:root{--bg-primary: #ffffff;--bg-secondary: #f8f9fa;--bg-tertiary: #e9ecef;--text-primary: #000000;--text-secondary: #4a4a4a;--text-tertiary: #6c757d;--border-color: #e0e0e0;--shadow-sm: 0 2px 4px rgba(0, 0, 0, .08);--shadow-md: 0 4px 12px rgba(0, 0, 0, .12);--shadow-lg: 0 8px 24px rgba(0, 0, 0, .16);--primary-color: #4a90e2;--primary-hover: #357abd;--success-color: #10b981;--success-hover: #059669;--success-bg: #d1fae5;--success-border: #a7f3d0;--success-text: #065f46;--danger-color: #dc3545;--warning-color: #ffc107;--info-color: #17a2b8;--error-color: #dc2626;--error-hover: #b91c1c;--error-bg: #fee2e2;--error-hover-bg: #fecaca;--info-bg: #eff6ff;--info-hover-bg: #dbeafe;--info-border: #bfdbfe;--info-text: #1e40af;--warning-bg: #fef3c7;--warning-border: #fde68a;--warning-text: #92400e;--hover-bg: #f3f4f6;--input-bg: #ffffff;--input-border: #d1d1d1;--card-bg: #ffffff;--sidebar-bg: #ffffff;--navbar-bg: #ffffff}[data-theme=dark]{--bg-primary: #000000;--bg-secondary: #1a1a1a;--bg-tertiary: #2a2a2a;--text-primary: #ffffff;--text-secondary: #b0b0b0;--text-tertiary: #808080;--border-color: #2a2a2a;--shadow-sm: 0 2px 4px rgba(255, 255, 255, .05);--shadow-md: 0 4px 12px rgba(255, 255, 255, .08);--shadow-lg: 0 8px 24px rgba(255, 255, 255, .1);--success-color: #10b981;--success-hover: #059669;--success-bg: rgba(16, 185, 129, .1);--success-border: rgba(16, 185, 129, .2);--success-text: #6ee7b7;--error-color: #ef4444;--error-hover: #dc2626;--error-bg: rgba(239, 68, 68, .1);--error-hover-bg: rgba(239, 68, 68, .2);--info-bg: rgba(59, 130, 246, .1);--info-hover-bg: rgba(59, 130, 246, .2);--info-border: rgba(59, 130, 246, .2);--info-text: #93c5fd;--warning-bg: rgba(245, 158, 11, .1);--warning-border: rgba(245, 158, 11, .2);--warning-text: #fbbf24;--hover-bg: #2a2a2a;--input-bg: #1a1a1a;--input-border: #2a2a2a;--card-bg: #1a1a1a;--sidebar-bg: #000000;--navbar-bg: #000000}body{background-color:var(--bg-secondary);color:var(--text-primary);transition:background-color .3s ease,color .3s ease}.card{background-color:var(--card-bg);border-color:var(--border-color);box-shadow:var(--shadow-sm);transition:background-color .3s ease,border-color .3s ease}.form-control,.form-select{background-color:var(--input-bg);border-color:var(--input-border);color:var(--text-primary);transition:background-color .3s ease,border-color .3s ease,color .3s ease}.form-control:focus,.form-select:focus{background-color:var(--input-bg);border-color:var(--primary-color);color:var(--text-primary)}.form-control::placeholder{color:var(--text-tertiary)}.btn-primary{background-color:var(--primary-color);border-color:var(--primary-color)}.btn-primary:hover{background-color:var(--primary-hover);border-color:var(--primary-hover)}.text-muted{color:var(--text-secondary)!important}.theme-toggle{width:50px;height:50px;border-radius:50%;border:none;background:var(--primary-color);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all .3s ease;box-shadow:var(--shadow-md)}.theme-toggle:hover{background:var(--primary-hover);transform:scale(1.1)}.theme-toggle i{font-size:20px}.auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--bg-secondary);padding:20px}.auth-card{width:100%;max-width:450px;background:var(--card-bg);border-radius:16px;padding:40px;box-shadow:var(--shadow-lg)}.auth-logo{text-align:center;margin-bottom:30px}.auth-logo img{max-width:120px;height:auto}.auth-title{font-size:28px;font-weight:600;color:var(--text-primary);margin-bottom:10px;text-align:center}.auth-subtitle{color:var(--text-secondary);text-align:center;margin-bottom:30px}.form-group{margin-bottom:20px}.form-label{color:var(--text-primary);font-weight:500;margin-bottom:8px}.input-group-text{background-color:var(--bg-tertiary);border-color:var(--input-border);color:var(--text-secondary)}.auth-link{color:var(--primary-color);text-decoration:none;font-weight:500}.auth-link:hover{color:var(--primary-hover);text-decoration:underline}.divider{text-align:center;margin:25px 