banner */
.install-banner{
  position:fixed;bottom:80px;left:1rem;right:1rem;z-index:90;
  padding:14px 16px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(99,102,241,0.95),rgba(139,92,246,0.95));
  backdrop-filter:blur(20px);display:flex;align-items:center;gap:12px;
  box-shadow:0 8px 32px rgba(99,102,241,0.4);
  animation:slideUp 0.4s ease;
}
@keyframes slideUp{from{transform:translateY(100%);opacity:0}to{transform:translateY(0);opacity:1}}
.install-banner p{flex:1;font-size:0.85rem;font-weight:500}

/* Admin Login */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:2rem}
.login-card{width:100%;max-width:420px;padding:2.5rem}

/* Charts */
.charts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(340px,1fr));gap:1.5rem;margin-bottom:2rem}
.chart-card{padding:1.5rem;border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border)}
.chart-title{font-size:1rem;font-weight:700;margin-bottom:1.25rem;display:flex;align-items:center;gap:8px}
.chart-title svg{width:18px;height:18px;stroke:var(--primary);stroke-width:2}
canvas{max-height:250px}

/* Reply Box */
.reply-box{padding:1.5rem;border-radius:var(--radius);background:var(--glass);border:1px solid var(--glass-border);margin-top:1.5rem}
.reply-box h3{font-size:1rem;font-weight:700;margin-bottom:1rem;display:flex;align-items:center;gap:8px}

/* Animations */
.fade-in{animation:fadeIn 0.5s ease}
.slide-up{animation:slideUp2 0.4s ease}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes slideUp2{from{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}

/* Responsive */
@media(max-width:768px){
  .admin-sidebar{transform:translateX(-100%)}
  .admin-sidebar.open{transform:translateX(0)}
  .admin-main{margin-left:0}
  .admin-topbar{left:0}
  .form-row{grid-template-columns:1fr}
  .detail-grid{grid-template-columns:1fr}
  .charts-grid{grid-template-columns:1fr}
  .table-filters{display:none}
  .table-search input{width:140px}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .projects-grid{grid-template-columns:1fr}
  th:nth-child(n+4):not(:last-child){display:none}
  td:nth-child(n+4):not(:last-child){display:none}
}
@media(max-width:400px){.stats-grid{grid-template-columns:1fr}}

/* Skeleton Loader */
.skeleton{background:linear-gradient(90deg,var(--surface) 25%,var(--surface2) 50%,var(--surface) 75%);background-size:200% 100%;animation:shimmer 1.5s infinite;border-radius:8px}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}

/* Divider */
.divider{height:1px;background:var(--border);margin:1.5rem 0}

/* Avatar */
.avatar{
  width:36px;height:36px;border-radius:50%;
  background:linear-gradient(135deg,var(--primary),var(--secondary));
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.85rem;color:#fff;
  flex-shrink:0;
}

/* Chip */
.chip{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 12px;border-radius:100px;font-size:0.75rem;font-weight:600;
}
.chip-pending{background:rgba(245,158,11,0.15);color:var(--warning);border:1px solid rgba(245,158,11,0.2)}
.chip-replied{background:rgba(16,185,129,0.15);color:var(--success);border:1px solid rgba(16,185,129,0.2)}
.chip-read{background:rgba(99,102,241,0.15);color:var(--primary);border:1px solid rgba(99,102,241,0.2)}

/* Pagination */
.pagination{display:flex;align-items:center;justify-content:center;gap:6px;margin-top:1.5rem;padding:1rem}
.page-btn{
  width:34px;height:34px;display:flex;align-items:center;justify-content:center;
  border-radius:8px;background:var(--surface);border:1px solid var(--border);
  font-size:0.85rem;color:var(--text2);transition:all 0.2s;cursor:pointer;
}
.page-btn.active{background:var(--primary);border-color:var(--primary);color:#fff}
.page-btn:hover:not(.active){border-color:var(--primary);color:var(--primary)}

/* Empty State */
.empty-state{text-align:center;padding:4rem 2rem;color:var(--text3)}
.empty-state svg{width:64px;height:64px;stroke:var(--text3);stroke-width:1;margin:0 auto 1rem;opacity:0.4}
.empty-state h3{font-size:1.1rem;font-weight:600;color:var(--text2);margin-bottom:0.5rem}