/* =============================================
   HR TapIn — Design System
   Professional Enterprise Redesign
   ============================================= */

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

:root {
    /* Brand Colors */
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --primary-light: rgba(79, 70, 229, 0.08);
    --primary-glow: rgba(79, 70, 229, 0.18);
    
    /* Legacy variables remapped to new brand */
    --accent-primary: #4f46e5;
    --accent-primary-glow: rgba(79, 70, 229, 0.18);
    --accent-secondary: #0891b2;
    --accent-cyan: #0891b2;

    /* Surfaces */
    --bg-primary: #f4f6f9;
    --bg-secondary: #ffffff;
    --bg-tertiary: #f0f2f5;
    --bg-card: #ffffff;
    --bg-glass: rgba(255,255,255,0.85);
    --bg-hover: #f7f8fa;
    --bg-input: #f8f9fb;

    /* Text */
    --text-primary: #1e1e2e;
    --text-secondary: #6b7280;
    --text-muted: #9ca3af;
    --text-inverse: #ffffff;

    /* Borders */
    --border-color: #e5e7eb;
    --border-focus: rgba(79, 70, 229, 0.45);

    /* Health/Status */
    --health-green: #059669;
    --health-green-bg: rgba(5,150,105,0.08);
    --health-green-border: rgba(5,150,105,0.2);
    --health-amber: #d97706;
    --health-amber-bg: rgba(217,119,6,0.08);
    --health-amber-border: rgba(217,119,6,0.2);
    --health-red: #e11d48;
    --health-red-bg: rgba(225,29,72,0.06);
    --health-red-border: rgba(225,29,72,0.2);

    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-bg: #1e1e2e;
    --sidebar-text: #cbd5e1;
    --sidebar-text-muted: rgba(255,255,255,0.4);
    --sidebar-hover: rgba(255,255,255,0.06);
    --sidebar-active: rgba(79, 70, 229, 0.2);
    --sidebar-active-text: #ffffff;

    --header-height: 64px;
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.04), 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.04), 0 2px 12px rgba(0,0,0,0.06);
    --shadow-lg: 0 10px 25px rgba(0,0,0,0.06), 0 4px 10px rgba(0,0,0,0.04);
    --shadow-glow: 0 0 16px var(--primary-glow);
    
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 400ms ease;
}

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:14px;scroll-behavior:smooth}
body{font-family:'Inter',-apple-system,BlinkMacSystemFont,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;min-height:100vh;-webkit-font-smoothing:antialiased}
a{color:var(--accent-primary);text-decoration:none;transition:color var(--transition-fast)}
a:hover{color:var(--accent-secondary)}

/* Layout */
.app-layout{display:flex;min-height:100vh}
.sidebar{width:var(--sidebar-width);background:var(--sidebar-bg);border-right:1px solid rgba(255,255,255,0.08);position:fixed;top:0;left:0;bottom:0;z-index:100;display:flex;flex-direction:column;transition:transform var(--transition-base)}
.sidebar-brand{padding:14px 16px;border-bottom:1px solid rgba(255,255,255,0.08);background:linear-gradient(180deg, rgba(79, 70, 229, 0.1) 0%, transparent 100%);display:flex;align-items:center;gap:10px}
.sidebar-brand .brand-icon{width:36px;height:36px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-cyan));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;color:white;flex-shrink:0}
.sidebar-brand .brand-name{font-weight:700;font-size:16px;color:#ffffff;letter-spacing:-0.02em;line-height:1.2}
.sidebar-brand .brand-sub{font-size:11px;color:var(--sidebar-text-muted);font-weight:400;margin-top:1px}

/* Sidebar Nav */
.sidebar-nav{flex:1;padding:12px 10px;overflow-y:auto}
.nav-section{margin-bottom:16px}
.nav-section-title{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;color:var(--sidebar-text-muted);padding:0 10px;margin-bottom:4px}
.nav-item{display:flex;align-items:center;gap:10px;padding:8px 12px;border-radius:var(--radius-md);color:var(--sidebar-text);font-weight:500;font-size:13px;transition:all var(--transition-fast);position:relative;cursor:pointer;text-decoration:none;margin-bottom:2px}
.nav-item:hover{background:var(--sidebar-hover);color:var(--sidebar-active-text)}
.nav-item.active{background:var(--sidebar-active);color:var(--sidebar-active-text);font-weight:600}
.nav-item .nav-icon{width:18px;height:18px;flex-shrink:0;opacity:0.8}
.nav-item:hover .nav-icon{opacity:1}
.sidebar-footer{padding:16px;border-top:1px solid rgba(255,255,255,0.08)}
.sidebar-user{display:flex;align-items:center;gap:12px;padding:10px;border-radius:var(--radius-md);transition:background var(--transition-fast);text-decoration:none}
.sidebar-user:hover{background:var(--sidebar-hover)}
.user-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--accent-primary),var(--accent-cyan));display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:white;flex-shrink:0}
.user-info{flex:1;min-width:0}
.user-name{font-size:14px;font-weight:600;color:#ffffff;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.user-role{font-size:12px;color:var(--sidebar-text-muted);text-transform:capitalize;margin-top:2px}