0;position:relative}.divider:before{content:"";position:absolute;left:0;top:50%;width:100%;height:1px;background:var(--border-color)}.divider span{background:var(--card-bg);padding:0 15px;position:relative;color:var(--text-secondary)}.dashboard-wrapper{display:flex;min-height:100vh;background:var(--bg-secondary)}.sidebar{width:260px;background:var(--sidebar-bg);border-right:1px solid var(--border-color);position:fixed;height:100vh;overflow-y:auto;transition:all .3s ease;color:var(--text-primary)}:root .sidebar{background:#fff;border-right-color:#e0e0e0;color:#000}:root .sidebar .nav-section-title{color:#6c757d}:root .sidebar .nav-link{color:#000}:root .sidebar .nav-link:hover{color:#4a90e2}:root .sidebar .nav-link.active{background:linear-gradient(135deg,#4a90e226,#4a90e214);color:#4a90e2}:root .sidebar .link-icon{background:#f8f9fa;color:#000}:root .sidebar .nav-link.active .link-icon{background:linear-gradient(135deg,#4a90e2,#357abd);color:#fff}:root .sidebar .sidebar-header{background:linear-gradient(135deg,#4a90e20d,#4a90e205);border-bottom-color:#e0e0e0}:root .sidebar .sidebar-close-btn-desktop,:root .sidebar .sidebar-close-btn{background:#f8f9fa;color:#000}:root .sidebar .sidebar-close-btn-desktop:hover,:root .sidebar .sidebar-close-btn:hover{background:#4a90e226;color:#4a90e2}[data-theme=dark] .sidebar{background:#000;border-right-color:#2a2a2a;color:#fff}[data-theme=dark] .sidebar .nav-section-title{color:gray}[data-theme=dark] .sidebar .nav-link{color:#fff}[data-theme=dark] .sidebar .nav-link:hover{color:#4a90e2}[data-theme=dark] .sidebar .nav-link.active{background:linear-gradient(135deg,#4a90e233,#4a90e21a);color:#4a90e2}[data-theme=dark] .sidebar .link-icon{background:#ffffff0d;color:#fff}[data-theme=dark] .sidebar .nav-link.active .link-icon{background:linear-gradient(135deg,#4a90e2,#357abd);color:#fff}[data-theme=dark] .sidebar .sidebar-header{background:linear-gradient(135deg,#4a90e214,#4a90e208);border-bottom-color:#ffffff14}[data-theme=dark] .sidebar .sidebar-close-btn-desktop,[data-theme=dark] .sidebar .sidebar-close-btn{background:#ffffff0d;color:#fff}[data-theme=dark] .sidebar .sidebar-close-btn-desktop:hover,[data-theme=dark] .sidebar .sidebar-close-btn:hover{background:#ff3b301a;color:#ff3b30}.main-content{flex:1;margin-left:260px;transition:margin-left .3s ease}.main-content.full-width{margin-left:0}.navbar-dashboard{background:var(--navbar-bg);border-bottom:1px solid var(--border-color);padding:15px 30px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100}.stats-card{background:var(--card-bg);border-radius:12px;padding:20px;box-shadow:var(--shadow-sm);border:1px solid var(--border-color)}.stats-icon{width:50px;height:50px;border-radius:10px;display:flex;align-items:center;justify-content:center;font-size:24px}.alert{border-radius:8px;padding:15px 20px;margin-bottom:20px}[data-theme=dark] .alert-success{background-color:#28a74533;border-color:#28a7454d;color:#5dd879}[data-theme=dark] .alert-danger{background-color:#dc354533;border-color:#dc35454d;color:#f57b8b}[data-theme=dark] .alert-warning{background-color:#ffc10733;border-color:#ffc1074d;color:#ffd454}[data-theme=dark] .alert-info{background-color:#17a2b833;border-color:#17a2b84d;color:#4dcde0}*{transition:background-color .3s ease,color .3s ease,border-color .3s ease}.spinner-border{border-color:var(--text-tertiary);border-right-color:var(--primary-color)}@media(max-width:768px){.sidebar{transform:translate(-100%);z-index:1000}.sidebar.mobile-open{transform:translate(0)}.main-content{margin-left:0}.auth-card{padding:30px 20px}}