/* ═══════════════════════════════════════════
   ŁatwaWycena Design System v2
   ═══════════════════════════════════════════ */
:root {
    --primary: #0F1729;
    --primary-50: #F8FAFC;
    --primary-100: #F1F5F9;
    --primary-200: #E2E8F0;
    --primary-300: #CBD5E1;
    --primary-400: #94A3B8;
    --primary-500: #64748B;
    --primary-600: #475569;
    --primary-700: #334155;
    --primary-800: #1E293B;
    --primary-900: #0F172A;

    --accent: #4F46E5;
    --accent-light: #818CF8;
    --accent-dark: #4338CA;
    --accent-bg: rgba(79,70,229,0.06);
    --accent-bg-strong: rgba(79,70,229,0.12);

    --success: #059669;
    --success-bg: #ECFDF5;
    --danger: #DC2626;
    --danger-bg: #FEF2F2;
    --warning: #D97706;
    --warning-bg: #FFFBEB;

    --bg: #FFFFFF;
    --bg-app: #F5F6FA;
    --bg-subtle: #E8EDF5;
    --bg-white: #FFFFFF;
    --text: #0F172A;
    --text-secondary: #475569;
    --text-tertiary: #64748B;
    --border: #DAE1EC;
    --border-light: #EDF1F7;
    --card: #FFFFFF;

    --sidebar-w: 240px;
    --topbar-h: 3.75rem;
    --radius: 0.75rem;
    --radius-sm: 0.5rem;
    --radius-lg: 1rem;

    --shadow-xs: 0 1px 2px rgba(15,23,42,0.05);
    --shadow-sm: 0 1px 4px rgba(15,23,42,0.07), 0 1px 2px rgba(15,23,42,0.04);
    --shadow-md: 0 4px 16px rgba(15,23,42,0.08), 0 1px 4px rgba(15,23,42,0.04);
    --shadow-lg: 0 12px 32px rgba(15,23,42,0.1), 0 4px 8px rgba(15,23,42,0.05);
    --shadow-blue: 0 4px 16px rgba(79,70,229,0.2);
    --shadow-card: 0 1px 3px rgba(15,23,42,0.04), 0 0 0 1px rgba(15,23,42,0.03);

    --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: 120ms cubic-bezier(0.4, 0, 0.2, 1);
    --bounce: 300ms cubic-bezier(0.34, 1.56, 0.64, 1);

    --font-sans: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-heading: 'Sora', 'DM Sans', system-ui, sans-serif;
    --font-mono: 'JetBrains Mono', ui-monospace, monospace;
}

/* ═══ RESET ═══ */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: var(--font-sans);
    background: var(--bg);
    color: var(--text);
    font-size: 0.9375rem;
    line-height: 1.6;
    font-optical-sizing: auto;
    -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; }
::selection { background: rgba(79, 70, 229, 0.2); color: inherit; }

.search-bar input { border: none; outline: none; background: transparent; padding: 0; flex: 1; min-width: 0; font-size: 0.9375rem; 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%; }
.font-mono { font-family: var(--font-mono); }
.text-sm { font-size: 0.8125rem; }
.text-muted { color: var(--text-tertiary); }
.nowrap { white-space: nowrap; }
.text-right { text-align: right; }

/* ═══ BUTTONS ═══ */
.btn {
    display: inline-flex; align-items: center; gap: 0.5rem;
    padding: 0.625rem 1.25rem; border-radius: var(--radius-sm); border: 1px solid var(--border);
    font-weight: 600; cursor: pointer; transition: all var(--transition);
    background: var(--bg-white); color: var(--text); font-size: 0.875rem;
    text-decoration: none; letter-spacing: -0.01em;
    box-shadow: var(--shadow-xs);
}
.btn:hover { border-color: var(--primary-300); background: var(--primary-50); text-decoration: none; box-shadow: var(--shadow-sm); transform: translateY(-1px); }
.btn:active { transform: translateY(0); box-shadow: var(--shadow-xs); }
.btn .material-icons-round { font-size: 1.125rem; }

.btn-primary {
    background: linear-gradient(135deg, var(--primary-900), var(--primary-800));
    color: #fff; border-color: var(--primary-900);
    box-shadow: 0 2px 6px rgba(15,23,42,0.15);
}
.btn-primary:hover { background: linear-gradient(135deg, var(--primary-800), var(--primary-700)); color: #fff; border-color: var(--primary-800); box-shadow: 0 4px 12px rgba(15,23,42,0.25); }

