@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');

:root {
  --bg: #0A0A0F;
  --bg2: #0D0D1A;
  --bg3: #111124;
  --surface: rgba(255,255,255,0.04);
  --surface-hover: rgba(255,255,255,0.08);
  --cyan: #00D4FF;
  --violet: #7B2FFF;
  --pink: #FF2D8B;
  --green: #00FF88;
  --grad: linear-gradient(135deg,#00D4FF 0%,#7B2FFF 100%);
  --grad2: linear-gradient(135deg,#7B2FFF 0%,#FF2D8B 100%);
  --grad3: linear-gradient(135deg,#00FF88 0%,#00D4FF 100%);
  --text: #FFFFFF;
  --text2: rgba(255,255,255,0.65);
  --text3: rgba(255,255,255,0.35);
  --border: rgba(255,255,255,0.08);
  --border-cyan: rgba(0,212,255,0.25);
  --font: 'Inter', sans-serif;
  --r-sm: 8px; --r-md: 12px; --r-lg: 16px; --r-xl: 24px; --r-full: 9999px;
  --shadow: 0 8px 32px rgba(0,0,0,0.4);
  --glow-cyan: 0 0 40px rgba(0,212,255,0.2);
  --glow-violet: 0 0 40px rgba(123,47,255,0.2);
  --t: all 0.3s ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:var(--font);color:var(--text);background:var(--bg);min-height:100vh;overflow-x:hidden;-webkit-font-smoothing:antialiased}
img,video{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font-family:inherit;font-size:inherit}
ul,ol{list-style:none}

::-webkit-scrollbar{width:5px;height:5px}
::-webkit-scrollbar-track{background:var(--bg2)}
::-webkit-scrollbar-thumb{background:rgba(0,212,255,0.3);border-radius:var(--r-full)}
::-webkit-scrollbar-thumb:hover{background:rgba(0,212,255,0.5)}
::selection{background:rgba(0,212,255,0.2);color:#fff}

/* TYPOGRAPHY */
.text-gradient{background:var(--grad);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.text-gradient2{background:var(--grad2);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}

/* LAYOUT */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-sm{padding:60px 0}
.grid{display:grid;gap:24px}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.flex{display:flex}
.flex-center{display:flex;align-items:center;justify-content:center}
.flex-between{display:flex;align-items:center;justify-content:space-between}
.flex-col{display:flex;flex-direction:column}
.gap-4{gap:4px}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.gap-24{gap:24px}.gap-32{gap:32px}

/* BUTTONS */
.btn{display:inline-flex;align-items:center;gap:8px;padding:12px 28px;border-radius:var(--r-full);font-weight:600;font-size:0.9rem;cursor:pointer;border:none;transition:all 0.3s cubic-bezier(0.16, 1, 0.3, 1);white-space:nowrap;letter-spacing:0.01em}
.btn:active{transform:scale(0.96) !important;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 0 20px rgba(0,212,255,0.25);position:relative;overflow:hidden;}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 15px 30px rgba(123,47,255,0.4), 0 0 20px rgba(0,212,255,0.3);}
.btn-secondary{background:rgba(255,255,255,0.03);color:var(--text);border:1px solid rgba(0,212,255,0.25)}
.btn-secondary:hover{background:rgba(0,212,255,0.08);border-color:var(--cyan);transform:translateY(-3px);box-shadow:0 10px 20px rgba(0,212,255,0.15);}
.btn-ghost{background:var(--surface);color:var(--text2);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--surface-hover);color:var(--text)}
.btn-danger{background:linear-gradient(135deg,#FF2D8B,#ff5555);color:#fff}
.btn-danger:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,45,139,0.3)}
.btn-sm{padding:8px 18px;font-size:0.8rem}
.btn-lg{padding:16px 40px;font-size:1rem}
.btn-icon{padding:10px;border-radius:var(--r-md)}

/* CARDS */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:32px;transition:var(--t);backdrop-filter:blur(10px)}
.card:hover{background:var(--surface-hover);border-color:var(--border-cyan);box-shadow:var(--shadow)}
.card-sm{padding:20px;border-radius:var(--r-lg)}
.card-glow{box-shadow:var(--glow-cyan)}

/* BADGES */
.badge{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-full);font-size:0.75rem;font-weight:600;letter-spacing:0.05em;text-transform:uppercase}
.badge-cyan{background:rgba(0,212,255,0.15);color:var(--cyan);border:1px solid rgba(0,212,255,0.25)}
.badge-violet{background:rgba(123,47,255,0.15);color:#a855f7;border:1px solid rgba(123,47,255,0.25)}
.badge-green{background:rgba(0,255,136,0.15);color:var(--green);border:1px solid rgba(0,255,136,0.25)}
.badge-pink{background:rgba(255,45,139,0.15);color:var(--pink);border:1px solid rgba(255,45,139,0.25)}
.badge-gray{background:rgba(255,255,255,0.08);color:var(--text2);border:1px solid var(--border)}