/* Main Content */
.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh}
.top-bar{height:auto;padding:14px 24px;background:linear-gradient(135deg, #1e1e2e 0%, #2d2b55 50%, #4f46e5 100%);display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:50;box-shadow:0 2px 12px rgba(30,30,46,0.15)}
.top-bar-left{display:flex;flex-direction:column;gap:1px}
.page-title{font-size:17px;font-weight:700;color:#ffffff;letter-spacing:-0.02em}
.page-subtitle{font-size:11px;color:rgba(255,255,255,0.6);margin-top:1px}
.top-bar-right{display:flex;align-items:center;gap:12px}
.sync-status{display:flex;align-items:center;gap:6px;font-size:12px;color:rgba(255,255,255,0.85);font-weight:500;padding:4px 10px;background:rgba(255,255,255,0.1);border-radius:var(--radius-sm);border:1px solid rgba(255,255,255,0.1)}
.sync-dot{width:7px;height:7px;border-radius:50%;background:#10b981;animation:pulse 2s infinite;box-shadow:0 0 8px rgba(16,185,129,0.5)}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:0.5}}
.page-content{padding:16px 20px}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:600;border:none;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;font-family:'Inter',sans-serif}
.btn-primary{background:var(--primary);color:white;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-glow);color:white}
.btn-secondary{background:var(--bg-card);color:var(--text-primary);border:1px solid var(--border-color);box-shadow:var(--shadow-sm)}
.btn-secondary:hover{background:var(--bg-hover);border-color:var(--border-focus)}
.btn-sm{padding:5px 12px;font-size:12px}
.btn-refresh{display:flex;align-items:center;gap:6px;padding:5px 12px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);border-radius:var(--radius-sm);color:#ffffff;font-size:12px;font-weight:600;cursor:pointer;transition:all var(--transition-fast);font-family:'Inter',sans-serif}
.btn-refresh:hover{background:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.3)}

/* KPI Cards */
.kpi-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(160px,1fr));gap:12px;margin-bottom:16px}
.kpi-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);padding:12px 14px;cursor:pointer;transition:all var(--transition-base);position:relative;overflow:hidden;box-shadow:var(--shadow-sm);text-decoration:none;border-top:2px solid transparent}
.kpi-card::before{display:none}
.kpi-card.health-green{border-top-color:var(--health-green)}
.kpi-card.health-amber{border-top-color:var(--health-amber)}
.kpi-card.health-red{border-top-color:var(--health-red)}
.kpi-card:hover{transform:translateY(-1px);box-shadow:var(--shadow-md);border-color:var(--border-color);border-top-color:var(--accent-primary)}
.kpi-card.health-green:hover{border-top-color:var(--health-green)}
.kpi-card.health-amber:hover{border-top-color:var(--health-amber)}
.kpi-card.health-red:hover{border-top-color:var(--health-red)}
.kpi-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:6px}
.kpi-label{font-size:10px;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:0.05em}
.kpi-icon{width:28px;height:28px;border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center}
.kpi-card.health-green .kpi-icon{background:var(--health-green-bg);color:var(--health-green)}
.kpi-card.health-amber .kpi-icon{background:var(--health-amber-bg);color:var(--health-amber)}
.kpi-card.health-red .kpi-icon{background:var(--health-red-bg);color:var(--health-red)}
.kpi-card:not([class*="health-"]) .kpi-icon{background:var(--primary-light);color:var(--primary)}
.kpi-value{font-size:22px;font-weight:800;line-height:1;margin-bottom:2px;letter-spacing:-0.02em}
.kpi-subtitle{font-size:11px;color:var(--text-muted);font-weight:500}

/* Cards & Containers */
.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin-bottom:12px;overflow:hidden}
.card-header{padding:10px 14px;border-bottom:1px solid var(--border-color);display:flex;align-items:center;justify-content:space-between;background:var(--bg-card)}
.card-title{font-size:13px;font-weight:700;color:var(--text-primary);letter-spacing:-0.01em}
.card-body{padding:12px 14px}
.card-body.no-padding{padding:0}

/* Tables */
.data-table{width:100%;border-collapse:collapse;font-size:12px;text-align:left}
.data-table th{background:var(--bg-tertiary);color:var(--text-secondary);font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:0.05em;padding:6px 10px;border-bottom:1px solid var(--border-color)}
.data-table td{padding:6px 10px;border-bottom:1px solid var(--border-color);vertical-align:middle;color:var(--text-primary)}
.data-table tbody tr{transition:background var(--transition-fast)}
.data-table tbody tr:nth-child(even){background:rgba(0,0,0,0.015)}
.data-table tbody tr:hover{background:var(--bg-tertiary)}
.clickable-row{cursor:pointer}
.data-table tbody tr.row-red{background:var(--health-red-bg)!important}
.data-table tbody tr.row-amber{background:var(--health-amber-bg)!important}

