/* ═══════════════════════════════════════════════
   TRAVELLER MANAGEMENT SYSTEM — Shared Base CSS
   Unified design tokens, reset, and components.
   Import this in every app before local overrides.
   ═══════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=IBM+Plex+Mono:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300;1,400;1,500;1,600;1,700&display=swap');

/* ── DESIGN TOKENS ── */
:root {
    /* --- FONT CONFIGURATION (Change here to switch font) --- */
    --font-main: 'IBM Plex Mono', 'Courier New', Courier, monospace;
    /* To revert to original Courier New, comment out the line above and uncomment the line below: */
    /* --font-main: 'Courier New', Courier, monospace; */

    --bg: #121212;
    --panel: #1c1c1c;
    --cyan: #3ec1d3;
    --hi: #ffcc00;
    --amber: #ffaa00;
    --red: #ff3333;
    --green: #00ff66;
    --mag: #ff00ff;
    --text: #e4e4e7;
    --border: #2d2d2d;
    --hex-border: #44444c;
    --gas: #aaccff;
    --dim: #a1a1aa;
    --error: #ff4b4b;
    --input-bg: #121212;
    --input-text: #e4e4e7;
    --btn-text: #000;
    --btn-sec-bg: #282828;
    --btn-sec-text: #e4e4e7;
    --card-bg: #181818;
    --card-border: #2d2d2d;
    --modal-bg: rgba(20,20,20,0.9);
    --nav-bg: rgba(28,28,28,0.85);
    --nav-dropdown-bg: rgba(28,28,28,0.95);
    --nav-link: #d4d4d8;
    --workspace-bg: radial-gradient(circle at center, #1c1c1c 0%, #121212 100%);
    --hex-bg: #222222;
    --hex-hover: #2d2d2d;
    --text-strong: #ffffff;
    --text-shadow: 0 0 4px #000, 0 0 8px #000;
    --hex-active-bg: rgba(255,204,0,0.08);
    --hex-active-shadow: 0 0 20px rgba(255,204,0,0.6), inset 0 0 15px rgba(255,204,0,0.15);
    --hex-active-border: var(--hi);
    --nav-hover-bg: rgba(0,242,255,0.15);
    --nav-hover-shadow: 0 0 10px rgba(0,242,255,0.2);
    --h2-hover: #ffffff;
}

/* Light Theme Overrides */
body.theme-light {
    --bg: #f8fafc;
    --panel: #ffffff;
    --cyan: #0284c7;
    --hi: #0ea5e9;
    --amber: #f59e0b;
    --red: #dc2626;
    --green: #16a34a;
    --mag: #9333ea;
    --text: #334155;
    --border: #cbd5e1;
    --hex-border: var(--border);
    --gas: #0284c7;
    --dim: #64748b;
    --error: #ef4444;
    --input-bg: #f1f5f9;
    --input-text: #0f172a;
    --btn-text: #ffffff;
    --btn-sec-bg: #f1f5f9;
    --btn-sec-text: #475569;
    --card-bg: #ffffff;
    --card-border: #e2e8f0;
    --modal-bg: rgba(255,255,255,0.9);
    --nav-bg: rgba(255,255,255,0.95);
    --nav-dropdown-bg: #ffffff;
    --nav-link: #334155;
    --workspace-bg: #f8fafc;
    --hex-bg: #ffffff;
    --hex-hover: #f1f5f9;
    --text-strong: #0f172a;
    --text-shadow: none;
    --hex-active-bg: rgba(14, 165, 233, 0.1);
    --hex-active-shadow: 0 0 15px rgba(14, 165, 233, 0.4), inset 0 0 10px rgba(14, 165, 233, 0.1);
    --hex-active-border: var(--hi);
    --nav-hover-bg: rgba(2, 132, 199, 0.15);
    --nav-hover-shadow: 0 0 10px rgba(2, 132, 199, 0.2);
    --h2-hover: #0369a1;
}

