/* ============================================================
   DESIGN TOKENS — DARK (default)
   ============================================================ */
:root,
[data-theme="dark"] {
    --c-bg:          #0b0f19;
    --c-surface:     #111827;
    --c-surface-2:   #1f2937;
    --c-surface-3:   #263044;
    --c-border:      #374151;
    --c-text:        #f3f4f6;
    --c-text-muted:  #9ca3af;
    --c-accent:      #06b6d4;
    --c-accent-h:    #22d3ee;
    --c-emerald:     #10b981;
    --c-code-bg:     #030712;
    --c-code-text:   #06b6d4;
    --c-nav-bg:      rgba(17,24,39,.9);
    --c-shadow:      rgba(0,0,0,.4);
    --font-mono: 'Fira Code', monospace;
    --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
}

/* ============================================================
   DESIGN TOKENS — LIGHT
   ============================================================ */
[data-theme="light"] {
    --c-bg:          #f0f4f8;
    --c-surface:     #ffffff;
    --c-surface-2:   #f1f5f9;
    --c-surface-3:   #e9f0f8;
    --c-border:      #d1d9e0;
    --c-text:        #0f172a;
    --c-text-muted:  #64748b;
    --c-accent:      #0284c7;
    --c-accent-h:    #0369a1;
    --c-emerald:     #059669;
    --c-code-bg:     #f8fafc;
    --c-code-text:   #0284c7;
    --c-nav-bg:      rgba(255,255,255,.92);
    --c-shadow:      rgba(0,0,0,.08);
}

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

body {
    background-color: var(--c-bg);
    font-family: var(--font-sans);
    color: var(--c-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    transition: background-color .25s ease, color .25s ease;
    margin: 0;
}

main { flex: 1; }

.max-w-custom { max-width: 960px; }

/* ============================================================
   UTILITIES
   ============================================================ */
.text-cyan    { color: var(--c-accent) !important; }
.text-emerald { color: var(--c-emerald) !important; }
.text-primary-custom { color: var(--c-text) !important; }
.text-muted-custom   { color: var(--c-text-muted) !important; }
.font-monospace      { font-family: var(--font-mono) !important; }

.fs-7 {
    font-size: .8125rem;
    letter-spacing: .4px;
}

.shadow-custom {
    box-shadow: 0 4px 20px var(--c-shadow);
}

/* ============================================================
   NAVBAR
   ============================================================ */
.top-nav {
    background-color: var(--c-nav-bg);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--c-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.top-nav .container { max-width: 960px; margin: auto; }

.nav-badge {
    background: color-mix(in srgb, var(--c-accent) 15%, transparent);
    color: var(--c-accent);
    border: 1px solid color-mix(in srgb, var(--c-accent) 40%, transparent);
    border-radius: 6px;
    padding: 2px 8px;
    font-size: .75rem;
}

.badge-emerald {
    background: color-mix(in srgb, var(--c-emerald) 15%, transparent);
    color: var(--c-emerald);
    border: 1px solid color-mix(in srgb, var(--c-emerald) 40%, transparent);
    display: inline-block;
    font-size: .75rem;
}

.badge-neutral {
    background: var(--c-surface-2);
    color: var(--c-text-muted);
    border: 1px solid var(--c-border);
    display: inline-block;
}

/* Theme Toggle Button */
.btn-toggle-theme {
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    color: var(--c-text);
    cursor: pointer;
    transition: border-color .2s, box-shadow .2s;
    border-radius: 999px;
    padding: 5px 14px;
    font-size: .8125rem;
}

.btn-toggle-theme:hover {
    border-color: var(--c-accent);
    box-shadow: 0 0 10px color-mix(in srgb, var(--c-accent) 25%, transparent);
}

.icon-sun { color: #f59e0b; }

/* ============================================================
   CARDS / SURFACES
   ============================================================ */
.card-surface {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 16px;
    transition: border-color .25s, background .25s;
}

.surface-inset {
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
}

/* ============================================================
   CRON INPUT
   ============================================================ */
.cron-input {
    font-size: 2.1rem;
    font-family: var(--font-mono);
    font-weight: 600;
    text-align: center;
    background: var(--c-code-bg);
    border: 2px solid var(--c-border);
    color: var(--c-accent);
    letter-spacing: 6px;
    padding: .9rem 1rem;
    border-radius: 12px;
    outline: none;
    transition: border-color .25s, box-shadow .25s;
    display: block;
}