.btn-accent {
    background: linear-gradient(135deg, #4F46E5, #818CF8);
    color: #fff; border-color: #4F46E5;
    box-shadow: 0 2px 6px rgba(79,70,229,0.2);
}
.btn-accent:hover { background: linear-gradient(135deg, #4338CA, #4F46E5); color: #fff; border-color: #4338CA; box-shadow: var(--shadow-blue); }

.btn-success { background: linear-gradient(135deg, #059669, #10B981); color: #fff; border-color: var(--success); }
.btn-success:hover { background: linear-gradient(135deg, #047857, #059669); color: #fff; border-color: #047857; }

.btn-danger-outline { color: var(--danger); border-color: var(--danger); background: transparent; box-shadow: none; }
.btn-danger-outline:hover { background: var(--danger-bg); color: var(--danger); }

.btn-sm { padding: 0.375rem 0.875rem; font-size: 0.8125rem; border-radius: 0.375rem; }
.btn-lg { padding: 0.875rem 1.75rem; font-size: 1rem; }

/* ═══ BADGES ═══ */
.badge {
    display: inline-flex; align-items: center; padding: 0.25rem 0.625rem;
    border-radius: 100px; font-size: 0.75rem; font-weight: 600; letter-spacing: 0.01em;
}
.badge-gray { background: var(--primary-100); color: var(--primary-600); }
.badge-blue { background: rgba(79,70,229,0.08); 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: 1.25rem; }
.form-label { display: block; font-size: 0.8125rem; font-weight: 600; color: var(--text-secondary); margin-bottom: 0.375rem; }
.form-input {
    width: 100%; padding: 0.625rem 0.875rem; border: 1.5px solid var(--border);
    border-radius: var(--radius-sm); font-size: 0.9375rem; color: var(--text);
    background: var(--bg-white); transition: all var(--transition); outline: none;
    box-shadow: inset 0 1px 2px rgba(15,23,42,0.04);
}
.form-input:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,0.12), inset 0 1px 2px rgba(15,23,42,0.04); }
.form-input::placeholder { color: var(--text-tertiary); }

.form-row { display: flex; gap: 1rem; }
.form-row .form-group { flex: 1; }
.form-hint { font-size: 0.75rem; color: var(--text-tertiary); margin-top: 0.25rem; display: block; }
.form-card { margin-bottom: 1.5rem; border-color: var(--accent); border-width: 2px; }
.form-card-title { font-size: 1.125rem; font-weight: 700; margin-bottom: 1.25rem; }
.form-actions { display: flex; gap: 0.5rem; margin-top: 0.75rem; }
.form-error { font-size: 0.8125rem; color: var(--danger); background: var(--danger-bg); border: 1px solid #FECACA; border-radius: var(--radius-sm); padding: 0.625rem 0.875rem; margin-bottom: 1rem; font-weight: 500; }

@media (max-width: 768px) {
    .form-row { flex-direction: column; gap: 0; }
    .header-row { gap: 0.625rem; margin-bottom: 1rem; }
    .search-bar { padding: 0.625rem 0.875rem; margin-bottom: 1rem; }
    .card { padding: 1rem; }
    .btn { padding: 0.5rem 0.875rem; font-size: 0.8125rem; gap: 0.375rem; }
    .btn .material-icons-round { font-size: 1rem; }
    .btn-sm { padding: 0.3125rem 0.625rem; font-size: 0.75rem; }
    .btn-sm .material-icons-round { font-size: 0.875rem; }
    .btn-lg { padding: 0.75rem 1.5rem; font-size: 0.9375rem; }
    .empty-state { padding: 2rem 1rem; }
    .page-header { gap: 0.625rem; margin-bottom: 1rem; }
    .page-actions { gap: 0.375rem; }
    .page-desc { font-size: 0.8125rem; line-height: 1.5; margin-bottom: 1rem; }
}

@media (max-width: 480px) {
    body { font-size: 0.875rem; }
    .form-group { margin-bottom: 0.875rem; }
    .form-input { padding: 0.5rem 0.625rem; font-size: 0.875rem; }
    .form-label { font-size: 0.6875rem; margin-bottom: 0.25rem; }
    .card { padding: 0.75rem; border-radius: var(--radius-sm); }
    .btn { padding: 0.4375rem 0.75rem; font-size: 0.75rem; gap: 0.3125rem; }
    .btn-sm { padding: 0.3125rem 0.5rem; font-size: 0.6875rem; }
    .search-bar { padding: 0.4375rem 0.625rem; gap: 0.375rem; }
    .search-bar input { font-size: 0.8125rem; }
    .search-bar .material-icons-round { font-size: 1.0625rem; }
}