/* STATUS DOT */
.dot{width:8px;height:8px;border-radius:50%;display:inline-block}
.dot-green{background:var(--green);box-shadow:0 0 8px var(--green)}
.dot-cyan{background:var(--cyan);box-shadow:0 0 8px var(--cyan)}
.dot-red{background:#ff4444;box-shadow:0 0 8px #ff4444}
.dot-yellow{background:#ffd23f;box-shadow:0 0 8px #ffd23f}

/* FORMS */
.form-group{display:flex;flex-direction:column;gap:8px}
.form-label{font-size:0.85rem;font-weight:500;color:var(--text2)}
.form-input{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:12px 16px;color:var(--text);outline:none;transition:var(--t);width:100%}
.form-input:focus{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(0,212,255,0.1)}
.form-input::placeholder{color:var(--text3)}
.form-select{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);padding:12px 16px;color:var(--text);outline:none;transition:var(--t);width:100%;cursor:pointer;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300D4FF' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}
.form-select:focus{border-color:var(--cyan)}
.form-select option{background:#1a1a2e;color:#fff}
textarea.form-input{resize:vertical;min-height:100px}

/* NAVBAR */
.navbar{position:fixed;top:0;left:0;right:0;z-index:200;padding:0 24px;height:70px;display:flex;align-items:center;justify-content:space-between;transition:var(--t)}
.navbar.scrolled{background:rgba(10,10,15,0.9);backdrop-filter:blur(20px);border-bottom:1px solid var(--border)}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.3rem}
.nav-logo img{height:36px;width:auto}
.nav-links{display:flex;align-items:center;gap:8px}
.nav-link{padding:8px 16px;border-radius:var(--r-full);color:var(--text2);font-size:0.9rem;font-weight:500;transition:var(--t);cursor:pointer}
.nav-link:hover{color:var(--text);background:var(--surface)}
.nav-actions{display:flex;align-items:center;gap:12px}

/* LANG SWITCHER */
.lang-switcher{display:flex;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-full);overflow:hidden}
.lang-btn{padding:6px 14px;font-size:0.8rem;font-weight:600;cursor:pointer;transition:var(--t);border:none;background:transparent;color:var(--text2)}
.lang-btn.active{background:var(--grad);color:#fff}

/* SECTION HEADER */
.section-header{text-align:center;margin-bottom:64px}
.section-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(0,212,255,0.1);border:1px solid rgba(0,212,255,0.2);border-radius:var(--r-full);padding:6px 16px;font-size:0.8rem;font-weight:600;color:var(--cyan);text-transform:uppercase;letter-spacing:0.1em;margin-bottom:20px}
.section-title{font-size:clamp(2rem,4vw,3rem);font-weight:800;line-height:1.15;margin-bottom:16px}
.section-sub{font-size:1.1rem;color:var(--text2);max-width:600px;margin:0 auto;line-height:1.7}

/* DIVIDER */
.divider{height:1px;background:var(--border);margin:0}
.divider-grad{height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent)}

/* MODAL */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,0.7);backdrop-filter:blur(8px);z-index:400;display:flex;align-items:center;justify-content:center;padding:24px;opacity:0;visibility:hidden;transition:var(--t)}
.modal-overlay.open{opacity:1;visibility:visible}
.modal{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-xl);padding:40px;width:100%;max-width:560px;transform:translateY(20px) scale(0.97);transition:var(--t);max-height:90vh;overflow-y:auto}
.modal-overlay.open .modal{transform:translateY(0) scale(1)}
.modal-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:28px}
.modal-title{font-size:1.4rem;font-weight:700}
.modal-close{background:var(--surface);border:1px solid var(--border);color:var(--text2);width:36px;height:36px;border-radius:var(--r-md);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:var(--t);font-size:1.2rem}
.modal-close:hover{background:var(--surface-hover);color:var(--text)}
.modal-footer{display:flex;gap:12px;justify-content:flex-end;margin-top:28px}

/* TOAST */
.toast-container{position:fixed;bottom:28px;right:28px;z-index:500;display:flex;flex-direction:column;gap:12px}
.toast{background:var(--bg2);border:1px solid var(--border);border-radius:var(--r-lg);padding:14px 20px;display:flex;align-items:center;gap:12px;min-width:280px;box-shadow:var(--shadow);animation:slideToast 0.3s ease;font-size:0.9rem}
.toast-success{border-color:rgba(0,255,136,0.3);background:rgba(0,255,136,0.05)}
.toast-error{border-color:rgba(255,45,139,0.3);background:rgba(255,45,139,0.05)}
.toast-info{border-color:var(--border-cyan);background:rgba(0,212,255,0.05)}
@keyframes slideToast{from{transform:translateX(100%);opacity:0}to{transform:translateX(0);opacity:1}}

/* TABLE */
.table-wrap{overflow-x:auto;border-radius:var(--r-lg);border:1px solid var(--border)}
table{width:100%;border-collapse:collapse}
th{background:rgba(0,212,255,0.05);padding:14px 20px;text-align:left;font-size:0.78rem;font-weight:600;color:var(--text2);text-transform:uppercase;letter-spacing:0.08em;border-bottom:1px solid var(--border)}
td{padding:14px 20px;border-bottom:1px solid var(--border);font-size:0.9rem;color:var(--text2)}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--surface)}
tbody tr{transition:var(--t)}

