:root{--font-family: "Inter", system-ui, -apple-system, sans-serif;--bg-color: #f1f5f9;--surface-color: #ffffff;--surface-color-dark: #1e293b;--text-primary: #0f172a;--text-secondary: #64748b;--primary-color: #4f8cf6;--primary-hover: #3b82f6;--accent-color: #e2e8f0;--border-radius-lg: 24px;--border-radius-md: 16px;--border-radius-sm: 12px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .1);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .1), 0 2px 4px -1px rgba(0, 0, 0, .06);--shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, .1), 0 4px 6px -2px rgba(0, 0, 0, .05);--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--nav-height: 80px}[data-theme=dark]{--bg-color: #0f172a;--surface-color: #1e293b;--text-primary: #f8fafc;--text-secondary: #94a3b8;--accent-color: #334155;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 6px -1px rgba(0, 0, 0, .3);--shadow-lg: 0 10px 25px -3px rgba(0, 0, 0, .3)}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);background-color:var(--bg-color);color:var(--text-primary);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh;padding-bottom:var(--nav-height)}h1,h2,h3,h4,h5,h6{font-weight:700;line-height:1.2}a{color:var(--primary-color);text-decoration:none}button{cursor:pointer;border:none;background:none;font-family:inherit}.text-center{text-align:center}.text-primary{color:var(--primary-color)}.text-secondary{color:var(--text-secondary)}.font-bold{font-weight:700}.font-semibold{font-weight:600}.flex{display:flex}.flex-col{display:flex;flex-direction:column}.items-center{align-items:center}.justify-center{justify-content:center}.justify-between{justify-content:space-between}.gap-xs{gap:var(--spacing-xs)}.gap-sm{gap:var(--spacing-sm)}.gap-md{gap:var(--spacing-md)}.gap-lg{gap:var(--spacing-lg)}.grid{display:grid}.grid-cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}.card{background-color:var(--surface-color);border-radius:var(--border-radius-lg);padding:var(--spacing-lg);box-shadow:var(--shadow-sm);transition:transform .2s,box-shadow .2s}.card:hover{box-shadow:var(--shadow-md)}.btn-primary{background-color:var(--primary-color);color:#fff;padding:12px 24px;border-radius:999px;font-weight:600;transition:background-color .2s}.btn-primary:hover{background-color:var(--primary-hover)}.btn-danger{background-color:#ef4444;color:#fff;padding:12px 24px;border-radius:999px;font-weight:600;transition:background-color .2s}.btn-danger:hover{background-color:#dc2626}.input-field{width:100%;padding:12px 16px;border-radius:var(--border-radius-sm);border:1px solid var(--accent-color);background-color:var(--surface-color);color:var(--text-primary);font-size:1rem;transition:border-color .2s}.input-field:focus{outline:none;border-color:var(--primary-color)}.app-header{height:60px;padding:0 var(--spacing-md);display:flex;align-items:center;justify-content:space-between;background-color:transparent;width:100%;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.header-left,.header-right{display:flex;align-items:center;gap:var(--spacing-md)}.brand span{font-size:1.25rem;letter-spacing:-.5px}.icon-btn{display:flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:50%;color:var(--text-primary);background-color:var(--surface-color);box-shadow:var(--shadow-sm);transition:background-color .2s,transform .1s}.icon-btn:hover{transform:scale(1.05)}.icon-btn:active{transform:scale(.95)}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:var(--nav-height);background-color:var(--surface-color);display:flex;justify-content:space-around;align-items:center;box-shadow:0 -2px 10px #0000000d;z-index:1000;padding-bottom:env(safe-area-inset-bottom);border-top-left-radius:var(--border-radius-lg);border-top-right-radius:var(--border-radius-lg)}.nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-secondary);text-decoration:none;width:60px;position:relative;transition:color .2s}.nav-item:hover{color:var(--text-primary)}.icon-wrapper{display:flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:50%;margin-bottom:2px;transition:background-color .2s,color .2s,transform .2s}.nav-label{font-size:.7rem;font-weight:600;transition:opacity .2s}.nav-item.active{color:var(--primary-color)}.nav-item-home{transform:translateY(-20px)}.nav-item-home .icon-wrapper{background-color:var(--primary-color);color:#fff;width:60px;height:60px;box-shadow:0 8px 16px #4f8cf666}.nav-item-home .nav-label{position:absolute;bottom:-20px;color:var(--text-primary)}.nav-item-home.active .icon-wrapper{transform:scale(1.05)}[data-theme=dark] .bottom-nav{box-shadow:0 -2px 10px #0000004d}.login-container{min-height:100vh;display:flex;align-items:center;justify-content:center;background-color:var(--bg-primary, #f5f7fa);padding:1rem}.login-card{background:#fff;border-radius:16px;box-shadow:0 10px 25px #0000000d;width:100%;max-width:400px;padding:2.5rem 2rem}.login-header{text-align:center;margin-bottom:2rem}.logo-container{background:linear-gradient(135deg,#00c6ff,#0072ff);width:70px;height:70px;border-radius:16px;display:flex;align-items:center;justify-content:center;margin:0 auto 1.5rem;color:#fff;box-shadow:0 4px 15px #0072ff4d}.login-header h2{font-size:1.5rem;color:#1a1a2e;margin:0 0 .5rem;font-weight:700}.login-header p{color:#6b7280;font-size:.95rem;margin:0}.login-form{display:flex;flex-direction:column;gap:1.25rem}.input-group label{display:block;font-size:.875rem;font-weight:600;color:#374151;margin-bottom:.5rem}.input-wrapper{position:relative;display:flex;align-items:center}.input-icon{position:absolute;left:1rem;color:#9ca3af}.input-wrapper input{width:100%;padding:.875rem 1rem .875rem 3rem;border:1px solid #e5e7eb;border-radius:12px;font-size:1rem;outline:none;transition:all .2s;background-color:#f9fafb}.input-wrapper input:focus{border-color:#0072ff;box-shadow:0 0 0 3px #0072ff1a;background-color:#fff}.login-button{background:linear-gradient(135deg,#00c6ff,#0072ff);color:#fff;border:none;padding:1rem;border-radius:12px;font-size:1rem;font-weight:600;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:.5rem;transition:transform .1s,box-shadow .2s;margin-top:1rem}.login-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 4px 12px #0072ff40}.login-button:disabled{opacity:.7;cursor:not-allowed}