* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: #f4f6f9;
    color: #333;
}
.app { display: flex; min-height: 100vh; }
.sidebar {
    width: 250px; background: #22263a; color: #fff; display: flex; flex-direction: column;
}
.brand { padding: 26px; font-size: 28px; font-weight: 800; letter-spacing: 2px; background: #1a1d2d; }
.nav { flex: 1; padding: 12px 0; }
.nav-item {
    display: flex; align-items: center; padding: 12px 24px; color: #b8c0d4;
    text-decoration: none; font-size: 14px; transition: 0.15s;
}
.nav-item:hover, .nav-item.active { background: #2d334c; color: #fff; }
.nav-item .icon { width: 22px; margin-right: 12px; text-align: center; }
.main { flex: 1; display: flex; flex-direction: column; }
.topbar {
    height: 64px; background: #fff; border-bottom: 1px solid #e2e8f0;
    display: flex; align-items: center; justify-content: space-between; padding: 0 28px; font-size: 13px; color: #555;
}
.topbar-info { display: flex; gap: 36px; }
.topbar-info div { text-align: center; }
.topbar-info .label { font-size: 11px; color: #888; text-transform: uppercase; letter-spacing: 0.5px; }
.topbar-info .value { font-weight: 600; color: #222; margin-top: 2px; }
.topbar-user { display: flex; align-items: center; gap: 12px; }
.badge { background: #e9f2ff; color: #3b7cff; padding: 4px 10px; border-radius: 12px; font-weight: 600; font-size: 12px; }
.content { padding: 28px; }
.page-title { font-size: 22px; font-weight: 600; color: #222; margin-bottom: 20px; }
.back-link { color: #3b7cff; font-size: 13px; text-decoration: none; margin-bottom: 12px; display: inline-block; }

/* Login */
.login-body {
    min-height: 100vh; display: flex; align-items: center; justify-content: center; background: #293043;
}
.login-box {
    background: #fff; width: 440px; border-radius: 8px; box-shadow: 0 4px 24px rgba(0,0,0,0.08);
    overflow: hidden; border: 1px solid #e2e8f0;
}
.login-header { background: #22263a; color: #fff; padding: 32px; text-align: center; }
.login-header .logo { font-size: 32px; font-weight: 800; letter-spacing: 2px; margin-bottom: 8px; }
.login-header p { color: #9aa3b8; font-size: 13px; }
.login-form { padding: 32px; }
.login-footer { text-align: center; padding: 0 32px 24px; font-size: 12px; color: #888; }

/* Forms */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; margin-bottom: 6px; font-size: 13px; font-weight: 600; color: #444; }
.form-group input, .form-group select, .form-group textarea {
    width: 100%; padding: 11px 12px; border: 1px solid #d0d7e2; border-radius: 6px; font-size: 13px;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
    outline: none; border-color: #3b7cff; box-shadow: 0 0 0 3px rgba(59,124,255,0.1);
}
.form-group textarea { min-height: 80px; font-family: monospace; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.form-row.inline { grid-template-columns: 1fr 120px 150px 200px auto; align-items: flex-end; }
.form-hint { font-size: 12px; color: #888; margin-top: 5px; }

/* Buttons */
.btn {
    display: inline-block; padding: 11px 18px; border: none; border-radius: 6px;
    background: #3b7cff; color: #fff; font-size: 13px; font-weight: 600; cursor: pointer; text-decoration: none;
}
.btn:hover { background: #255ed9; }
.btn-success { background: #1a8c4a; }
.btn-success:hover { background: #136c38; }
.btn-danger { background: #c92a2a; }
.btn-danger:hover { background: #a02020; }
.btn-secondary { background: #6c757d; }
.btn-secondary:hover { background: #545b62; }
.btn-small { padding: 5px 10px; border: none; border-radius: 4px; background: #3b7cff; color: #fff; font-size: 11px; cursor: pointer; margin-right: 4px; }
.btn-small.secondary { background: #6c757d; }
.btn-small.success { background: #1a8c4a; }
.btn-small.danger { background: #c92a2a; }

/* Panels / Cards */
.panel {
    background: #fff; border-radius: 8px; border: 1px solid #ebeef3;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05); overflow: hidden; margin-bottom: 24px;
}
.panel-header {
    padding: 18px 22px; border-bottom: 1px solid #ebeef3; font-weight: 600; font-size: 15px;
    display: flex; justify-content: space-between; align-items: center;
}
.panel-body { padding: 22px; }

