:root{--primary:#4F46E5;--primary-hover:#4338CA;--primary-light:#EEF2FF;--primary-color:var(--primary);--secondary:#10B981;--secondary-hover:#059669;--bg-color:#F5F7FB;--bg-card:#FFFFFF;--card-bg:var(--bg-card);--text-main:#0F172A;--text-dark:#0F172A;--text-muted:#64748B;--border-color:#E2E8F0;--error:#DC2626;--success:#059669;--warning:#D97706;--border-radius:12px;--radius:12px;--shadow-sm:0 1px 2px rgba(15,23,42,0.04),0 1px 3px rgba(15,23,42,0.06);--shadow:var(--shadow-sm);--shadow-md:0 4px 12px -2px rgba(15,23,42,0.08),0 2px 4px -2px rgba(15,23,42,0.05);--shadow-lg:0 20px 40px -12px rgba(15,23,42,0.25);--transition:all 0.2s ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Inter,sans-serif;background-color:var(--bg-color);color:var(--text-main);line-height:1.5;-webkit-font-smoothing:antialiased}h1,h2,h3,h4,h5,h6{font-weight:600;color:var(--text-main)}.login-bg{min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;background:radial-gradient(circle at 15% 20%,rgba(99,102,241,.35),transparent 45%),radial-gradient(circle at 85% 80%,rgba(67,56,202,.3),transparent 45%),#0F172A}.login-bg .login-footer{color:#94A3B8}.login-brand{width:52px;height:52px;margin:0 auto 16px;border-radius:14px;background:linear-gradient(135deg,#6366F1,#4338CA);color:#fff;display:flex;align-items:center;justify-content:center;font-size:18px;font-weight:700;letter-spacing:.5px;box-shadow:0 8px 20px rgba(79,70,229,.4)}.login-container{width:100%;max-width:420px;padding:20px}.login-card{background:var(--bg-card);padding:40px;border-radius:var(--border-radius);box-shadow:var(--shadow-lg);animation:slideUp .5s ease}.login-header{text-align:center;margin-bottom:30px}.logo-placeholder{font-size:28px;font-weight:700;color:var(--primary);margin-bottom:10px;letter-spacing:1px}.login-header h2{font-size:24px;margin-bottom:8px}.login-header p{color:var(--text-muted);font-size:14px}.form-group{margin-bottom:20px}.form-group label{display:block;font-size:14px;font-weight:500;margin-bottom:8px;color:var(--text-main)}.form-group input{width:100%;padding:12px 16px;border:1px solid var(--border-color);border-radius:8px;font-size:15px;color:var(--text-main);transition:var(--transition);outline:none}.form-group input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(79,70,229,.1)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 18px;font-family:inherit;font-size:14px;font-weight:600;line-height:1.2;border-radius:8px;border:1px solid transparent;cursor:pointer;transition:background-color .15s ease,border-color .15s ease,box-shadow .15s ease;text-decoration:none}.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(79,70,229,.25)}.btn-primary{background-color:var(--primary);border-color:var(--primary);color:white;box-shadow:0 1px 2px rgba(15,23,42,.12)}.btn-primary:hover{background-color:var(--primary-hover);border-color:var(--primary-hover)}.btn-sm{padding:6px 12px;font-size:13px}.btn-block{width:100%}.btn:disabled{opacity:.7;cursor:not-allowed;transform:none;box-shadow:none}.hidden{display:none!important}.error-message{color:var(--error);background-color:#FEF2F2;padding:12px;border-radius:8px;font-size:14px;margin-top:15px;text-align:center;border:1px solid #fecaca}.spinner{width:20px;height:20px;border-radius:50%;border:3px solid rgba(255,255,255,.3);border-top-color:white;animation:spin 1s ease-in-out infinite;margin-left:10px}.login-footer{text-align:center;margin-top:20px;color:var(--text-muted);font-size:13px}@keyframes slideUp{0%{opacity:0;transform:translateY(20px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{to{transform:rotate(1turn)}}.toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:12px;z-index:9999}.toast{background:white;padding:16px 20px;border-radius:var(--border-radius);box-shadow:var(--shadow-lg);display:flex;align-items:center;gap:12px;transform:translateX(120%);transition:transform .3s cubic-bezier(.175,.885,.32,1.275),opacity .3s ease;border-left:4px solid var(--primary);font-size:14px;font-weight:500}.toast.show{transform:translateX(0)}.toast.toast-success{border-left-color:var(--success)}.toast.toast-error{border-left-color:var(--error)}.toast.toast-warning{border-left-color:var(--warning)}.toast.toast-info{border-left-color:var(--primary)}@media (max-width:640px){.login-card{padding:24px 20px}.login-header h2{font-size:20px}.toast-container{bottom:80px;right:12px;left:12px}.toast{font-size:13px;padding:12px 16px}}