/* ================================================================
   GatherOne Design System
   ================================================================ */

:root {
    --color-primary: #6366f1;
    --color-primary-hover: #4f46e5;
    --color-primary-light: #e0e7ff;
    --color-success: #22c55e;
    --color-warning: #f59e0b;
    --color-danger: #ef4444;
    --color-info: #3b82f6;
    --gray-50: #f8fafc;
    --gray-100: #f1f5f9;
    --gray-200: #e2e8f0;
    --gray-300: #cbd5e1;
    --gray-400: #94a3b8;
    --gray-500: #64748b;
    --gray-600: #475569;
    --gray-700: #334155;
    --gray-800: #1e293b;
    --gray-900: #0f172a;
    --bg-main: #f1f5f9;
    --bg-card: #fff;
    --bg-sidebar: #fff;
    --bg-topbar: #fff;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.05);
    --shadow-md: 0 4px 6px -1px rgba(0,0,0,.07);
    --shadow-lg: 0 10px 15px -3px rgba(0,0,0,.08);
    --sidebar-width: 195px;
    --topbar-height: 56px;
    --radius-sm: 6px;
    --radius-md: 10px;
}

*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
html{font-size:15px;-webkit-font-smoothing:antialiased}
body{font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,'Helvetica Neue',Arial,sans-serif;background:var(--bg-main);color:var(--gray-700);line-height:1.7;min-height:100vh}
a{color:var(--color-primary);text-decoration:none}
a:hover{text-decoration:underline}

/* Layout */
.topbar{position:fixed;top:0;left:0;right:0;z-index:1000;height:var(--topbar-height);background:var(--bg-topbar);border-bottom:1px solid var(--gray-200);display:flex;align-items:center;justify-content:space-between;padding:0 1.5rem;box-shadow:var(--shadow-sm)}
.topbar-brand{font-size:1.25rem;font-weight:700;color:var(--gray-800);text-decoration:none}
.topbar-brand span{color:var(--color-primary)}
.topbar-brand:hover{text-decoration:none}
.topbar-right{display:flex;align-items:center;gap:.75rem}
.topbar-user{color:var(--gray-500);font-size:.9375rem;display:flex;align-items:center;gap:.375rem;white-space:nowrap}
.sidebar{position:fixed;top:var(--topbar-height);left:0;bottom:0;width:var(--sidebar-width);background:var(--bg-sidebar);overflow-y:auto;z-index:999;border-right:1px solid var(--gray-200)}
.sidebar-nav{padding:1rem 0}
.sidebar-group{background:var(--gray-50);border-radius:var(--radius-sm);padding:.5rem 0;margin:0 .5rem .625rem}
.sidebar-section{padding:.75rem 1.25rem .25rem;font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.06em;color:var(--gray-400)}
.sidebar-link{display:flex;align-items:center;gap:.75rem;padding:.6rem 1.25rem;margin:1px 0;color:var(--gray-600);font-size:.9375rem;text-decoration:none;border-left:3px solid transparent;transition:all .15s}
.sidebar-link:hover{background:var(--gray-100);color:var(--gray-800);text-decoration:none}
.sidebar-link.active{background:var(--color-primary-light);color:var(--color-primary);border-left-color:var(--color-primary)}
.sidebar-link .icon{width:1.15rem;height:1.15rem;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center}
.main-content{margin-left:var(--sidebar-width);margin-top:var(--topbar-height);padding:1.5rem 2rem;min-height:calc(100vh - var(--topbar-height))}

/* Cards */
.card{background:var(--bg-card);border-radius:var(--radius-md);border:1px solid var(--gray-200);box-shadow:var(--shadow-sm);margin-bottom:1.25rem}
.card-header{padding:.875rem 1.25rem;border-bottom:1px solid var(--gray-100);font-weight:600;font-size:.9375rem;color:var(--gray-700)}
.card-body{padding:1.25rem}

