/* ═══════════════════════════════════════════
   WyceńGo Design System
   ═══════════════════════════════════════════ */
:root {
    --primary: #111827;
    --primary-50: #F9FAFB;
    --primary-100: #F3F4F6;
    --primary-200: #E5E7EB;
    --primary-300: #D1D5DB;
    --primary-400: #9CA3AF;
    --primary-500: #6B7280;
    --primary-600: #4B5563;
    --primary-700: #374151;
    --primary-800: #1F2937;
    --primary-900: #111827;
    --accent: #2563EB;
    --accent-light: #3B82F6;
    --accent-bg: #EFF6FF;
    --success: #059669;
    --success-bg: #ECFDF5;
    --danger: #DC2626;
    --danger-bg: #FEF2F2;
    --warning: #D97706;
    --warning-bg: #FFFBEB;
    --bg: #FFFFFF;
    --bg-subtle: #F9FAFB;
    --text: #111827;
    --text-secondary: #6B7280;
    --text-tertiary: #9CA3AF;
    --border: #E5E7EB;
    --border-light: #F3F4F6;
    --card: #FFFFFF;
    --sidebar-w: 280px;
    --topbar-h: 64px;
    --radius: 12px;
    --radius-sm: 8px;
    --radius-lg: 16px;
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.05), 0 2px 4px -2px rgba(0,0,0,0.03);
    --transition: 150ms ease;
}

/* ═══ RESET ═══ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg);
    color: var(--text);
    font-size: 16px;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1:focus, h2:focus, h3:focus { outline: none; }
input, textarea, select, button { font-family: inherit; font-size: inherit; }
.search-bar input { border: none; outline: none; background: transparent; padding: 0; flex: 1; min-width: 0; font-size: 16px; color: var(--text); }
.search-bar input:focus { border: none; outline: none; box-shadow: none; }
.search-bar input::placeholder { color: var(--text-tertiary); }

/* ═══ UTILITIES ═══ */
.w-full { width: 100%; }

/* ═══ BUTTONS ═══ */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 24px; border-radius: var(--radius-sm); border: 1px solid var(--border);
    font-weight: 500; cursor: pointer; transition: all var(--transition);
    background: var(--bg); color: var(--text); font-size: 15px;
    text-decoration: none;
}
.btn:hover { border-color: var(--primary-300); background: var(--primary-50); text-decoration: none; }
.btn .material-icons-round { font-size: 18px; }
.btn-primary { background: var(--primary-900); color: #fff; border-color: var(--primary-900); }
.btn-primary:hover { background: var(--primary-800); border-color: var(--primary-800); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn-accent:hover { background: #1D4ED8; border-color: #1D4ED8; }
.btn-success { background: var(--success); color: #fff; border-color: var(--success); }
.btn-success:hover { background: #047857; }
.btn-danger-outline { color: var(--danger); border-color: var(--danger); }
.btn-sm { padding: 7px 16px; font-size: 13px; }
.btn-lg { padding: 16px 32px; font-size: 17px; }

/* ═══ BADGES ═══ */
.badge {
    display: inline-flex; align-items: center; padding: 5px 12px;
    border-radius: 20px; font-size: 13px; font-weight: 600; letter-spacing: 0.2px;
}
.badge-gray { background: var(--primary-100); color: var(--primary-600); }
.badge-blue { background: var(--accent-bg); color: var(--accent); }
.badge-green { background: var(--success-bg); color: var(--success); }
.badge-red { background: var(--danger-bg); color: var(--danger); }
.badge-yellow { background: var(--warning-bg); color: var(--warning); }

/* ═══ FORMS ═══ */
.form-group { margin-bottom: 22px; }
.form-label { display: block; font-size: 14px; font-weight: 500; color: var(--text-secondary); margin-bottom: 8px; }
.form-input {
    width: 100%; padding: 13px 16px; border: 1px solid var(--border);
    border-radius: var(--radius-sm); font-size: 16px; color: var(--text);
    background: var(--bg); transition: border-color var(--transition); outline: none;
}
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(37,99,235,0.08); }
.form-input::placeholder { color: var(--text-tertiary); }

