/* Fiberlink Design System — fl-*
   Sistema visual único para los módulos del producto.
   Basado en el rediseño de PlayHub + light/dark de Mesa Digital.

   Uso:
     <link rel="stylesheet" href="/static/fiberlink-ds.css">
     Anti-flash antes del CSS:
       <script>(function(){try{var t=localStorage.getItem('fl-theme')||'auto';
         document.documentElement.setAttribute('data-theme',t);}catch(e){}})();</script>
*/

/* ==================== TOKENS ==================== */
:root {
    /* Palette (dark, default) */
    --fl-canvas:        #0a0a0b;
    --fl-canvas-deep:   #07070a;
    --fl-surface:       #111114;
    --fl-elevated:      #1a1a1f;
    --fl-hover:         #16161a;
    --fl-border:        #1f1f23;
    --fl-border-strong: #27272a;

    --fl-text-1:        #fafafa;
    --fl-text-2:        #a1a1aa;
    --fl-text-3:        #71717a;
    --fl-text-muted:    #52525b;

    --fl-accent:        #1f6feb;
    --fl-accent-hover:  #4292ff;
    --fl-success:       #22c55e;
    --fl-warning:       #d29922;
    --fl-danger:        #f85149;
    --fl-violet:        #a855f7;

    /* Typography */
    --fl-font-sans: 'Inter', -apple-system, system-ui, 'Segoe UI', Roboto, sans-serif;
    --fl-font-mono: 'JetBrains Mono', 'SF Mono', Consolas, monospace;

    /* Spacing */
    --fl-radius-sm: 4px;
    --fl-radius:    8px;
    --fl-radius-lg: 12px;
    --fl-radius-xl: 16px;

    /* Sidebar */
    --fl-sidebar-w: 232px;
    --fl-topnav-h:  44px;
    --fl-topbar-h:  48px;

    /* Shadows */
    --fl-shadow-sm: 0 1px 2px rgba(0,0,0,0.4);
    --fl-shadow:    0 4px 12px rgba(0,0,0,0.35);
    --fl-shadow-lg: 0 10px 40px rgba(0,0,0,0.5);
}

:root[data-theme="light"] {
    --fl-canvas:        #ffffff;
    --fl-canvas-deep:   #f5f5f7;
    --fl-surface:       #ffffff;
    --fl-elevated:      #f5f5f7;
    --fl-hover:         #ebebef;
    --fl-border:        #e5e7eb;
    --fl-border-strong: #d1d5db;
    --fl-text-1:        #0a0a0b;
    --fl-text-2:        #4b5563;
    --fl-text-3:        #71717a;
    --fl-text-muted:    #a1a1aa;
    --fl-success:       #16a34a;
    --fl-warning:       #b45309;
    --fl-danger:        #dc2626;
    --fl-shadow-sm: 0 1px 2px rgba(15,23,42,0.08);
    --fl-shadow:    0 4px 12px rgba(15,23,42,0.10);
    --fl-shadow-lg: 0 10px 40px rgba(15,23,42,0.18);
}

@media (prefers-color-scheme: light) {
    :root[data-theme="auto"] {
        --fl-canvas:        #ffffff;
        --fl-canvas-deep:   #f5f5f7;
        --fl-surface:       #ffffff;
        --fl-elevated:      #f5f5f7;
        --fl-hover:         #ebebef;
        --fl-border:        #e5e7eb;
        --fl-border-strong: #d1d5db;
        --fl-text-1:        #0a0a0b;
        --fl-text-2:        #4b5563;
        --fl-text-3:        #71717a;
        --fl-text-muted:    #a1a1aa;
        --fl-success:       #16a34a;
        --fl-warning:       #b45309;
        --fl-danger:        #dc2626;
        --fl-shadow-sm: 0 1px 2px rgba(15,23,42,0.08);
        --fl-shadow:    0 4px 12px rgba(15,23,42,0.10);
        --fl-shadow-lg: 0 10px 40px rgba(15,23,42,0.18);
    }
}