/* Buttons */
.btn{display:inline-flex;align-items:center;gap:.375rem;padding:.5rem 1rem;font-size:.9375rem;font-weight:500;border:1px solid transparent;border-radius:var(--radius-sm);cursor:pointer;text-decoration:none;transition:all .15s;line-height:1.5;white-space:nowrap}
.btn:hover{text-decoration:none}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-primary{background:var(--color-primary);color:#fff;border-color:var(--color-primary)}
.btn-primary:hover{background:var(--color-primary-hover)}
.btn-secondary{background:#fff;color:var(--gray-700);border-color:var(--gray-300)}
.btn-secondary:hover{background:var(--gray-50)}
.btn-danger{background:#fff;color:var(--color-danger);border-color:#fecaca}
.btn-danger:hover{background:#fef2f2}
.btn-success{background:var(--color-success);color:#fff}
.btn-success:hover{background:#16a34a}
.btn-sm{padding:.35rem .75rem;font-size:.8125rem}
.form-control-sm{padding:.3rem .5rem;font-size:.8125rem}

/* Forms */
.form-group{margin-bottom:1rem}
.form-label{display:block;font-size:.9375rem;font-weight:500;color:var(--gray-600);margin-bottom:.35rem}
.form-control{display:block;width:100%;padding:.5rem .75rem;font-size:.9375rem;line-height:1.5;color:var(--gray-700);background:#fff;border:1px solid var(--gray-300);border-radius:var(--radius-sm);transition:border-color .15s,box-shadow .15s}
.form-control:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2364748b' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right .75rem center;padding-right:2rem}
textarea.form-control{min-height:100px;resize:vertical}
.form-inline{display:flex;gap:.75rem;align-items:flex-end;flex-wrap:wrap}

/* Tables */
th,td{padding:.5rem .875rem;text-align:left;color:var(--gray-700)}
.table-wrap th{color:var(--gray-500);font-weight:600;font-size:.75rem;background:var(--gray-50);position:sticky;top:0;z-index:3}
.table-wrap td{color:var(--gray-700)}
.table{width:100%;border-collapse:collapse;font-size:.9375rem}
.table th,.table td{padding:.625rem .9375rem;text-align:left;border-bottom:1px solid var(--gray-200)}
.table th{font-weight:600;color:var(--gray-500);font-size:.75rem;text-transform:uppercase;letter-spacing:.03em;background:var(--gray-50);position:sticky;top:0;z-index:3}
.table tbody tr:hover{background:var(--gray-50)}
.table-striped tbody tr:nth-child(even){background:var(--gray-50)}
.col-freeze{position:sticky;right:0;z-index:1;background:var(--bg-card);box-shadow:-3px 0 6px rgba(0,0,0,.06)}
.col-freeze-h{position:sticky;right:0;top:0;z-index:4;background:var(--gray-50);box-shadow:-3px 0 6px rgba(0,0,0,.06)}
.col-freeze-l{position:sticky;left:0;z-index:1;background:var(--bg-card);box-shadow:3px 0 6px rgba(0,0,0,.06)}
.col-freeze-lh{position:sticky;left:0;top:0;z-index:5;background:var(--gray-50);box-shadow:3px 0 6px rgba(0,0,0,.06)}

/* Alerts */
.alert{padding:.75rem 1rem;border-radius:var(--radius-sm);font-size:.9375rem;margin-bottom:.75rem;display:flex;align-items:center;gap:.5rem}
.alert-info{background:#dbeafe;color:#1e40af;border:1px solid #bfdbfe}
.alert-success{background:#dcfce7;color:#166534;border:1px solid #bbf7d0}
.alert-warning{background:#fef3c7;color:#92400e;border:1px solid #fde68a}
.alert-danger,.alert-error{background:#fee2e2;color:#991b1b;border:1px solid #fecaca}
.alert-dismissible{padding-right:2.5rem;position:relative}
.alert .close-btn{position:absolute;right:.75rem;top:50%;transform:translateY(-50%);background:none;border:none;font-size:1.2rem;cursor:pointer;color:inherit;opacity:.6}
.alert .close-btn:hover{opacity:1}

