/* ============================================================
   AssetSphere — Main Stylesheet
   Dark & Light mode via CSS custom properties
   ============================================================ */

/* ── VARIABLES ─────────────────────────────────────────────── */
:root[data-theme="dark"] {
  --bg-base:        #0a0c10;
  --bg-surface:     #111318;
  --bg-card:        #161a22;
  --bg-card-hover:  #1c2130;
  --bg-input:       #0f1117;
  --border:         #1e2535;
  --border-active:  #2d3a52;
  --text-primary:   #e8ecf4;
  --text-secondary: #8892aa;
  --text-muted:     #4a5568;
  --accent:         #4f8ef7;
  --accent-glow:    rgba(79,142,247,0.15);
  --accent-hover:   #6ba3ff;
  --success:        #34c97b;
  --success-bg:     rgba(52,201,123,0.1);
  --warning:        #f0b429;
  --warning-bg:     rgba(240,180,41,0.1);
  --danger:         #f25f5c;
  --danger-bg:      rgba(242,95,92,0.1);
  --purple:         #a78bfa;
  --purple-bg:      rgba(167,139,250,0.1);
  --shadow:         0 4px 24px rgba(0,0,0,0.4);
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.3);
}
:root[data-theme="light"] {
  --bg-base:        #f0f4fc;
  --bg-surface:     #ffffff;
  --bg-card:        #ffffff;
  --bg-card-hover:  #f8faff;
  --bg-input:       #f5f7fc;
  --border:         #dde3f0;
  --border-active:  #b8c5e0;
  --text-primary:   #0f1b35;
  --text-secondary: #4a5980;
  --text-muted:     #8899bb;
  --accent:         #2563eb;
  --accent-glow:    rgba(37,99,235,0.12);
  --accent-hover:   #1d4ed8;
  --success:        #16a34a;
  --success-bg:     rgba(22,163,74,0.1);
  --warning:        #d97706;
  --warning-bg:     rgba(217,119,6,0.1);
  --danger:         #dc2626;
  --danger-bg:      rgba(220,38,38,0.1);
  --purple:         #7c3aed;
  --purple-bg:      rgba(124,58,237,0.1);
  --shadow:         0 4px 24px rgba(0,0,0,0.08);
  --shadow-sm:      0 2px 8px rgba(0,0,0,0.06);
}

/* ── RESET ──────────────────────────────────────────────────── */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:15px;scroll-behavior:smooth}
body{font-family:'Outfit',sans-serif;background:var(--bg-base);color:var(--text-primary);min-height:100vh;transition:background .3s,color .3s}
a{text-decoration:none;color:inherit}
img{max-width:100%}
*{transition:background-color .2s,border-color .2s,color .2s}

/* ── LAYOUT ─────────────────────────────────────────────────── */
.app-layout{display:flex;min-height:100vh}
.sidebar{width:260px;min-height:100vh;background:var(--bg-surface);border-right:1px solid var(--border);display:flex;flex-direction:column;position:fixed;left:0;top:0;bottom:0;z-index:100;overflow-y:auto}
.main{margin-left:260px;flex:1;display:flex;flex-direction:column;min-height:100vh}

/* ── SIDEBAR ─────────────────────────────────────────────────── */
.sidebar-logo{padding:22px 20px 18px;border-bottom:1px solid var(--border)}
.logo-mark{display:flex;align-items:center;gap:10px}
.logo-icon{width:36px;height:36px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center;font-size:18px;box-shadow:0 0 20px var(--accent-glow);color:#fff;font-weight:900}
.logo-text{font-family:'DM Serif Display',serif;font-size:1.3rem;color:var(--text-primary)}
.logo-text span{color:var(--accent)}
.sidebar-nav{padding:16px 12px;flex:1}
.nav-label{font-size:.65rem;font-weight:600;letter-spacing:1.2px;text-transform:uppercase;color:var(--text-muted);padding:8px 8px 6px;margin-top:8px}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:8px;cursor:pointer;color:var(--text-secondary);font-size:1rem;font-weight:500;margin-bottom:2px;border:1px solid transparent}
.nav-item:hover{background:var(--bg-card);color:var(--text-primary)}
.nav-item.active{background:var(--accent-glow);color:var(--accent);border-color:rgba(79,142,247,.2)}
[data-theme="light"] .nav-item.active{border-color:rgba(37,99,235,.2)}
.nav-icon{font-size:1rem;width:20px;text-align:center}
.nav-badge{margin-left:auto;background:var(--danger);color:#fff;font-size:.65rem;font-weight:700;padding:2px 6px;border-radius:20px;min-width:20px;text-align:center}
.sidebar-footer{padding:14px 12px;border-top:1px solid var(--border)}
.user-card{display:flex;align-items:center;gap:10px;padding:10px;border-radius:8px;background:var(--bg-card)}
.user-avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--purple));display:flex;align-items:center;justify-content:center;font-size:.75rem;font-weight:700;color:#fff;flex-shrink:0}
.user-info{flex:1;min-width:0}
.user-name{font-size:.98rem;font-weight:600;color:var(--text-primary)}
.user-role{font-size:.87rem;color:var(--text-secondary);text-transform:capitalize}