/* ==================== RESET ==================== */
/* Reset global: cualquier página que cargue este CSS obtiene body sin margen,
   sin importar la clase que use (.fl-app, .ph-app, .r-*, etc.) */
html, body { margin: 0; padding: 0; }

.fl-app *, .fl-app *::before, .fl-app *::after { box-sizing: border-box; }
.fl-app {
    margin: 0; padding: 0;
    background: var(--fl-canvas); color: var(--fl-text-1);
    font-family: var(--fl-font-sans);
    font-size: 14px; line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    display: flex; flex-direction: column;
    transition: background-color 0.15s, color 0.15s;
}
.fl-app button, .fl-app input, .fl-app select, .fl-app textarea { font-family: inherit; }
.fl-app a { text-decoration: none; }
/* Solo <a> sin clase heredan color del body — los con clase mantienen su color explícito */
.fl-app a:not([class]) { color: inherit; }

/* ==================== TOP NAV (global Fiberlink) ==================== */
.fl-topnav {
    height: var(--fl-topnav-h); flex-shrink: 0;
    background: var(--fl-canvas-deep);
    border-bottom: 1px solid var(--fl-border);
    display: flex; align-items: center;
    padding: 0 20px; gap: 18px;
}
.fl-topnav-brand {
    color: var(--fl-text-1); font-weight: 600; font-size: 13px;
    letter-spacing: -0.012em; white-space: nowrap; flex-shrink: 0;
    display: inline-flex; align-items: center; gap: 8px;
}
.fl-topnav-brand::before {
    content: ''; display: inline-block;
    width: 14px; height: 14px;
    background: linear-gradient(135deg, var(--fl-accent), #0ea5e9);
    border-radius: 3px;
}
.fl-topnav-links {
    display: flex; gap: 2px;
    flex: 1; min-width: 0;
    overflow-x: auto; scrollbar-width: thin;
}
.fl-topnav-links::-webkit-scrollbar { height: 4px; }
.fl-topnav-links::-webkit-scrollbar-thumb { background: var(--fl-border-strong); border-radius: 2px; }
.fl-topnav-link {
    padding: 5px 10px; border-radius: 4px;
    color: var(--fl-text-2); font-size: 12px; font-weight: 500;
    white-space: nowrap;
    transition: background 0.12s, color 0.12s;
}
.fl-topnav-link:hover { background: var(--fl-elevated); color: var(--fl-text-1); }
.fl-topnav-link.active { background: rgba(31,111,235,0.12); color: var(--fl-accent); }
.fl-topnav-user {
    display: flex; align-items: center; gap: 8px;
    flex-shrink: 0; font-size: 12px; color: var(--fl-text-2);
}
.fl-topnav-username { color: var(--fl-text-1); font-weight: 500; }
.fl-topnav-logout {
    background: transparent; border: 1px solid var(--fl-border-strong);
    color: var(--fl-text-2); cursor: pointer;
    padding: 4px 10px; font-size: 11.5px; font-weight: 500;
    border-radius: 6px;
    transition: background 0.12s, color 0.12s;
}
.fl-topnav-logout:hover { background: var(--fl-elevated); color: var(--fl-text-1); }

/* ==================== APP SHELL (sidebar + main) ==================== */
.fl-shell {
    display: flex; flex: 1;
    min-height: calc(100vh - var(--fl-topnav-h));
}

.fl-sidebar {
    width: var(--fl-sidebar-w); flex-shrink: 0;
    background: var(--fl-canvas-deep);
    border-right: 1px solid var(--fl-border);
    display: flex; flex-direction: column;
    padding: 14px 10px;
}
.fl-sb-brand {
    display: flex; align-items: center; gap: 8px;
    padding: 8px 10px 18px;
}
.fl-sb-logo {
    width: 24px; height: 24px; border-radius: 6px;
    background: linear-gradient(135deg, var(--fl-accent), #0ea5e9);
    color: #fff; font-weight: 700; font-size: 12px;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.fl-sb-name { color: var(--fl-text-1); font-weight: 600; font-size: 13.5px; letter-spacing: -0.012em; }
.fl-sb-name-sub { color: var(--fl-text-3); font-weight: 500; }