/* Badges */
.badge{display:inline-block;padding:.15rem .55rem;font-size:.75rem;font-weight:600;border-radius:99px}
.badge-primary{background:var(--color-primary-light);color:var(--color-primary)}
.badge-success{background:#dcfce7;color:#166534}
.badge-danger{background:#fee2e2;color:#991b1b}
.badge-warning{background:#fef3c7;color:#92400e}

/* Progress */
.progress{height:6px;background:var(--gray-200);border-radius:99px;overflow:hidden}
.progress-bar{height:100%;border-radius:99px;background:var(--color-primary);transition:width .3s}

/* Stats */
.stat-grid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-bottom:1.5rem}
.stat-card{background:var(--bg-card);border:1px solid var(--gray-200);border-radius:var(--radius-md);padding:1.125rem 1.25rem;box-shadow:var(--shadow-sm)}
.stat-card .stat-value{font-size:1.5rem;font-weight:700;color:var(--gray-800)}
.stat-card .stat-label{font-size:.75rem;color:var(--gray-500);margin-top:.25rem;text-transform:uppercase;letter-spacing:.04em}

/* Utilities */
.grid{display:grid;gap:1.25rem;align-items:stretch;grid-auto-rows:1fr}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr);width:100%}
.grid-4{grid-template-columns:repeat(4,1fr)}
.flex{display:flex}.flex-wrap{flex-wrap:wrap}.items-center{align-items:center}.justify-between{justify-content:space-between}
.gap-1{gap:.5rem}.gap-2{gap:.75rem}.gap-3{gap:1rem}
.mt-1{margin-top:.5rem}.mt-2{margin-top:.75rem}.mt-3{margin-top:1rem}
.mb-1{margin-bottom:.5rem}.mb-2{margin-bottom:.75rem}.mb-3{margin-bottom:1rem}
.mr-1{margin-right:.5rem}.mr-2{margin-right:.75rem}
.text-sm{font-size:.875rem}.text-xs{font-size:.75rem}.text-muted{color:var(--gray-500)}
.text-danger{color:var(--color-danger)}.text-success{color:var(--color-success)}.text-center{text-align:center}
.font-bold{font-weight:600}.w-full{width:100%}.truncate{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-header{margin-bottom:1.25rem}
.page-header h2{font-size:1.35rem;font-weight:700;color:var(--gray-800)}
.page-header p{color:var(--gray-500);font-size:.9375rem;margin-top:.25rem}

/* Responsive */
@media(max-width:768px){
    .sidebar{display:none}
    .main-content{margin-left:0;padding:1rem}
    .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
    .stat-grid{grid-template-columns:repeat(2,1fr)}
    .form-inline{flex-direction:column}
}
@media(max-width:480px){.stat-grid{grid-template-columns:1fr}}

/* ── Bootstrap compatibility for content templates ──────────── */
.container{width:100%;max-width:1320px;margin:0 auto;padding:0 1rem}
.container-fluid{width:100%;padding:0 1.5rem}
.row{display:flex;flex-wrap:wrap;margin:0 -.75rem}
.row>*{padding:0 .75rem;width:100%;max-width:100%}
.col{flex:1 0 0%}
.col-12{flex:0 0 auto;width:100%}
.col-8{flex:0 0 auto;width:66.666%}
.col-6{flex:0 0 auto;width:50%}
.col-4{flex:0 0 auto;width:33.333%}
.col-3{flex:0 0 auto;width:25%}
@media(min-width:768px){.col-md-6{flex:0 0 auto;width:50%}.col-md-8{flex:0 0 auto;width:66.666%}.col-md-4{flex:0 0 auto;width:33.333%}}
.p-3{padding:1rem}.p-5{padding:3rem}.pt-3{padding-top:1rem}.pb-3{padding-bottom:1rem}
.bg-primary{background:var(--color-primary)!important}.bg-white{background:#fff!important}
.text-white{color:#fff!important}.text-center{text-align:center!important}.text-right{text-align:right!important}
h1,h2,h3,h4,h5,h6{font-weight:600;color:var(--gray-800);line-height:1.3}
h1{font-size:2rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.1rem}
hr{border:0;border-top:1px solid var(--gray-200);margin:1rem 0}
strong,b{font-weight:600}
input[type="date"]{padding:.4rem .6rem;border:1px solid var(--gray-300);border-radius:var(--radius-sm);font-size:.9375rem}
input[type="date"]:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
a.btn{color:inherit}