.cron-input:focus {
    border-color: var(--c-accent);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--c-accent) 18%, transparent);
}

.cron-input::placeholder { color: var(--c-text-muted); letter-spacing: 4px; font-size: 1.8rem; }

/* ============================================================
   BREAKDOWN BADGES
   ============================================================ */
.field-badge {
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    border-radius: 8px;
    padding: 6px 14px;
    text-align: center;
    min-width: 90px;
    transition: all .2s;
}

.field-badge .field-name {
    display: block;
    font-size: .68rem;
    text-transform: uppercase;
    color: var(--c-text-muted);
    font-weight: 600;
    letter-spacing: .5px;
}

.field-badge .field-val {
    display: block;
    font-family: var(--font-mono);
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--c-accent);
}

/* ============================================================
   TRANSLATION BOX
   ============================================================ */
.translation-box {
    background: var(--c-surface-2);
    border: 1px dashed var(--c-border);
}

.human-readable {
    font-size: 1.4rem;
    font-weight: 600;
    min-height: 2.1rem;
    color: var(--c-accent);
}

/* ============================================================
   NAVIGATION TABS
   ============================================================ */
.custom-nav-tabs .nav-link {
    color: var(--c-text-muted);
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 10px;
    padding: 9px 18px;
    font-weight: 500;
    font-size: .9rem;
    transition: all .2s;
    cursor: pointer;
}

.custom-nav-tabs .nav-link:hover {
    color: var(--c-text);
    border-color: var(--c-accent);
}

.custom-nav-tabs .nav-link.active {
    color: #fff;
    background: var(--c-accent);
    border-color: var(--c-accent);
    font-weight: 600;
    box-shadow: 0 4px 14px color-mix(in srgb, var(--c-accent) 35%, transparent);
}

/* ============================================================
   BUILDER FIELD CARDS
   ============================================================ */
.builder-field-card {
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    min-height: 138px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    transition: border-color .2s;
}

.builder-field-card:focus-within { border-color: var(--c-accent); }

/* ============================================================
   FORM CONTROLS (select, input) — fully themed
   ============================================================ */
.field-select,
.field-input {
    background: var(--c-surface);
    color: var(--c-text);
    border: 1px solid var(--c-border);
    border-radius: 6px;
    padding: 5px 10px;
    font-size: .875rem;
    font-family: var(--font-sans);
    outline: none;
    width: 100%;
    transition: border-color .2s;
    appearance: auto;
}

.field-select:focus,
.field-input:focus {
    border-color: var(--c-accent);
    box-shadow: 0 0 0 2px color-mix(in srgb, var(--c-accent) 15%, transparent);
}

.field-input::placeholder { color: var(--c-text-muted); }

/* Select arrow color fix for both themes */
.field-select option {
    background: var(--c-surface);
    color: var(--c-text);
}

/* ============================================================
   PRESETS SECTION
   ============================================================ */
.search-preset-wrapper { min-width: 240px; }

.search-preset-wrapper .search-icon {
    position: absolute;
    top: 50%; left: 10px;
    transform: translateY(-50%);
    pointer-events: none;
    color: var(--c-text-muted);
}

.btn-category {
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    color: var(--c-text-muted);
    border-radius: 20px;
    padding: 5px 14px;
    font-size: .85rem;
    cursor: pointer;
    transition: all .2s;
}

.btn-category:hover {
    color: var(--c-text);
    border-color: var(--c-accent);
}

.btn-category.active {
    background: color-mix(in srgb, var(--c-accent) 15%, transparent);
    color: var(--c-accent);
    border-color: var(--c-accent);
    font-weight: 600;
}

.preset-card {
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    padding: 14px;
    cursor: pointer;
    transition: all .25s;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.preset-card:hover {
    border-color: var(--c-accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px var(--c-shadow);
}

.preset-card h6 { color: var(--c-text); }
.preset-card p  { color: var(--c-text-muted); }

.preset-cron {
    font-family: var(--font-mono);
    color: var(--c-accent);
    font-weight: 600;
    background: var(--c-code-bg);
    border: 1px solid var(--c-border);
    padding: 2px 8px;
    border-radius: 6px;
    display: inline-block;
    font-size: .85rem;
}