/* ── TOPBAR ─────────────────────────────────────────────────── */
.topbar{height:60px;background:var(--bg-surface);border-bottom:1px solid var(--border);display:flex;align-items:center;gap:14px;padding:0 24px;position:sticky;top:0;z-index:50}
.sidebar-toggle{display:none;background:none;border:none;font-size:1.2rem;cursor:pointer;color:var(--text-secondary)}
.topbar-breadcrumb{font-size:1.1rem;color:var(--text-muted)}
.topbar-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.theme-toggle{width:44px;height:24px;background:var(--bg-card);border:1px solid var(--border);border-radius:20px;cursor:pointer;position:relative;padding:0;outline:none}
.theme-toggle::after{content:'';position:absolute;width:18px;height:18px;border-radius:50%;top:2px;left:2px;background:var(--accent);transition:transform .3s}
[data-theme="light"] .theme-toggle::after{transform:translateX(20px)}
.notif-btn{width:36px;height:36px;background:var(--bg-card);border:1px solid var(--border);border-radius:8px;display:flex;align-items:center;justify-content:center;cursor:pointer;position:relative;font-size:1rem;text-decoration:none}
.notif-dot{position:absolute;top:6px;right:6px;width:7px;height:7px;border-radius:50%;background:var(--danger);border:1.5px solid var(--bg-surface)}

/* ── PAGE CONTENT ───────────────────────────────────────────── */
.page-content{padding:26px;flex:1}
.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;flex-wrap:wrap;gap:12px}
.page-header-left h1{font-family:'Georgia',serif;font-size:1.8rem;color:var(--text-primary);margin-bottom:3px}
.page-header-left p{font-size:1.2rem;color:var(--text-muted)}

/* ── BUTTONS ────────────────────────────────────────────────── */
.btn{display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:8px;font-size:.99rem;font-weight:600;cursor:pointer;border:none;font-family:'Outfit',sans-serif;outline:none;transition:all .2s;text-decoration:none;white-space:nowrap}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 4px 12px var(--accent-glow)}
.btn-ghost{background:transparent;color:var(--text-secondary);border:1px solid var(--border)}
.btn-ghost:hover{background:var(--bg-card);color:var(--text-primary)}
.btn-danger{background:var(--danger-bg);color:var(--danger);border:1px solid var(--danger-bg)}
.btn-danger:hover{background:var(--danger);color:#fff}
.btn-success{background:var(--success-bg);color:var(--success);border:1px solid var(--success-bg)}
.btn-sm{padding:5px 12px;font-size:.98rem}
.btn-xs{padding:3px 8px;font-size:.98rem}

/* ── CARDS ──────────────────────────────────────────────────── */
.card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;overflow:hidden;margin-bottom:20px}
.card-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border)}
.card-title{font-size:1.2rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:8px}
.card-body{padding:20px}
.card-link{font-size:1rem;color:var(--accent);font-weight:500;cursor:pointer;text-decoration:none}
.card-link:hover{text-decoration:underline}

/* ── STATS GRID ─────────────────────────────────────────────── */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:22px}
.stat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:20px 22px;position:relative;overflow:hidden}
.stat-card::before{content:'';position:absolute;top:0;right:0;width:80px;height:80px;border-radius:50%;opacity:.07;transform:translate(20px,-20px)}
.stat-card.blue::before{background:var(--accent)}
.stat-card.green::before{background:var(--success)}
.stat-card.orange::before{background:var(--warning)}
.stat-card.red::before{background:var(--danger)}
.stat-label{font-size:.95rem;color:var(--text-secondary);font-weight:500;letter-spacing:.3px;text-transform:uppercase;margin-bottom:8px}
.stat-value{font-family:'sans-serif',serif;font-size:2rem;color:var(--text-primary);line-height:1;margin-bottom:6px}
.stat-trend{font-size:.98rem;display:flex;align-items:center;gap:4px}
.stat-trend.up{color:var(--success)}
.stat-trend.down{color:var(--danger)}
.stat-trend.warn{color:var(--warning)}
.stat-icon{position:absolute;top:18px;right:18px;font-size:1.5rem;opacity:.4}