/* Badges */
.badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:var(--radius-xl);font-size:11px;font-weight:600;white-space:nowrap}
.badge-green{background:var(--health-green-bg);color:var(--health-green);border:1px solid rgba(5,150,105,0.2)}
.badge-amber{background:var(--health-amber-bg);color:var(--health-amber);border:1px solid rgba(217,119,6,0.2)}
.badge-red{background:var(--health-red-bg);color:var(--health-red);border:1px solid rgba(225,29,72,0.2)}
.badge-blue{background:rgba(59,130,246,0.1);color:#3b82f6;border:1px solid rgba(59,130,246,0.2)}
.badge-gray{background:rgba(107,114,128,0.1);color:#6b7280;border:1px solid rgba(107,114,128,0.2)}

/* Forms & Inputs */
.form-group{margin-bottom:14px}
.form-label{display:block;font-size:12px;font-weight:600;color:var(--text-primary);margin-bottom:4px}
.form-input,.form-select{width:100%;padding:8px 12px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:13px;font-family:'Inter',sans-serif;transition:all var(--transition-fast)}
.form-input:focus,.form-select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);background:var(--bg-secondary)}
.form-input::placeholder{color:var(--text-muted)}
.recon-input{padding:6px 10px;border:1px solid var(--border-color);border-radius:6px;font-size:12px;background:var(--bg-secondary);color:var(--text-primary);font-family:'Inter',sans-serif;transition:all var(--transition-fast)}
.recon-input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-light);background:var(--bg-secondary)}

/* Filters Bar */
.filters-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:16px;padding:12px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-sm)}
.filter-group{display:flex;flex-direction:column;gap:4px;min-width:140px}
.filter-group label{font-size:11px;font-weight:600;color:var(--text-secondary)}
.filter-group select,.filter-group input{padding:6px 10px;background:var(--bg-input);border:1px solid var(--border-color);border-radius:var(--radius-sm);color:var(--text-primary);font-size:13px}

/* Alerts / Flash Messages */
.flash{padding:10px 14px;border-radius:var(--radius-sm);margin-bottom:12px;font-size:13px;font-weight:500;display:flex;align-items:center;gap:8px}
.flash-success{background:var(--health-green-bg);color:var(--health-green);border:1px solid var(--health-green-border)}
.flash-error{background:var(--health-red-bg);color:var(--health-red);border:1px solid var(--health-red-border)}

/* Charts */
.charts-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(350px,1fr));gap:16px;margin-bottom:16px}
.chart-container{position:relative;height:260px;padding:4px}

/* Login Page */
.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-primary);padding:24px;position:relative;overflow:hidden}
.login-page::before{content:'';position:absolute;width:800px;height:800px;border-radius:50%;background:radial-gradient(circle,var(--primary-light) 0%,transparent 70%);top:-300px;right:-200px}
.login-page::after{content:'';position:absolute;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle,rgba(8,145,178,0.06) 0%,transparent 70%);bottom:-200px;left:-150px}
.login-card{width:100%;max-width:440px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-xl);padding:48px 40px;box-shadow:var(--shadow-lg);position:relative;z-index:1}
.login-brand{text-align:center;margin-bottom:36px}
.login-brand .brand-icon{width:64px;height:64px;background:linear-gradient(135deg,var(--accent-primary),var(--accent-cyan));border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:24px;color:white;margin:0 auto 20px;box-shadow:0 8px 24px var(--primary-glow)}
.login-brand h1{font-size:24px;font-weight:800;color:var(--text-primary);margin-bottom:8px;letter-spacing:-0.03em}
.login-brand p{font-size:15px;color:var(--text-secondary)}
.login-card .btn-primary{width:100%;padding:14px;font-size:15px;justify-content:center;margin-top:12px}

/* Modal */
.slide-modal-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(17,24,39,0.4);backdrop-filter:blur(4px);z-index:1000;opacity:0;visibility:hidden;transition:all var(--transition-base)}
.slide-modal{position:fixed;top:0;right:0;bottom:0;width:480px;background:var(--bg-secondary);box-shadow:-12px 0 40px rgba(0,0,0,0.1);z-index:1001;transform:translateX(100%);transition:transform 350ms cubic-bezier(0.4,0,0.2,1);display:flex;flex-direction:column}
.slide-modal.open{transform:translateX(0)}
.slide-modal-overlay.open{opacity:1;visibility:visible}
.slide-modal-header{padding:24px 32px;border-bottom:1px solid var(--border-color);background:var(--bg-tertiary);display:flex;justify-content:space-between;align-items:center}
.slide-modal-body{padding:32px;flex:1;overflow-y:auto}

/* Utility */
.empty-state{text-align:center;padding:40px 16px;color:var(--text-muted)}
.empty-state svg{margin-bottom:12px;opacity:0.4;width:36px;height:36px}
.empty-state h3{font-size:15px;font-weight:600;color:var(--text-primary);margin-bottom:4px}
.empty-state p{font-size:12px;color:var(--text-secondary)}

.spinner{width:32px;height:32px;border:3px solid var(--border-color);border-top-color:var(--primary);border-radius:50%;animation:spin 0.6s linear infinite;margin:0 auto}

@media(max-width:1024px){
    .sidebar{transform:translateX(-100%)}
    .sidebar.open{transform:translateX(0)}
    .main-content{margin-left:0}
}