/* ==========================================================================
   Knowledge Hub Admin Panel - Core Stylesheet
   Modern, Clean, Fast, 100% Offline Compatible
   ========================================================================== */

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --bg-page: #f8fafc;
    --card-bg: #ffffff;
    --border-color: #e2e8f0;
    --text-primary: #0f172a;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background-color: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.5;
}

/* Form Controls Baseline */
input[type="text"],
input[type="email"],
input[type="password"],
input[type="number"],
input[type="url"],
select,
textarea {
    font-family: inherit;
    font-size: 0.875rem;
    color: var(--text-primary);
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    transition: border-color 0.15s ease-in-out, box-shadow 0.15s ease-in-out;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
}

button {
    font-family: inherit;
    cursor: pointer;
}

/* Table Baseline */
table {
    border-collapse: collapse;
    width: 100%;
}

th, td {
    padding: 0.75rem 1.25rem;
    text-align: left;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 0.15s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Scrollbar */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd5e1;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #94a3b8;
}