/* ── GRID LAYOUTS ───────────────────────────────────────────── */
.grid-2{display:grid;grid-template-columns:1fr 320px;gap:20px;margin-bottom:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-bottom:20px}

/* ── TABLE ──────────────────────────────────────────────────── */
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse}
th{font-size:0.99rem;text-transform:none;letter-spacing:.8px;color:var(--text-secondary);font-weight:600;padding:10px 16px;text-align:left;border-bottom:1px solid var(--border);background:var(--bg-surface);white-space:nowrap}
td{padding:12px 16px;font-size:.98rem;color:var(--text-secondary);border-bottom:1px solid var(--border);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:var(--bg-card-hover)}
.td-primary{color:var(--text-primary);font-weight:500}
.td-mono{font-family:'DM Mono',monospace;font-size:.98rem}

/* ── BADGES ─────────────────────────────────────────────────── */
.badge{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:.95rem;font-weight:500;letter-spacing:.3px;white-space:nowrap}
.badge::before{content:'';width:5px;height:5px;border-radius:50%;background:currentColor;flex-shrink:0}
.badge-success{background:var(--success-bg);color:var(--success)}
.badge-warning{background:var(--warning-bg);color:var(--warning)}
.badge-danger{background:var(--danger-bg);color:var(--danger)}
.badge-info{background:var(--accent-glow);color:var(--accent)}
.badge-purple{background:var(--purple-bg);color:var(--purple)}
.badge-muted{background:var(--bg-input);color:var(--text-muted)}

/* ── TOOLBAR ────────────────────────────────────────────────── */
.toolbar{display:flex;align-items:center;gap:10px;padding:14px 20px;border-bottom:1px solid var(--border);flex-wrap:wrap}
.search-wrap{position:relative;flex:1;min-width:200px;max-width:300px}
.search-wrap input{width:100%;background:var(--bg-input);border:1px solid var(--border);border-radius:8px;padding:8px 12px 8px 34px;font-size:.98rem;color:var(--text-primary);font-family:'Outfit',sans-serif;outline:none}
.search-wrap input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
.search-icon{position:absolute;left:10px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:.9rem;pointer-events:none}

/* ── FORMS ──────────────────────────────────────────────────── */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-group{display:flex;flex-direction:column;gap:6px}
.form-group.full{grid-column:1/-1}
label{font-size: 15px;font-weight:600;color:var(--text-secondary);letter-spacing:.2px}
input,select,textarea{background:var(--bg-input);border:1px solid var(--border);border-radius:8px;padding:9px 12px;font-size:.99rem;color:var(--text-primary);font-family:'Outfit',sans-serif;outline:none;transition:border-color .2s,box-shadow .2s;width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-glow)}
textarea{resize:vertical;min-height:80px}
.form-hint{font-size:.72rem;color:var(--text-muted)}
.form-error{font-size:.72rem;color:var(--danger);margin-top:2px}
.form-group.has-error input,.form-group.has-error select,.form-group.has-error textarea{border-color:var(--danger);box-shadow:0 0 0 2px rgba(242,95,92,.15)}
select{cursor:pointer;appearance:auto}

/* ── FILTER SELECT ──────────────────────────────────────────── */
.filter-select{background:var(--bg-input);border:1px solid var(--border);border-radius:8px;padding:7px 12px;font-size:.98rem;color:var(--text-secondary);font-family:'Outfit',sans-serif;outline:none;cursor:pointer;width:auto}
.filter-select:focus{border-color:var(--accent)}

/* ── FLASH MESSAGES ─────────────────────────────────────────── */
.flash{padding:12px 16px;border-radius:8px;margin-bottom:16px;font-size:.85rem;font-weight:500}
.flash-success{background:var(--success-bg);color:var(--success);border:1px solid rgba(52,201,123,.25)}
.flash-error{background:var(--danger-bg);color:var(--danger);border:1px solid rgba(242,95,92,.25)}