@media (max-width: 360px) {
    .btn { padding: 0.5rem 0.75rem; font-size: 0.8125rem; }
    .card { padding: 0.75rem; }
    .form-input { padding: 0.625rem; }
    .badge { padding: 0.1875rem 0.5rem; font-size: 0.6875rem; }
}

/* ═══ SHARED COMPONENTS ═══ */
.page-header { display: flex; align-items: flex-start; justify-content: space-between; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.page-header .page-desc { margin-bottom: 0; flex: 1; min-width: 12.5rem; }
.page-actions { display: flex; gap: 0.5rem; flex-shrink: 0; flex-wrap: wrap; }
.page-desc { font-size: 0.875rem; color: var(--text-secondary); line-height: 1.7; margin: 0 0 1.5rem; }
.page-desc a { color: var(--accent); font-weight: 600; }
.page-intro { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.75rem; }
.page-intro-icon { font-size: 2.5rem; color: var(--accent); flex-shrink: 0; }
.page-intro-title { font-size: 1.25rem; font-weight: 700; margin: 0 0 0.25rem; }
.page-intro .page-desc { margin-bottom: 0; }
.header-row { display: flex; align-items: center; gap: 1rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.spacer { flex: 1; }

.search-bar {
    display: flex; align-items: center; gap: 0.75rem;
    padding: 0.625rem 1rem; border: 1.5px solid var(--border);
    border-radius: var(--radius-sm); background: var(--bg-white);
    margin-bottom: 1.5rem; transition: all var(--transition);
    box-shadow: var(--shadow-xs);
}
.search-bar:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(79,70,229,0.12); }
.search-bar .material-icons-round { font-size: 1.25rem; color: var(--text-tertiary); }

/* ═══ UNIFIED TABLE STYLES ═══ */
.data-table-wrap { overflow-x: auto; background: #fff; border-radius: var(--radius-sm); border: 1px solid var(--border-light); box-shadow: 0 1px 3px rgba(0,0,0,0.04); }
.data-table-wrap table, table.data-table { width: 100%; border-collapse: collapse; }
.data-table-wrap th, table.data-table th { text-align: left; padding: 0.625rem 1rem; font-size: 0.6875rem; font-weight: 700; color: var(--text-tertiary); text-transform: uppercase; letter-spacing: 0.04em; border-bottom: 1px solid var(--border); }
.data-table-wrap td, table.data-table td { padding: 0.75rem 1rem; border-bottom: 1px solid var(--border-light); font-size: 0.875rem; vertical-align: middle; }
.data-table-wrap tr:hover td, table.data-table tr:hover td { background: var(--primary-50); }
.data-table-wrap .clickable-row, .data-table-wrap .svc-row, .data-table-wrap .client-row, .data-table-wrap .quote-row { cursor: pointer; }

.section-title {
    font-size: 0.6875rem; font-weight: 700; color: var(--text-tertiary);
    text-transform: uppercase; letter-spacing: 0.08em;
    margin-bottom: 0.875rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border-light);
}

.btn-icon-sm { border: none; background: none; cursor: pointer; color: var(--text-tertiary); padding: 0.25rem; border-radius: 0.25rem; transition: all var(--transition); }
.btn-icon-sm:hover { color: var(--text); background: var(--primary-50); }
.btn-icon-sm .material-icons-round { font-size: 1.125rem; }
.btn-icon-danger:hover { color: var(--danger); background: var(--danger-bg); }
.empty-state { text-align: center; color: var(--text-tertiary); padding: 3rem 1.25rem; }
.empty-state .material-icons-round { font-size: 3rem; display: block; margin-bottom: 0.75rem; }

/* ═══ VALIDATION ═══ */
.validation-message { font-size: 0.8125rem; color: var(--danger); margin-top: 0.25rem; }
.invalid { border-color: var(--danger) !important; }
.valid.modified { border-color: var(--success) !important; }

/* ═══ CARDS ═══ */
.card, .section-card, .table-wrap {
    background: #FFFFFF; border: 1px solid var(--border);
    border-radius: var(--radius); padding: 1.375rem;
    box-shadow: var(--shadow-card);
    transition: all var(--transition);
}
.card:hover { box-shadow: var(--shadow-md); transform: translateY(-1px); }

/* ═══ 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;
}

/* PWA push toggle in notification dropdown */
.notif-footer-wrap { display: flex; flex-direction: column; }
.notif-push-toggle { border-top: 1px solid var(--border); color: var(--text-tertiary); font-size: 0.75rem; gap: 0.25rem; display: flex; align-items: center; justify-content: center; }
.notif-push-toggle:hover { color: var(--accent); }