.fl-sb-section {
    font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--fl-text-muted); padding: 14px 12px 6px; font-weight: 600;
}
.fl-sb-item {
    display: flex; align-items: center; gap: 9px;
    padding: 6px 10px; border-radius: 5px;
    color: var(--fl-text-2); font-size: 12.5px; font-weight: 500;
    cursor: pointer; margin-bottom: 1px; user-select: none;
    transition: background 0.12s, color 0.12s;
}
.fl-sb-item:hover { background: var(--fl-hover); color: var(--fl-text-1); }
.fl-sb-item.active { background: var(--fl-elevated); color: var(--fl-text-1); }
.fl-sb-item.active .fl-sb-icon { color: var(--fl-accent); }
.fl-sb-icon { font-size: 13px; color: var(--fl-text-3); width: 16px; text-align: center; flex-shrink: 0; }
.fl-sb-item-grow { flex: 1; }
.fl-sb-item-pill {
    background: var(--fl-accent); color: #fff; border-radius: 99px;
    font-size: 10px; padding: 1px 7px; font-weight: 700;
}

.fl-sb-foot {
    margin-top: auto; padding: 10px 8px 4px;
    border-top: 1px solid var(--fl-border);
    display: flex; align-items: center; gap: 8px;
}
.fl-sb-avatar {
    width: 26px; height: 26px; border-radius: 50%;
    background: linear-gradient(135deg, var(--fl-violet), #ec4899);
    color: #fff; font-size: 10px; font-weight: 600;
    display: flex; align-items: center; justify-content: center;
    flex-shrink: 0;
}
.fl-sb-userinfo { min-width: 0; flex: 1; }
.fl-sb-userinfo .name { color: var(--fl-text-1); font-size: 11.5px; font-weight: 500; line-height: 1.2; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.fl-sb-userinfo .role { color: var(--fl-text-3); font-size: 10px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }

/* ==================== MAIN + TOPBAR + STAGE ==================== */
.fl-main { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.fl-topbar {
    height: var(--fl-topbar-h); flex-shrink: 0;
    border-bottom: 1px solid var(--fl-border);
    padding: 0 22px;
    display: flex; align-items: center; gap: 10px;
}
.fl-crumb {
    display: flex; align-items: center; gap: 6px;
    font-size: 12.5px; color: var(--fl-text-3);
}
.fl-crumb b { color: var(--fl-text-1); font-weight: 500; }
.fl-crumb a { color: var(--fl-text-3); }
.fl-crumb a:hover { color: var(--fl-text-1); }
.fl-topbar-grow { flex: 1; }
.fl-topbar-actions { display: inline-flex; gap: 4px; }
.fl-icon-btn {
    width: 30px; height: 30px; border-radius: 6px;
    background: transparent; border: 1px solid transparent;
    color: var(--fl-text-2); cursor: pointer;
    display: inline-flex; align-items: center; justify-content: center;
    transition: background 0.12s, color 0.12s; font-size: 14px;
}
.fl-icon-btn:hover { background: var(--fl-elevated); color: var(--fl-text-1); }

.fl-stage {
    flex: 1; padding: 22px 28px; overflow-y: auto;
    background: var(--fl-canvas);
}
.fl-stage h1 { font-size: 22px; font-weight: 700; letter-spacing: -0.012em; margin: 0 0 4px; }
.fl-stage h2 { font-size: 16px; font-weight: 600; margin: 0 0 12px; }
.fl-stage h3 { font-size: 14px; font-weight: 600; margin: 0 0 8px; }
.fl-stage-sub { color: var(--fl-text-3); font-size: 13px; margin-bottom: 22px; }

.fl-sec-h {
    display: flex; align-items: baseline; justify-content: space-between;
    margin-bottom: 12px; gap: 12px;
}
.fl-sec-h h3 { margin: 0; }
.fl-sec-h .meta { font-size: 12px; color: var(--fl-text-3); }