/* ── Keep compatibility with existing inline styles ─────────── */
caption{caption-side:top;font-size:1.2em;color:var(--gray-700)}
.table-wrap{overflow-x:auto;width:100%;margin-bottom:1rem}
.table-wrap table,.card-body table{width:100%;min-width:100%}
tr{white-space:nowrap}
.form{background-color:rgba(175,211,253,.69);padding:15px 40px;border-radius:8px;box-shadow:0 10px 25px rgba(92,99,105,.2);position:relative}

/* ── Export cards ────────────────────────────────────────── */
.export-card{display:flex;flex-direction:column}
.export-card form{display:flex;flex-direction:column;flex:1}
.export-card form button,.export-card form .btn{margin-top:auto}

/* ── Chart containers ──────────────────────────────────────── */
[style*=width][id^=plot_],[style*=width][id^=main],.chart{width:100%!important;overflow:hidden}

/* ── Spinner ────────────────────────────────────────────────── */
.spinner{display:inline-block;width:20px;height:20px;border:2px solid var(--gray-200);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite;vertical-align:middle;margin-right:.5rem}
@keyframes spin{to{transform:rotate(360deg)}}

/* ── Dark mode ──────────────────────────────────────────────── */
html[data-theme=dark] {
    --color-primary: #818cf8;--color-primary-hover: #6366f1;
    --bg-main: #0f172a;--bg-card: #1e293b;--bg-topbar: #1e293b;
    --gray-50:#1e293b;--gray-100:#1e293b;--gray-200:#334155;
    --gray-300:#cbd5e1;--gray-400:#94a3b8;--gray-500:#94a3b8;
    --gray-600:#e2e8f0;--gray-700:#e2e8f0;--gray-800:#f1f5f9;--gray-900:#f8fafc;
    --bg-sidebar: #0b1120;--shadow-sm:0 1px 2px rgba(0,0,0,.3);--shadow-md:0 4px 6px rgba(0,0,0,.3)
}
html[data-theme=dark] body{color:var(--gray-600)!important;background:var(--bg-main)!important}
html[data-theme=dark] .card{background:var(--bg-card)!important;border-color:var(--gray-200)!important}
html[data-theme=dark] .card-header{background:var(--gray-100)!important;border-color:var(--gray-200)!important;color:var(--gray-600)!important}
html[data-theme=dark] .btn-secondary{background:var(--gray-200)!important;color:var(--gray-600)!important;border-color:var(--gray-200)!important}
html[data-theme=dark] .btn-danger{background:var(--gray-200)!important;color:#fca5a5!important;border-color:var(--gray-200)!important}
html[data-theme=dark] .bg-white{background:var(--bg-card)!important}
html[data-theme=dark] .topbar{background:var(--bg-topbar)!important;border-color:var(--gray-200)!important}
html[data-theme=dark] .form-control{background:var(--bg-card)!important;color:var(--gray-600)!important;border-color:var(--gray-600)!important}
html[data-theme=dark] .table th{background:var(--gray-100)!important;color:var(--gray-400)!important}
html[data-theme=dark] .table td{color:var(--gray-600)!important;border-color:var(--gray-200)!important}
html[data-theme=dark] th,html[data-theme=dark] td{color:var(--gray-600)}
html[data-theme=dark] .table-wrap th{color:var(--gray-400);background:var(--gray-100)}
html[data-theme=dark] .page-header h2{color:var(--gray-800)!important}
html[data-theme=dark] .page-header p{color:var(--gray-400)!important}
html[data-theme=dark] .text-muted{color:var(--gray-400)!important}
html[data-theme=dark] hr{border-color:var(--gray-200)!important}