/* Dashboard */
.search-box {
    display: flex; align-items: center; background: #fff; border: 1px solid #e2e8f0;
    border-radius: 6px; padding: 0 16px; margin-bottom: 28px; max-width: 800px;
}
.search-box input { flex: 1; border: none; padding: 14px 0; font-size: 14px; outline: none; }
.search-box .icon { color: #888; font-size: 16px; }
.section-title { font-size: 20px; font-weight: 600; color: #222; margin-bottom: 18px; }
.favorites-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-bottom: 32px; }
.fav-card {
    background: #fff; border-radius: 8px; padding: 22px; box-shadow: 0 1px 3px rgba(0,0,0,0.05);
    border: 1px solid #ebeef3; display: flex; align-items: flex-start; gap: 14px;
}
.fav-icon { font-size: 26px; }
.fav-content { flex: 1; }
.fav-title { font-size: 14px; font-weight: 600; color: #222; }
.fav-value { font-size: 24px; font-weight: 700; color: #222; margin-top: 4px; }
.fav-desc { font-size: 12px; color: #888; margin-top: 4px; }
.tools-section { margin-top: 8px; }
.tool-card { background: #fff; border-radius: 8px; border: 1px solid #ebeef3; box-shadow: 0 1px 3px rgba(0,0,0,0.05); overflow: hidden; }
.tool-header { padding: 16px 22px; display: flex; align-items: center; gap: 12px; border-bottom: 1px solid #ebeef3; font-weight: 600; font-size: 15px; }
.tool-body { padding: 24px; }
.tags { display: flex; gap: 10px; margin-bottom: 20px; flex-wrap: wrap; }
.tag { background: #f1f5f9; color: #556; padding: 5px 12px; border-radius: 14px; font-size: 12px; }

/* Tables */
table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { padding: 14px; text-align: left; border-bottom: 1px solid #eef1f6; }
th { color: #888; font-weight: 600; font-size: 11px; text-transform: uppercase; letter-spacing: 0.5px; background: #fafbfc; }
.credit { color: #1a8c4a; font-weight: 700; }
.status { display: inline-block; padding: 3px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.status.success { background: #e6f9ed; color: #1a8c4a; }
.status.fail { background: #ffeaea; color: #c92a2a; }

/* Alerts */
.alert { padding: 14px 18px; border-radius: 6px; margin-bottom: 20px; font-size: 13px; }
.alert.info { background: #f0f7ff; color: #1a4b9a; border-left: 4px solid #3b7cff; }
.alert.success { background: #e6f9ed; color: #1a8c4a; border-left: 4px solid #1a8c4a; }
.alert.error { background: #ffeaea; color: #c92a2a; border-left: 4px solid #c92a2a; }
.alert.warning { background: #fff8e6; color: #92400e; border-left: 4px solid #f59e0b; }

/* Code / Data */
.code-block {
    width: 100%; min-height: 120px; background: #f8fafc; border: 1px solid #e2e8f0;
    border-radius: 6px; padding: 12px; font-family: monospace; font-size: 12px; color: #444; resize: vertical;
}
.one-line {
    width: 100%; padding: 12px; background: #f8fafc; border: 1px solid #e2e8f0;
    border-radius: 6px; font-family: monospace; font-size: 12px; word-break: break-all; margin-bottom: 10px;
}

/* Pagination */
.pagination { display: flex; justify-content: flex-end; gap: 6px; padding: 16px; }
.page { padding: 6px 11px; border: 1px solid #dde3ec; background: #fff; border-radius: 4px; font-size: 12px; cursor: pointer; text-decoration: none; color: #333; }
.page.active { background: #3b7cff; color: #fff; border-color: #3b7cff; }

/* Toolbar */
.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 18px; }
.search-input { padding: 10px 14px; border: 1px solid #d0d7e2; border-radius: 6px; width: 340px; font-size: 13px; }

/* Grid layouts */
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; max-width: 1100px; }
.grid-account { display: grid; grid-template-columns: 360px 1fr; gap: 24px; }

/* Info rows */
.info-row { display: flex; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid #f0f0f0; font-size: 13px; }
.info-row:last-child { border-bottom: none; }
.info-row .value { font-weight: 600; color: #222; }

/* Login error */
.login-error { background: #ffeaea; color: #c92a2a; padding: 12px; border-radius: 6px; margin-bottom: 16px; font-size: 13px; }