/* Rulebook Theme Overrides */
body.theme-rulebook {
    --bg: #eef0f2;
    --panel: #f8f9fa;
    --cyan: #e62222; /* Classic Traveller Red */
    --hi: #ff5a00; /* Classic Traveller Orange */
    --amber: #ffaa00;
    --red: #d32f2f;
    --green: #2e7d32;
    --mag: #78909c; /* Steel gray */
    --text: #212121;
    --border: #b0bec5; /* Silver border */
    --hex-border: var(--border);
    --gas: #546e7a;
    --dim: #607d8b;
    --error: #c62828;
    --input-bg: #ffffff;
    --input-text: #212121;
    --btn-text: #ffffff;
    --btn-sec-bg: #cfd8dc;
    --btn-sec-text: #37474f;
    --card-bg: #ffffff;
    --card-border: #ff5a00; /* Orange border like rulebook blocks */
    --modal-bg: rgba(238, 240, 242, 0.9);
    --nav-bg: #ffffff; /* Crisp white nav bar */
    --nav-dropdown-bg: #ffffff;
    --nav-link: #212121;
    --workspace-bg: #e0e0e0; /* Gray metallic background */
    --hex-bg: #ffffff;
    --hex-hover: #f5f5f5;
    --text-strong: #000000;
    --text-shadow: none;
    --hex-active-bg: rgba(255, 90, 0, 0.15);
    --hex-active-shadow: 0 0 15px rgba(255, 90, 0, 0.5), inset 0 0 10px rgba(255, 90, 0, 0.2);
    --hex-active-border: #ff5a00;
    --nav-hover-bg: rgba(230, 34, 34, 0.15);
    --nav-hover-shadow: 0 0 10px rgba(230, 34, 34, 0.2);
    --h2-hover: #b71c1c;
}

/* ── RESET & BASE ── */
*, *::before, *::after { box-sizing: border-box; }

/* ── SCROLLBAR ── */
*::-webkit-scrollbar { width: 6px; height: 6px; }
*::-webkit-scrollbar-track { background: var(--bg); }
*::-webkit-scrollbar-thumb {
    background: var(--border); border-radius: 3px;
    border: 1px solid var(--panel);
}
*::-webkit-scrollbar-thumb:hover { background: var(--dim); border-color: var(--cyan); }
*::-webkit-scrollbar-corner { background: var(--bg); }
/* Global fallback */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; border: 1px solid var(--panel); }
/* Firefox */
* { scrollbar-width: thin; scrollbar-color: var(--border) var(--bg); }

body {
    margin: 0;
    height: 100vh;
    width: 100vw;
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-main);
    overflow: hidden;
    display: flex; /* Global flex layout for sidebar support */
}

/* Global sidebar swap utility */
body.layout-sidebar-right, 
body.layout-sidebar-right #app-container {
    flex-direction: row-reverse;
}
body.layout-sidebar-right #sidebar,
body.layout-sidebar-right #generator-sidebar {
    border-right: none;
    border-left: 1px solid var(--border);
}
body.layout-sidebar-right .sidebar-drag-handle {
    left: auto;
    right: 0;
}
body.layout-sidebar-right .app-nav {
    right: auto;
    left: 15px;
}
body.layout-sidebar-right .app-nav-dropdown {
    right: auto;
    left: 0;
}

/* ── TYPOGRAPHY ── */
h2 {
    font-size: 11px; color: var(--cyan); text-transform: uppercase;
    letter-spacing: 3px; margin: 0;
    border-left: 3px solid var(--cyan); padding-left: 10px;
    transition: color 0.2s;
}

label {
    display: block; font-size: 9px; color: #aaa;
    margin-bottom: 6px; text-transform: uppercase;
    font-weight: bold; margin-top: 10px;
}

/* ── FORM CONTROLS ── */
input, select, textarea {
    width: 100%; background: var(--input-bg); border: 1px solid var(--border); color: var(--input-text);
    padding: 10px; font-family: inherit; font-size: 11px;
    margin-bottom: 12px; box-sizing: border-box; outline: none;
}

select {
    color: var(--cyan);
}

/* ── BUTTONS ── */
.btn {
    background: var(--cyan); color: var(--btn-text); border: none; padding: 14px;
    font-weight: 800; cursor: pointer; text-transform: uppercase; width: 100%;
    font-size: 11px; letter-spacing: 1px; margin-bottom: 10px;
    font-family: inherit;
}

