/* ==========================================================================
   Core Variables & Base Styles
   ========================================================================== */
:root {
    /* ── Blue Ribbon Design Tokens (Tailwind Scale #3E50EB) ──────────────────── */
    --blue-ribbon-50:  #EFF0FE;
    --blue-ribbon-100: #D9DBFC;
    --blue-ribbon-200: #B8BBF9;
    --blue-ribbon-300: #999FF6;
    --blue-ribbon-400: #7C84F3;
    --blue-ribbon-500: #5E6AF0;
    --blue-ribbon-600: #3E50EB; /* Base Primary */
    --blue-ribbon-700: #243BD4; /* Hover */
    --blue-ribbon-750: #1D32B8; /* Intermediate */
    --blue-ribbon-800: #17289A; /* Active / Navbar Menu */
    --blue-ribbon-850: #111E74; /* Header Top Shell */
    --blue-ribbon-900: #0A145C;
    --blue-ribbon-950: #040A3B;

    /* ── Eucalyptus / Emerald Tokens (Tailwind Scale #519441) ────────────────── */
    --emerald-50:  #EBF6E9;
    --emerald-100: #D5EDD2;
    --emerald-200: #B9E2B0;
    --emerald-300: #93CF86;
    --emerald-400: #6EB75E;
    --emerald-500: #519441; /* Menu / Base Primary */
    --emerald-600: #407733; /* Hover */
    --emerald-700: #2F5A25;
    --emerald-750: #274C1E; /* Intermediate */
    --emerald-800: #1F3E17; /* Header Bottom Menu */
    --emerald-850: #152C12; /* Header Top Shell */
    --emerald-900: #0E2209;
    --emerald-950: #071204;

    /* ── Indigo / Purple Heart Tokens (Tailwind Scale #4F46E5) ────────────────── */
    --indigo-50:  #F0EFFD;
    --indigo-100: #DBDAFB;
    --indigo-200: #BAB8F7;
    --indigo-300: #9D9AF3;
    --indigo-400: #827EF0;
    --indigo-500: #6962EB;
    --indigo-600: #4F46E5; /* Base Primary */
    --indigo-700: #382ADC; /* Hover */
    --indigo-750: #2F23BE; /* Active Nav Item */
    --indigo-800: #261CA1; /* Header Bottom Menu */
    --indigo-850: #1C1482; /* Header Top Shell */
    --indigo-900: #130D62;
    --indigo-950: #090540;

    /* ── Eminence / Plum Luxury Tokens (Tailwind Scale #701A75) ──────────────── */
    --plum-50:  #FBECFD;
    --plum-100: #F6CEFA;
    --plum-200: #EF9EF6;
    --plum-300: #E96CF2;
    --plum-400: #D93BE2;
    --plum-500: #B32FBB;
    --plum-600: #902497;
    --plum-700: #701A75; /* Base Primary */
    --plum-750: #631667; /* Active Nav Item */
    --plum-800: #56125A; /* Header Bottom Menu */
    --plum-850: #450D49; /* Header Top Shell */
    --plum-900: #350838;
    --plum-950: #230324;

    /* ── Ebony Clay / Slate Enterprise Tokens (Tailwind Scale #1E293B) ────────── */
    --slate-50:  #EEF1F8;
    --slate-100: #D2DBEC;
    --slate-200: #A8B9DC;
    --slate-300: #809CCD;
    --slate-400: #6582B1;
    --slate-500: #516990;
    --slate-600: #3F5272;
    --slate-700: #2E3D55;
    --slate-750: #263348; /* Active Nav Item */
    --slate-800: #1E293B; /* Header Bottom Menu */
    --slate-850: #182232; /* Header Top Shell */
    --slate-900: #131B28;
    --slate-950: #0B111B;

    /* ── Cardinal / Royal Ruby Tokens (Tailwind Scale #BE123C) ───────────────── */
    --ruby-50:  #FEEDEE;
    --ruby-100: #FDD2D6;
    --ruby-200: #FCA7B0;
    --ruby-300: #FB7C8C;
    --ruby-400: #FB4866;
    --ruby-500: #E5184A;
    --ruby-600: #BE123C; /* Base Primary */
    --ruby-700: #9D0D30; /* Hover */
    --ruby-750: #870928; /* Active Nav Item */
    --ruby-800: #720620; /* Header Bottom Menu */
    --ruby-850: #5B0418; /* Header Top Shell */
    --ruby-900: #440210;
    --ruby-950: #2B0107;

    /* ── Active Theme Dynamic Scale Tokens (Callable via var(--theme-50..950)) ─── */
    --theme-50:  var(--blue-ribbon-50);
    --theme-100: var(--blue-ribbon-100);
    --theme-200: var(--blue-ribbon-200);
    --theme-300: var(--blue-ribbon-300);
    --theme-400: var(--blue-ribbon-400);
    --theme-500: var(--blue-ribbon-500);
    --theme-600: var(--blue-ribbon-600);
    --theme-700: var(--blue-ribbon-700);
    --theme-750: var(--blue-ribbon-750);
    --theme-800: var(--blue-ribbon-800);
    --theme-850: var(--blue-ribbon-850);
    --theme-900: var(--blue-ribbon-900);
    --theme-950: var(--blue-ribbon-950);