/* ==================== BUTTONS ==================== */
.fl-btn {
    display: inline-flex; align-items: center; justify-content: center; gap: 6px;
    font-family: inherit; padding: 8px 14px;
    border-radius: 6px; border: 1px solid var(--fl-border-strong);
    background: transparent; color: var(--fl-text-1);
    font-size: 13px; font-weight: 500; cursor: pointer;
    transition: background 0.12s, border-color 0.12s, opacity 0.12s;
    white-space: nowrap;
}
.fl-btn:hover:not(:disabled) { background: var(--fl-elevated); }
.fl-btn:active:not(:disabled) { transform: translateY(1px); }
.fl-btn:disabled { opacity: 0.5; cursor: not-allowed; }
.fl-btn-primary {
    background: linear-gradient(180deg, var(--fl-accent), #1c64d6);
    border-color: transparent; color: #fff; font-weight: 600;
}
.fl-btn-primary:hover:not(:disabled) { background: linear-gradient(180deg, #2f7ffb, var(--fl-accent)); }
.fl-btn-secondary {
    background: var(--fl-elevated); border-color: var(--fl-border-strong);
}
.fl-btn-ghost { border-color: transparent; background: transparent; color: var(--fl-text-2); }
.fl-btn-ghost:hover:not(:disabled) { background: var(--fl-elevated); color: var(--fl-text-1); }
.fl-btn-danger:hover:not(:disabled) {
    background: rgba(248,81,73,0.15); border-color: rgba(248,81,73,0.35);
    color: var(--fl-danger);
}
.fl-btn-sm { padding: 5px 10px; font-size: 12px; }

/* ==================== INPUTS ==================== */
.fl-input, .fl-select, .fl-textarea {
    background: var(--fl-surface);
    border: 1px solid var(--fl-border-strong);
    color: var(--fl-text-1);
    padding: 8px 10px; border-radius: 6px;
    font-family: inherit; font-size: 13px;
    width: 100%;
}
.fl-input:focus, .fl-select:focus, .fl-textarea:focus {
    outline: none; border-color: var(--fl-accent);
    box-shadow: 0 0 0 3px rgba(31,111,235,0.15);
}
.fl-input::placeholder { color: var(--fl-text-3); }
.fl-textarea { min-height: 80px; resize: vertical; }
.fl-field { margin-bottom: 12px; }
.fl-field > label {
    display: block; font-size: 11px;
    color: var(--fl-text-3); text-transform: uppercase; letter-spacing: 0.05em;
    margin-bottom: 4px;
}
.fl-row { display: flex; gap: 10px; }
.fl-row > * { flex: 1; }

/* ==================== CARDS ==================== */
.fl-card {
    background: var(--fl-surface); border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-lg); padding: 16px;
}

/* ==================== STAT CARDS ==================== */
.fl-stats {
    display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 10px; margin-bottom: 22px;
}
.fl-stat {
    background: var(--fl-surface); border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius); padding: 14px;
}
.fl-stat .label {
    font-size: 11px; color: var(--fl-text-3);
    text-transform: uppercase; letter-spacing: 0.08em;
}
.fl-stat .value {
    font-size: 24px; font-weight: 700; margin-top: 4px;
    font-family: var(--fl-font-mono);
}
.fl-stat .value .of { font-size: 12px; color: var(--fl-text-3); font-family: var(--fl-font-sans); font-weight: 400; }
.fl-stat .sub { font-size: 11px; color: var(--fl-text-3); margin-top: 2px; }

/* ==================== TABLES ==================== */
.fl-tbl {
    background: var(--fl-surface); border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius); overflow: hidden;
}
.fl-tbl table { width: 100%; border-collapse: collapse; }
.fl-tbl th {
    text-align: left; font-size: 10px; text-transform: uppercase;
    letter-spacing: 0.08em; color: var(--fl-text-3); font-weight: 600;
    padding: 10px 14px; border-bottom: 1px solid var(--fl-border);
    background: var(--fl-canvas-deep);
}
.fl-tbl td { font-size: 13px; padding: 12px 14px; border-bottom: 1px solid var(--fl-border); }
.fl-tbl tr:last-child td { border-bottom: 0; }
.fl-tbl tr:hover td { background: var(--fl-hover); }