/* SIDEBAR */
.sidebar{width:260px;min-height:100vh;background:var(--bg2);border-right:1px solid var(--border);display:flex;flex-direction:column;padding:24px 0;position:fixed;left:0;top:0;z-index:100}
.sidebar-logo{padding:0 24px 32px;border-bottom:1px solid var(--border);margin-bottom:24px;display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.2rem}
.sidebar-logo img{height:32px}
.sidebar-nav{flex:1;padding:0 12px;display:flex;flex-direction:column;gap:4px}
.sidebar-link{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:var(--r-md);color:var(--text2);font-size:0.9rem;font-weight:500;transition:var(--t);cursor:pointer;border:none;background:transparent;width:100%;text-align:left}
.sidebar-link:hover{background:var(--surface);color:var(--text)}
.sidebar-link.active{background:rgba(0,212,255,0.1);color:var(--cyan);border-left:3px solid var(--cyan)}
.sidebar-link svg,.sidebar-link .icon{width:18px;height:18px;flex-shrink:0}
.sidebar-section{padding:16px 24px 8px;font-size:0.7rem;font-weight:700;color:var(--text3);text-transform:uppercase;letter-spacing:0.12em}
.sidebar-footer{padding:16px 24px;border-top:1px solid var(--border);margin-top:auto}

/* MAIN CONTENT (with sidebar) */
.main-content{margin-left:260px;min-height:100vh;padding:32px}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:32px}
.page-title{font-size:1.8rem;font-weight:800}
.page-sub{color:var(--text2);font-size:0.95rem;margin-top:4px}

/* KPI CARDS */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:20px;margin-bottom:32px}
.kpi-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:28px;transition:var(--t);position:relative;overflow:hidden}
.kpi-card::before{content:'';position:absolute;inset:0;background:var(--grad);opacity:0;transition:var(--t)}
.kpi-card:hover{border-color:var(--border-cyan);box-shadow:var(--glow-cyan)}
.kpi-card:hover::before{opacity:0.03}
.kpi-icon{width:48px;height:48px;border-radius:var(--r-md);display:flex;align-items:center;justify-content:center;font-size:1.5rem;margin-bottom:16px}
.kpi-value{font-size:2.2rem;font-weight:800;line-height:1;margin-bottom:6px}
.kpi-label{font-size:0.85rem;color:var(--text2);font-weight:500}
.kpi-change{font-size:0.78rem;margin-top:8px;display:flex;align-items:center;gap:4px}
.kpi-change.up{color:var(--green)}
.kpi-change.down{color:var(--pink)}

/* CHART CONTAINERS */
.chart-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--r-xl);padding:28px}
.chart-card-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.chart-title{font-size:1rem;font-weight:600}

/* ANIMATIONS */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-12px)}}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}
@keyframes shimmer{0%{background-position:-200% 0}100%{background-position:200% 0}}
@keyframes gradientShift{0%{background-position:0% 50%}50%{background-position:100% 50%}100%{background-position:0% 50%}}
@keyframes spin{to{transform:rotate(360deg)}}
@keyframes glow{0%,100%{box-shadow:0 0 20px rgba(0,212,255,0.3)}50%{box-shadow:0 0 40px rgba(0,212,255,0.6),0 0 80px rgba(0,212,255,0.2)}}
@keyframes slideUp{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}
@keyframes counterUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}

.animate-fadeup{animation:fadeUp 0.7s ease forwards}
.animate-float{animation:float 4s ease-in-out infinite}
.animate-pulse{animation:pulse 2s ease-in-out infinite}
.animate-spin{animation:spin 1s linear infinite}

/* REVEAL ON SCROLL */
.reveal{opacity:0;transform:translateY(40px);transition:opacity 0.7s ease,transform 0.7s ease}
.reveal.visible{opacity:1;transform:translateY(0)}
.reveal-delay-1{transition-delay:0.1s}
.reveal-delay-2{transition-delay:0.2s}
.reveal-delay-3{transition-delay:0.3s}
.reveal-delay-4{transition-delay:0.4s}

/* LOADER */
.loader{width:40px;height:40px;border:3px solid var(--border);border-top-color:var(--cyan);border-radius:50%;animation:spin 0.8s linear infinite}

/* UTILITY */
.hidden{display:none!important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.rounded-full{border-radius:var(--r-full)}

/* RESPONSIVE */
@media(max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
}
@media(max-width:768px){
  .section{padding:64px 0}
  .grid-3{grid-template-columns:1fr}
  .grid-2{grid-template-columns:1fr}
  .nav-links{display:none}
  .section-title{font-size:2rem}
}
@media(max-width:480px){
  .container{padding:0 16px}
  .card{padding:20px}
  .kpi-grid{grid-template-columns:1fr 1fr}
}