    /* ── Core Semantic Tokens ────────────────────────────────────────────────── */
    --primary: var(--theme-600);
    --primary-hover: var(--theme-700);
    --primary-active: var(--theme-800);
    --primary-light: var(--theme-50);
    --primary-border: var(--theme-200);
    --primary-focus: rgba(62, 80, 235, 0.25);
    --primary-rgb: 62, 80, 235;
    --sap-primary: var(--primary);
    --header-bg-top: var(--theme-850);
    --header-bg-bottom: var(--theme-800);
    --nav-item-active-bg: var(--theme-700);
    --nav-tab-active-border: var(--theme-600);

    --bg-color: #f4f6f9;
    --card-bg: #ffffff;
    --text-dark: #2c3e50;
    --text-muted: #7f8c8d;
    --success: #188038;
    --danger: #bb0000;
    --warning: #df730c;
    --border: #e2e8f0;

    /* Theme Design Tokens */
    --header-text: #ffffff;
    --header-text-muted: #cbd5e1;
    --header-hover-bg: rgba(255, 255, 255, 0.1);

    --dropdown-bg: #ffffff;
    --dropdown-text: #1e293b;
    --dropdown-hover-bg: rgba(62, 80, 235, 0.08);
    --dropdown-border: #e2e8f0;

    /* Button Tokens (Standardized to Blue Ribbon #3E50EB) */
    --btn-primary-bg: var(--primary);
    --btn-primary-hover: var(--primary-hover);
    --btn-primary-active: var(--primary-active);
    --btn-primary-text: #ffffff;
    --accent-color: var(--primary);

    /* Command Bar Theme Tokens */
    --cmd-bar-bg: rgba(255, 255, 255, 0.14);
    --cmd-bar-bg-hover: rgba(255, 255, 255, 0.2);
    --cmd-bar-bg-focus: rgba(255, 255, 255, 0.22);
    --cmd-bar-border: rgba(255, 255, 255, 0.25);
    --cmd-bar-border-focus: rgba(255, 255, 255, 0.55);
    --cmd-bar-focus-ring: rgba(255, 255, 255, 0.2);
    --cmd-bar-placeholder: rgba(255, 255, 255, 0.65);
    --cmd-bar-kbd-bg: rgba(255, 255, 255, 0.18);
    --cmd-bar-kbd-border: rgba(255, 255, 255, 0.25);
    --cmd-bar-kbd-text: rgba(255, 255, 255, 0.9);

    /* ── Standard Typography Tokens ─────────────────────────────────────────── */
    --font-family-base: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    --font-family-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', Menlo, Monaco, Courier, monospace;
}

body {
    font-family: var(--font-family-base);
    background-color: var(--bg-color);
    color: var(--text-dark);
    margin: 0;
    padding: 0;
    display: flex;
    justify-content: center;
}

button, input, select, optgroup, textarea {
    font-family: inherit;
}

code, kbd, samp, pre, .font-mono, .font-monospace {
    font-family: var(--font-family-mono);
}

.container {
    width: 100%;
    max-width: 800px;
    background: var(--card-bg);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

h1 {
    font-size: 24px;
    margin-top: 0;
    border-bottom: 2px solid var(--border);
    padding-bottom: 12px;
    color: var(--text-dark);
}

h2,
h3 {
    font-size: 18px;
    margin-top: 25px;
    border-bottom: 1px solid var(--border);
    padding-bottom: 8px;
}

.alert {
    padding: 15px;
    border-radius: 8px;
    margin-bottom: 20px;
    font-weight: 600;
}

.alert-success {
    background-color: #e8f8f0;
    color: var(--success);
    border: 1px solid #c2f0d5;
}

.alert-danger {
    background-color: #fdf2f2;
    color: var(--danger);
    border: 1px solid #f8d7da;
}

.form-group {
    margin-bottom: 20px;
}

label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    font-size: 14px;
}

input[type="text"],
input[type="password"],
textarea {
    width: 100%;
    padding: 10px 14px;
    box-sizing: border-box;
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 14px;
    transition: border-color 0.2s;
}

input[type="text"]:focus,
input[type="password"]:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
}

textarea {
    font-family: var(--font-family-mono);
    font-size: 13px;
    background-color: #fafafa;
}

.row {
    display: flex;
    gap: 15px;
}

.col {
    flex: 1;
}

.btn {
    background: var(--primary);
    color: white;
    border: none;
    padding: 12px 20px;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 600;
    transition: background 0.2s;
    display: inline-block;
    text-decoration: none;
    text-align: center;
}

.btn:hover {
    background: var(--primary-hover);
}

.btn-success {
    background: var(--success);
}

.btn-success:hover {
    background: #27ae60;
}

.btn-secondary {
    background: #95a5a6;
}

.btn-secondary:hover {
    background: #7f8c8d;
}

.btn-large {
    padding: 14px 28px;
    font-size: 16px;
    border-radius: 8px;
}

.debug-box {
    background: #1e1e1e;
    color: #d4d4d4;
    padding: 15px;
    border-radius: 8px;
    overflow-x: auto;
    font-family: var(--font-family-mono);
    font-size: 13px;
    white-space: pre-wrap;
    margin-bottom: 15px;
}

.result-box {
    background-color: #ffffff;
    color: #2c3e50;
    border: 2px solid #3498db;
    font-weight: bold;
}

.badge-token {
    background-color: #2d3748;
    color: #10b981;
    font-weight: bold;
}

.required {
    color: #ef4444;
    font-weight: bold;
}

.text-center {
    text-align: center;
}

.font-semibold {
    font-weight: 600;
}

.nav-links {
    margin-top: 30px;
    display: flex;
    justify-content: flex-end;
}