.btn-warn { background: var(--hi); color: var(--btn-text); }
.btn-danger { background: var(--red); color: #fff; }
.btn-sec { background: var(--btn-sec-bg); color: var(--btn-sec-text); margin-top: 5px; }
.btn-small { padding: 5px 10px; font-size: 9px; margin-bottom: 0; width: auto; }
.btn-del {
    border-color: var(--red); color: var(--red); background: transparent;
    border-width: 1px; border-style: solid;
}
.btn-del:hover { background: var(--red); color: #fff; }

.primary-btn {
    width: 100%; background: transparent; color: var(--cyan);
    border: 1px solid var(--cyan); padding: 15px; cursor: pointer;
    font-weight: bold; text-transform: uppercase; letter-spacing: 2px;
    font-family: inherit;
}

/* ── COLLAPSIBLE SECTIONS ── */
.section { margin-bottom: 20px; border-bottom: 1px solid var(--border); padding-bottom: 10px; }
.collapsible-head { display: flex; justify-content: space-between; align-items: center; cursor: pointer; padding: 10px 0; }
.collapsible-head:hover h2 { color: var(--h2-hover); }
.collapsible-content { display: block; }
.collapsed .collapsible-content { display: none; }
.toggle-icon::before { content: '▼'; font-size: 8px; color: var(--text); }
.collapsed .toggle-icon::before { content: '▶'; }

/* ── SIDEBAR (shared pattern) ── */
.sidebar {
    width: 380px;
    background: var(--panel);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 25px;
    box-sizing: border-box;
    overflow-y: auto;
    min-width: 280px;
    max-width: 600px;
    position: relative;
    flex-shrink: 0;
}

.page-title {
    font-size: 18px;
    font-weight: 900;
    color: var(--cyan);
    text-transform: uppercase;
    letter-spacing: 4px;
    margin: 0 0 20px 0;
    padding-bottom: 15px;
    border-bottom: 2px solid var(--border);
    font-family: var(--font-main);
    text-align: center;
}

.sidebar-drag-handle {
    position: absolute; left: 0; top: 0; bottom: 0; width: 5px;
    cursor: col-resize; background: transparent; z-index: 20;
}
.sidebar-drag-handle:hover, .sidebar-drag-handle.dragging {
    background: var(--cyan); opacity: 0.4;
}

/* ── NPC CARD COMPONENTS ── */
.npc-action-row { display: flex; gap: 8px; margin: 10px 0; }
.npc-action-row .btn { flex: 1; padding: 10px; font-size: 10px; }
.btn-npc-random { background: var(--hi); color: var(--btn-text); }
.btn-npc-create { background: var(--btn-sec-bg); color: var(--cyan); border: 1px solid var(--cyan); }
.btn-npc-create:hover { background: rgba(0,242,255,0.1); }

.npc-create-panel { display: none; margin-bottom: 10px; padding: 10px; background: var(--card-bg); border: 1px solid var(--border); }
.npc-create-panel.active { display: block; }
.npc-create-panel select { margin-bottom: 8px; }
.npc-create-panel label { margin-top: 5px; }

.npc-list-header {
    font-size: 9px; color: var(--dim); text-transform: uppercase; letter-spacing: 2px;
    margin: 15px 0 8px; border-top: 1px solid var(--border); padding-top: 10px;
}

.npc-card {
    background: var(--card-bg); border: 1px solid var(--card-border); padding: 10px; margin-bottom: 8px;
    font-family: var(--font-main); font-size: 10px; line-height: 1.6;
    color: var(--text); position: relative;
}
.npc-card:hover { border-color: var(--cyan); }
.npc-card-name {
    font-size: 12px; font-weight: 900; color: var(--cyan); text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 4px;
}
.npc-card-class { font-size: 9px; color: var(--hi); margin-bottom: 6px; }
.npc-card-stats { color: var(--dim); margin-bottom: 4px; }
.npc-card-stats b { color: var(--cyan); font-weight: 800; }
.npc-card-section { color: var(--dim); font-size: 9px; text-transform: uppercase; margin-top: 6px; letter-spacing: 1px; }
.npc-card-detail { color: var(--text); font-size: 9.5px; }
.npc-card-quirk { color: var(--amber); font-style: italic; font-size: 9px; margin-top: 4px; }