.preset-cat-badge {
    background: var(--c-surface-3);
    color: var(--c-text-muted);
    border: 1px solid var(--c-border);
    border-radius: 4px;
    padding: 1px 7px;
    font-size: .7rem;
    text-transform: uppercase;
    letter-spacing: .4px;
}

/* ============================================================
   SCRIPT GENERATOR
   ============================================================ */
.btn-target {
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    color: var(--c-text-muted);
    border-radius: 8px;
    padding: 6px 12px;
    font-size: .8125rem;
    cursor: pointer;
    transition: all .2s;
}

.btn-target:hover {
    color: var(--c-text);
    border-color: var(--c-border);
}

.btn-target.active {
    background: var(--c-accent);
    color: #fff;
    border-color: var(--c-accent);
    font-weight: 600;
}

.code-block-wrapper {
    border: 1px solid var(--c-border);
    border-radius: 10px;
    overflow: hidden;
}

.code-header {
    background: var(--c-surface-2);
    border-bottom: 1px solid var(--c-border);
}

.code-body {
    background: var(--c-code-bg);
    color: var(--c-code-text);
    padding: 1rem;
    max-height: 360px;
    overflow: auto;
    white-space: pre;
    line-height: 1.55;
    margin: 0;
}

/* ============================================================
   EXECUTION LIST
   ============================================================ */
.execution-list { padding: 0; margin: 0; list-style: none; }

.execution-list li {
    background: var(--c-surface-2);
    border: 1px solid var(--c-border);
    color: var(--c-text);
    margin-bottom: 8px;
    border-radius: 10px;
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 6px;
    transition: all .2s;
}

@media (min-width: 576px) {
    .execution-list li {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.execution-list li:hover {
    border-color: var(--c-accent);
    background: color-mix(in srgb, var(--c-accent) 5%, var(--c-surface-2));
}

.badge-time {
    background: color-mix(in srgb, var(--c-accent) 12%, transparent);
    color: var(--c-accent);
    border: 1px solid color-mix(in srgb, var(--c-accent) 30%, transparent);
    font-family: var(--font-mono);
    border-radius: 999px;
    padding: 3px 12px;
    font-size: .875rem;
}

.badge-relative {
    background: color-mix(in srgb, var(--c-emerald) 12%, transparent);
    color: var(--c-emerald);
    border: 1px solid color-mix(in srgb, var(--c-emerald) 30%, transparent);
    border-radius: 999px;
    padding: 3px 10px;
    font-size: .75rem;
}

.run-index {
    background: var(--c-surface-3);
    color: var(--c-text-muted);
    border: 1px solid var(--c-border);
    border-radius: 5px;
    padding: 1px 7px;
    font-size: .75rem;
    font-family: var(--font-mono);
    margin-right: 10px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-outline-accent {
    background: transparent;
    color: var(--c-accent);
    border: 1px solid color-mix(in srgb, var(--c-accent) 40%, transparent);
    border-radius: 6px;
    cursor: pointer;
    transition: all .2s;
}

.btn-outline-accent:hover {
    background: var(--c-accent);
    color: #fff;
    border-color: var(--c-accent);
}

.btn-accent {
    background: var(--c-accent);
    color: #fff;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-weight: 600;
    transition: all .2s;
}

.btn-accent:hover {
    background: var(--c-accent-h);
    box-shadow: 0 0 12px color-mix(in srgb, var(--c-accent) 40%, transparent);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
    background: var(--c-surface);
    border-top: 1px solid var(--c-border);
}

/* ============================================================
   TOAST
   ============================================================ */
.app-toast {
    background: var(--c-surface);
    border: 1px solid var(--c-border);
    border-radius: 12px;
    min-width: 260px;
    pointer-events: auto;
    display: none;
    opacity: 0;
    transition: opacity .25s;
}

.app-toast.show { display: block; opacity: 1; }

.toast-close {
    background: none;
    border: none;
    color: var(--c-text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    line-height: 1;
    padding: 0 4px;
}

/* ============================================================
   SCROLLBAR
   ============================================================ */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--c-bg); }
::-webkit-scrollbar-thumb { background: var(--c-border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--c-text-muted); }