/* ═══ FORM LAYOUTS ═══ */
.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }
.form-hint { font-size: 12px; color: var(--text-tertiary); margin-top: 4px; display: block; }
.form-card { margin-bottom: 24px; border-color: var(--accent); border-width: 2px; }
.form-card-title { font-size: 18px; font-weight: 600; margin-bottom: 20px; }
.form-actions { display: flex; gap: 8px; margin-top: 12px; }
.form-error { font-size: 14px; color: var(--danger); background: var(--danger-bg); border: 1px solid #FECACA; border-radius: var(--radius-sm); padding: 10px 14px; margin-bottom: 16px; }
@media (max-width: 768px) {
    .form-row { flex-direction: column; gap: 0; }
    .header-row { gap: 10px; margin-bottom: 16px; }
    .search-bar { padding: 10px 14px; margin-bottom: 16px; }
    .card { padding: 16px; }
    .btn { padding: 10px 18px; font-size: 14px; }
    .btn-sm { padding: 6px 12px; font-size: 12px; }
    .btn-lg { padding: 12px 24px; font-size: 15px; }
    .empty-state { padding: 32px 16px; }
}

@media (max-width: 480px) {
    body { font-size: 15px; }
    .header-row { gap: 8px; margin-bottom: 12px; }
    .form-group { margin-bottom: 16px; }
    .form-input { padding: 11px 12px; font-size: 15px; }
    .form-label { font-size: 13px; margin-bottom: 6px; }
    .card { padding: 14px; border-radius: var(--radius-sm); }
    .btn { padding: 9px 14px; font-size: 13px; gap: 6px; }
    .search-bar { padding: 10px 12px; gap: 8px; }
    .search-bar input { font-size: 15px; }
}

@media (max-width: 360px) {
    body { font-size: 14px; }
    .btn { padding: 8px 12px; font-size: 13px; }
    .card { padding: 12px; }
    .form-input { padding: 10px; }
    .badge { padding: 4px 8px; font-size: 11px; }
    .empty-state { padding: 24px 12px; }
    .empty-state .material-icons-round { font-size: 36px; }
}

/* ═══ SHARED COMPONENTS ═══ */
.header-row { display: flex; align-items: center; gap: 16px; margin-bottom: 24px; flex-wrap: wrap; }
.spacer { flex: 1; }
.search-bar { display: flex; align-items: center; gap: 12px; padding: 13px 20px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--bg); margin-bottom: 24px; }
.search-bar .material-icons-round { font-size: 22px; color: var(--text-tertiary); }
.section-title { font-size: 13px; font-weight: 700; color: var(--text); text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 16px; padding-bottom: 10px; border-bottom: 1px solid var(--border-light); }
.btn-icon-sm { border: none; background: none; cursor: pointer; color: var(--text-tertiary); padding: 4px; border-radius: 4px; transition: all var(--transition); }
.btn-icon-sm:hover { color: var(--text); background: var(--primary-50); }
.btn-icon-sm .material-icons-round { font-size: 18px; }
.btn-icon-danger:hover { color: var(--danger); background: var(--danger-bg); }
.empty-state { text-align: center; color: var(--text-tertiary); padding: 48px 20px; }
.empty-state .material-icons-round { font-size: 48px; display: block; margin-bottom: 12px; }

/* ═══ VALIDATION ═══ */
.validation-message { font-size: 13px; color: var(--danger); margin-top: 4px; }
.invalid { border-color: var(--danger) !important; }
.valid.modified { border-color: var(--success) !important; }

/* ═══ CARDS ═══ */
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 24px; }

/* ═══ INTERACTIVE LOADING ═══ */
[blazor-reconnecting] .page-content,
.blazor-connecting .page-content { pointer-events: none; opacity: 0.5; transition: opacity 0.2s; }

/* ═══ BLAZOR ERROR UI ═══ */
#blazor-error-ui {
    background: lightyellow;
    bottom: 0;
    box-shadow: 0 -1px 2px rgba(0, 0, 0, 0.2);
    display: none;
    left: 0;
    padding: 0.6rem 1.25rem 0.7rem;
    position: fixed;
    width: 100%;
    z-index: 1000;
}