.npc-card-actions {
    display: flex; gap: 6px; margin-top: 8px; padding-top: 6px; border-top: 1px solid var(--border);
}
.npc-card-actions button {
    flex: 1; padding: 5px; font-size: 9px; font-weight: 800;
    text-transform: uppercase; cursor: pointer; letter-spacing: 0.5px;
    width: auto; margin-bottom: 0; font-family: inherit;
}
.npc-card-actions .npc-btn-name { background: var(--btn-sec-bg); color: var(--cyan); border: 1px solid var(--card-border); }
.npc-card-actions .npc-btn-reroll { background: var(--btn-sec-bg); color: var(--hi); border: 1px solid var(--card-border); }
.npc-card-actions .npc-btn-vault { background: var(--btn-sec-bg); color: var(--hi); border: 1px solid var(--card-border); }
.npc-card-actions .npc-btn-del {
    background: transparent; color: var(--red); border: 1px solid var(--red); flex: 0.5;
}
.npc-card-actions .npc-btn-del:hover { background: var(--red); color: #fff; }
.npc-empty { color: var(--dim); font-size: 10px; font-style: italic; padding: 10px 0; }
.npc-name-input {
    background: var(--input-bg); border: 1px solid var(--cyan); color: var(--cyan);
    font-size: 11px; font-weight: 900; text-transform: uppercase;
    letter-spacing: 1px; padding: 4px 8px; width: 100%; box-sizing: border-box;
    margin-bottom: 4px;
}

/* ── NPC WINDOW (Vault workspace) ── */
.npc-window {
    background: var(--modal-bg); border: 1px solid var(--border);
    width: 440px; display: flex; flex-direction: column;
    box-shadow: 0 15px 35px rgba(0,0,0,0.6);
}
.window-header {
    background: var(--border); color: var(--cyan); padding: 8px 12px;
    display: flex; justify-content: space-between; font-size: 0.8em;
}
.window-content {
    padding: 18px; white-space: pre-wrap; font-size: 0.9em;
    line-height: 1.5; color: var(--dim);
}
.window-content b {
    color: var(--text-strong);
}
.window-footer {
    padding: 10px; border-top: 1px solid var(--border);
    display: flex; align-items: center; gap: 6px;
    background: var(--btn-sec-bg);
}
.window-footer input {
    background: var(--input-bg); border: 1px solid var(--border); color: var(--cyan);
    padding: 6px; font-size: 0.85em; flex: 1; min-width: 0;
}
.window-footer button {
    background: var(--bg); border: 1px solid var(--border); color: var(--cyan);
    width: 34px; height: 34px; flex-shrink: 0;
    display: flex; justify-content: center; align-items: center; cursor: pointer;
}

/* ── DOCK TRAY ── */
.npc-card.pinned { opacity: 0.4; border-style: dashed; }
.npc-card.pinned .npc-card-actions { display: none; }
.npc-card.pinned::after {
    content: '📌 DOCKED BELOW'; display: block;
    text-align: center; font-size: 9px; color: var(--hi);
    margin-top: 6px; letter-spacing: 1px;
}

/* ── MODAL OVERLAY ── */
.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%;
    background: var(--modal-bg); display: none;
    justify-content: center; align-items: center; z-index: 1000;
}
.modal-box {
    background: var(--panel); border: 1px solid var(--cyan);
    width: 500px; max-height: 80vh; display: flex; flex-direction: column;
    box-shadow: 0 0 50px rgba(0,242,255,0.2);
}
.modal-header {
    padding: 15px; border-bottom: 1px solid var(--border);
    display: flex; justify-content: space-between; align-items: center;
}
.modal-body { flex-grow: 1; overflow-y: auto; padding: 10px; }