/* ── PROGRESS BAR ───────────────────────────────────────────── */
.progress-wrap{background:var(--bg-input);border-radius:20px;height:6px;overflow:hidden}
.progress-bar{height:100%;border-radius:20px;transition:width .5s ease}

/* ── MODAL ──────────────────────────────────────────────────── */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);backdrop-filter:blur(4px);z-index:200;display:none;align-items:center;justify-content:center;padding:20px}
.modal-overlay.open{display:flex}
.modal{background:var(--bg-card);border:1px solid var(--border);border-radius:14px;width:100%;max-width:640px;max-height:88vh;overflow-y:auto;box-shadow:var(--shadow);animation:modalIn .25s ease}
@keyframes modalIn{from{opacity:0;transform:scale(.96) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}
.modal-header{display:flex;align-items:center;justify-content:space-between;padding:18px 22px;border-bottom:1px solid var(--border);position:sticky;top:0;background:var(--bg-card);z-index:1}
.modal-title{font-family:'Georgia',serif;font-size:1.4rem;color:var(--text-primary)}
.modal-close{width:30px;height:30px;border-radius:8px;background:var(--bg-input);border:1px solid var(--border);cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.9rem;color:var(--text-muted)}
.modal-close:hover{color:var(--text-primary)}
.modal-body{padding:22px}
.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:10px;padding:14px 22px;border-top:1px solid var(--border)}

/* ── TOAST ──────────────────────────────────────────────────── */
.toast-container{position:fixed;bottom:24px;right:24px;z-index:1000;display:flex;flex-direction:column;gap:8px}
.toast{background:var(--bg-card);border:1px solid var(--border);border-radius:10px;padding:12px 16px;min-width:280px;box-shadow:var(--shadow);display:flex;align-items:center;gap:10px;animation:toastIn .3s ease}
@keyframes toastIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}
.toast-text{font-size:.825rem;color:var(--text-primary);flex:1}
.toast-close{cursor:pointer;color:var(--text-muted);font-size:1rem;background:none;border:none}

/* ── AVATAR ─────────────────────────────────────────────────── */
.avatar-sm{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,var(--accent),var(--purple));display:inline-flex;align-items:center;justify-content:center;font-size:.65rem;font-weight:700;color:#fff;flex-shrink:0}

/* ── LOGIN PAGE ─────────────────────────────────────────────── */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg-base);background-image:radial-gradient(ellipse at 30% 0%,var(--accent-glow),transparent 50%),radial-gradient(ellipse at 70% 100%,rgba(167,139,250,.06),transparent 50%)}

/* Card */
.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:20px;padding:44px 40px 36px;width:100%;max-width:440px;box-shadow:var(--shadow);animation:loginFadeIn .5s ease;transition:border-color .3s,box-shadow .3s}
.login-card:hover{border-color:var(--border-active);box-shadow:var(--shadow),0 0 40px var(--accent-glow)}
@keyframes loginFadeIn{from{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}

/* Logo */
.login-logo{text-align:center;margin-bottom:30px}
.login-icon-wrap{margin:0 auto 16px;width:56px;height:56px;background:var(--accent);border-radius:14px;display:flex;align-items:center;justify-content:center;font-size:26px;color:#fff;box-shadow:0 0 24px var(--accent-glow);animation:iconPulse 3s ease-in-out infinite}
@keyframes iconPulse{0%,100%{box-shadow:0 0 24px var(--accent-glow)}50%{box-shadow:0 0 36px var(--accent-glow),0 0 60px var(--accent-glow)}}
.login-logo h1{font-family:'DM Serif Display',serif;font-size:1.9rem;color:var(--text-primary);margin-bottom:6px}
.login-tagline{font-size:.98rem;color:var(--text-muted);letter-spacing:.2px}

/* Fields */
.login-field{margin-bottom:18px}
.login-field label{font-size:.98rem;font-weight:600;color:var(--text-secondary);margin-bottom:6px;display:block}
.login-input-wrap{position:relative}
.login-input-icon{position:absolute;left:13px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:1rem;pointer-events:none;transition:color .2s}
.login-input-wrap input{padding:11px 13px 11px 40px;font-size:.99rem;width:100%;border-radius:10px}
.login-input-wrap input:focus ~ .login-input-icon,
.login-input-wrap input:focus + .login-input-icon{color:var(--accent)}