/* ==================== BADGES + PILLS ==================== */
.fl-badge {
    display: inline-block; font-size: 10px; padding: 2px 7px;
    border-radius: 6px; font-weight: 600;
}
.fl-badge-accent { background: rgba(31,111,235,0.18); color: var(--fl-accent-hover); }
.fl-badge-success { background: rgba(34,197,94,0.15); color: var(--fl-success); }
.fl-badge-warning { background: rgba(210,153,34,0.18); color: #fbbf24; }
.fl-badge-danger  { background: rgba(248,81,73,0.15); color: var(--fl-danger); }
.fl-badge-violet  { background: rgba(168,85,247,0.18); color: #c084fc; }
.fl-badge-neutral { background: var(--fl-elevated); color: var(--fl-text-2); border: 1px solid var(--fl-border-strong); }

/* ==================== PILL NAV (sub-navs) ==================== */
.fl-pill-nav {
    display: inline-flex; gap: 4px; padding: 4px;
    background: var(--fl-surface); border: 1px solid var(--fl-border);
    border-radius: 8px; margin-bottom: 14px;
}
.fl-pill {
    padding: 6px 14px; border-radius: 5px;
    color: var(--fl-text-2); font-size: 12.5px; font-weight: 500;
    background: transparent;
    transition: background 0.12s, color 0.12s;
}
.fl-pill:hover { background: var(--fl-elevated); color: var(--fl-text-1); }
.fl-pill.active { background: var(--fl-accent); color: #fff; font-weight: 600; }

/* ==================== MODALS ==================== */
.fl-modal-bd {
    position: fixed; inset: 0; z-index: 999;
    background: rgba(0,0,0,0.7); backdrop-filter: blur(6px);
    display: flex; align-items: center; justify-content: center;
    padding: 20px;
}
.fl-modal {
    background: var(--fl-surface); border: 1px solid var(--fl-border);
    border-radius: var(--fl-radius-lg); padding: 22px;
    max-width: 480px; width: 100%; max-height: 90vh; overflow-y: auto;
    box-shadow: var(--fl-shadow-lg);
}
.fl-modal h3 { font-size: 17px; font-weight: 700; margin-bottom: 12px; }
.fl-modal-actions { display: flex; gap: 8px; margin-top: 14px; justify-content: flex-end; }

/* ==================== UTILITIES ==================== */
.fl-mono { font-family: var(--fl-font-mono); }
.fl-muted { color: var(--fl-text-3); }
.fl-error { color: var(--fl-danger); font-size: 12px; margin-top: 8px; }
.fl-empty {
    text-align: center; padding: 40px 20px;
    color: var(--fl-text-3); font-size: 13px;
}

/* ==================== TOAST ==================== */
.fl-toasts {
    position: fixed; bottom: 20px; right: 20px; z-index: 5000;
    display: flex; flex-direction: column; gap: 8px;
}
.fl-toast {
    background: var(--fl-surface); border: 1px solid var(--fl-border);
    padding: 12px 16px; border-radius: 8px;
    font-size: 13px; color: var(--fl-text-1);
    box-shadow: var(--fl-shadow);
    animation: fl-toast-in 0.2s ease-out;
}
@keyframes fl-toast-in { from { transform: translateY(10px); opacity: 0; } to { transform: none; opacity: 1; } }
.fl-toast.ok { border-left: 3px solid var(--fl-success); }
.fl-toast.err { border-left: 3px solid var(--fl-danger); }
.fl-toast.warn { border-left: 3px solid var(--fl-warning); }

/* ==================== RESPONSIVE (sidebar colapsa) ==================== */
@media (max-width: 767px) {
    .fl-sidebar { width: 56px; padding: 14px 4px; }
    .fl-sb-brand .fl-sb-name,
    .fl-sb-section,
    .fl-sb-item-grow,
    .fl-sb-userinfo { display: none; }
    .fl-sb-item { justify-content: center; padding: 8px 0; }
    .fl-sb-foot { justify-content: center; }
    .fl-stage { padding: 16px; }
}