/* ── VAULT LIBRARY TREE ── */
.lib-item { display: flex; align-items: center; padding: 4px 8px; font-size: 0.9em; cursor: pointer; }
.lib-item:hover { background: rgba(0, 242, 255, 0.05); }
.lib-item.folder { user-select: none; color: var(--cyan); font-weight: bold; justify-content: flex-start; }
.lib-item.folder:not(.collapsed) { font-weight: normal; }
.lib-item.folder:before {
    content: "-"; display: inline-block; color: var(--dim);
    font-family: monospace; font-weight: bold; width: 15px; margin-right: 5px;
}
.lib-item.folder.collapsed:before { content: "+"; }
.lib-item.file { justify-content: flex-start; color: var(--dim); }
.lib-item.file span { margin-left: 10px; }
.lib-children.hidden { display: none; }

.del-f {
    background: transparent; border: none; color: var(--dim); cursor: pointer;
    font-size: 0.8em; padding: 2px 6px; opacity: 0.4;
    transition: opacity 0.2s, color 0.2s; margin-left: auto;
}
.del-f:hover { color: var(--error); opacity: 1; }

/* ── APP NAVIGATOR ── */
.app-nav { position: fixed; top: 15px; right: 15px; z-index: 10000; }
.app-nav-btn {
    background: var(--nav-bg); border: 1px solid var(--cyan); color: var(--cyan);
    padding: 6px 14px; font-family: var(--font-main); font-size: 11px;
    font-weight: 900; text-transform: uppercase; letter-spacing: 1px; cursor: pointer;
    border-radius: 4px; backdrop-filter: blur(5px); display: flex; align-items: center; gap: 8px;
    transition: 0.2s;
}
.app-nav-btn::after { content: '▼'; font-size: 8px; }
.app-nav-btn:hover { background: var(--nav-hover-bg); box-shadow: var(--nav-hover-shadow); }
.app-nav-dropdown {
    display: none; position: absolute; top: 100%; right: 0; margin-top: 5px;
    background: var(--nav-dropdown-bg); border: 1px solid var(--border); border-radius: 4px;
    backdrop-filter: blur(10px); min-width: 160px; box-shadow: 0 4px 15px rgba(0,0,0,0.5); overflow: hidden;
}
.app-nav.open .app-nav-dropdown { display: flex; flex-direction: column; }
.app-nav-link {
    color: var(--nav-link); padding: 12px 15px; text-decoration: none; font-family: var(--font-main);
    font-size: 11px; text-transform: uppercase; font-weight: bold; transition: 0.2s; border-bottom: 1px solid var(--border);
}
.app-nav-link:last-child { border-bottom: none; }
.app-nav-link:hover { background: rgba(0,242,255,0.1); color: var(--cyan); padding-left: 20px; }

/* ── THEME PICKER ── */
.theme-picker {
    display: flex; gap: 15px; padding: 12px 15px; justify-content: center;
    border-bottom: 1px solid var(--border); background: var(--nav-dropdown-bg);
}
.theme-picker:last-child { border-bottom: none; }
.theme-circle {
    width: 18px; height: 18px; border-radius: 50%; cursor: pointer;
    transition: 0.2s; box-sizing: border-box; position: relative;
}
.theme-circle:hover { transform: scale(1.2); }
.theme-circle.active { outline: 2px solid var(--cyan); outline-offset: 2px; }

.tc-dark { background: #121212; border: 2px solid #3ec1d3; }
.tc-light { background: #f8fafc; border: 2px solid #0284c7; }
.tc-rulebook { background: #eef0f2; border: 2px solid #e62222; }

/* ── MOBILE RESPONSIVENESS ── */
@media (max-width: 768px) {
    body {
        flex-direction: column !important;
        overflow-y: auto !important;
    }
    .sidebar {
        width: 100% !important;
        max-width: 100% !important;
        height: auto !important;
        position: relative !important;
        border-right: none;
        border-bottom: 1px solid var(--border);
        padding: 15px !important;
    }
    .app-nav {
        top: 10px;
        right: 10px;
    }
    .npc-card-actions button {
        padding: 10px !important;
        font-size: 11px !important;
    }
}