/* Password toggle */
.login-pw-toggle{position:absolute;right:10px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--text-muted);cursor:pointer;padding:4px;font-size:1.05rem;line-height:1;transition:color .2s}
.login-pw-toggle:hover{color:var(--accent)}

/* Sign In button */
.login-btn{width:100%;padding:13px 20px;font-size:1rem;font-weight:600;border-radius:10px;background:var(--accent);color:#fff;display:flex;align-items:center;justify-content:center;gap:8px;margin-top:24px;border:none;cursor:pointer;transition:all .25s;font-family:'Outfit',sans-serif;box-shadow:0 4px 16px var(--accent-glow)}
.login-btn:hover{background:var(--accent-hover);transform:translateY(-2px);box-shadow:0 6px 24px var(--accent-glow)}
.login-btn:active{transform:translateY(0)}

/* Footer */
.login-footer{text-align:center;margin-top:28px;padding-top:20px;border-top:1px solid var(--border);font-size:.99rem;color:var(--text-muted);letter-spacing:.3px}
.login-link{color:var(--accent);font-weight:600;text-decoration:none;transition:color .2s}
.login-link:hover{color:var(--accent-hover);text-decoration:underline}

/* Responsive */
@media(max-width:480px){.login-card{padding:32px 24px 28px;border-radius:16px}}

/* ── ALERT ITEMS ────────────────────────────────────────────── */
.alert-item{display:flex;align-items:flex-start;gap:12px;padding:11px 0;border-bottom:1px solid var(--border)}
.alert-item:last-child{border-bottom:none}
.alert-dot{width:8px;height:8px;border-radius:50%;flex-shrink:0;margin-top:5px}
.alert-title{font-size:.99rem;font-weight:500;color:var(--text-primary)}
.alert-desc{font-size:.9rem;color:var(--text-muted);margin-top:2px}
.alert-time{font-size:.9rem;color:var(--text-muted);margin-left:auto;white-space:nowrap}

/* ── MINI BAR CHART ─────────────────────────────────────────── */
.mini-chart{height:150px;display:flex;align-items:flex-end;gap:5px;padding:0 2px}
.mini-bar{flex:1;border-radius:4px 4px 0 0;background:var(--accent);opacity:.7;cursor:pointer;transition:opacity .2s,transform .2s;min-height:4px}
.mini-bar:hover{opacity:1}
.mini-bar-labels{display:flex;gap:5px;padding:5px 2px 0}
.mini-bar-label{flex:1;text-align:center;font-size:.82rem;color:var(--text-secondary)}

/* ── DONUT CHART ────────────────────────────────────────────── */
.donut-wrap{position:relative;width:120px;height:120px;margin:0 auto}
.donut-wrap svg{transform:rotate(-90deg)}
.donut-center{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center}
.donut-val{font-family:'DM Serif Display',serif;font-size:1.6rem;color:var(--text-primary)}
.donut-lbl{font-size:.7rem;color:var(--text-secondary)}
.legend-item{display:flex;align-items:center;gap:8px;font-size:.95rem;color:var(--text-secondary);margin-bottom:7px}
.legend-dot{width:8px;height:8px;border-radius:2px;flex-shrink:0}

/* ── SCROLLBAR ──────────────────────────────────────────────── */
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:var(--border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--border-active)}

/* ── PAGINATION ─────────────────────────────────────────────── */
.pagination{display:flex;gap:6px;padding:14px 20px;align-items:center;flex-wrap:wrap}
.pagination a,.pagination span{padding:6px 12px;border-radius:6px;font-size:.78rem;border:1px solid var(--border);background:var(--bg-input);color:var(--text-secondary);text-decoration:none}
.pagination a:hover{background:var(--bg-card);color:var(--text-primary)}
.pagination .current{background:var(--accent);color:#fff;border-color:var(--accent)}
.pagination-info{font-size:.75rem;color:var(--text-muted);margin-left:auto}

/* ── RESPONSIVE ─────────────────────────────────────────────── */
@media(max-width:1100px){
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .grid-2{grid-template-columns:1fr}
  .grid-3{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  .sidebar{transform:translateX(-260px);transition:transform .3s}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0}
  .sidebar-toggle{display:block}
  .stats-grid{grid-template-columns:1fr 1fr}
  .grid-3{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .page-content{padding:16px}
}
@media(max-width:480px){
  .stats-grid{grid-template-columns:1fr}
  .toolbar{flex-direction:column;align-items:stretch}
  .search-wrap{max-width:100%}
}