/* Tailwind CSS - Pre-built for Investment Platform */
/* 本地化，无需外部CDN */

/* Reset */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { line-height: 1.5; -webkit-text-size-adjust: 100%; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif; }

/* ===== Layout ===== */
.min-h-screen { min-height: 100vh; }
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.sm\:px-6 { }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.p-6 { padding: 1.5rem; }
.p-4 { padding: 1rem; }
.p-3 { padding: 0.75rem; }
.p-2 { padding: 0.5rem; }
.mt-12 { margin-top: 3rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-0\.5 { margin-top: 0.125rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 0.5rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 0.75rem; }
.ml-4 { margin-left: 1rem; }
.mr-2 { margin-right: 0.5rem; }
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-3 > * + * { margin-left: 0.75rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }

/* ===== Flexbox & Grid ===== */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.flex-wrap { flex-wrap: wrap; }
.flex-col { flex-direction: column; }
.flex-1 { flex: 1 1 0%; }
.shrink-0 { flex-shrink: 0; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.md\:grid-cols-3 { }
.md\:grid-cols-4 { }
.gap-4 { gap: 1rem; }

/* ===== Typography ===== */
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.text-center { text-align: center; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* ===== Colors ===== */
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-white { background-color: #ffffff; }
.bg-blue-50 { background-color: #eff6ff; }
.bg-blue-600 { background-color: #2563eb; }
.bg-green-50 { background-color: #f0fdf4; }
.bg-red-50 { background-color: #fef2f2; }
.bg-purple-50 { background-color: #faf5ff; }
.bg-orange-50 { background-color: #fff7ed; }
.bg-yellow-50 { background-color: #fefce8; }
.bg-blue-100 { background-color: #dbeafe; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-900 { color: #111827; }
.text-blue-600 { color: #2563eb; }
.text-blue-700 { color: #1d4ed8; }
.text-blue-800 { color: #1e40af; }
.text-blue-900 { color: #1e3a8a; }
.text-green-600 { color: #16a34a; }
.text-green-900 { color: #14532d; }
.text-purple-600 { color: #9333ea; }
.text-purple-900 { color: #581c87; }
.text-orange-600 { color: #ea580c; }
.text-orange-900 { color: #7c2d12; }
.text-red-500 { color: #ef4444; }
.text-red-700 { color: #b91c1c; }
.text-white { color: #ffffff; }

/* ===== Borders ===== */
.border { border-width: 1px; border-style: solid; }
.border-b { border-bottom-width: 1px; border-bottom-style: solid; }
.border-t { border-top-width: 1px; border-top-style: solid; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }
.border-blue-500 { border-color: #3b82f6; }
.border-blue-200 { border-color: #bfdbfe; }
.border-transparent { border-color: transparent; }
.border-red-200 { border-color: #fecaca; }
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-full { border-radius: 9999px; }

/* ===== Shadows ===== */
.shadow { box-shadow: 0 1px 3px 0 rgba(0,0,0,0.1), 0 1px 2px -1px rgba(0,0,0,0.1); }
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05); }

/* ===== Overflow ===== */
.overflow-auto { overflow: auto; }

/* ===== Min-width ===== */
.min-w-0 { min-width: 0; }

/* ===== Positioning ===== */
.relative { position: relative; }
.hidden { display: none !important; }

/* ===== Hover states ===== */
.hover\:bg-blue-50:hover { background-color: #eff6ff; }
.hover\:bg-blue-100:hover { background-color: #dbeafe; }
.hover\:bg-gray-50:hover { background-color: #f9fafb; }
.hover\:bg-gray-100:hover { background-color: #f3f4f6; }
.hover\:bg-red-600:hover { background-color: #dc2626; }
.hover\:text-gray-600:hover { color: #4b5563; }
.hover\:text-gray-900:hover { color: #111827; }
.hover\:text-blue-800:hover { color: #1e40af; }
.hover\:text-red-800:hover { color: #991b1b; }
.hover\:border-blue-200:hover { border-color: #bfdbfe; }

/* ===== Transitions ===== */
.transition-colors { transition-property: color, background-color, border-color; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.transition-all { transition-property: all; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }

/* ===== Animation ===== */
.animate-spin { animation: spin 1s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* ===== Dimensions ===== */
.w-12 { width: 3rem; }
.h-12 { height: 3rem; }
.h-16 { height: 4rem; }
.w-full { width: 100%; }

/* ===== Cursor ===== */
.cursor-pointer { cursor: pointer; }

/* ===== Focus ===== */
.focus\:ring-2:focus { box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.5); }
.focus\:ring-blue-500:focus { box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.5); }
.focus\:border-blue-500:focus { border-color: #3b82f6; outline: none; }

/* ===== Input base ===== */
input[type="text"], input[type="number"], select {
    width: 100%;
    padding: 0.5rem 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 0.375rem;
    font-size: 0.875rem;
    color: #111827;
    background-color: #ffffff;
}
input[type="text"]:focus, input[type="number"]:focus, select:focus {
    border-color: #3b82f6;
    outline: none;
    box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.5);
}

/* ===== Responsive ===== */
@media (min-width: 640px) {
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 768px) {
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
}

/* ===== loading animation ===== */
.loading { animation: pulse 1.5s infinite; }
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ===== card hover ===== */
.card-hover { transition: all 0.2s ease; }
.card-hover:hover { transform: translateY(-2px); box-shadow: 0 4px 12px rgba(0,0,0,0.15); }