/* ===== RESET & BASE ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
    --bg:         #0a0d0a;
    --bg-surface: #0f1410;
    --bg-card:    #111811;
    --bg-hover:   #162016;
    --green:      #00e676;
    --green-dim:  #00b050;
    --green-glow: rgba(0, 230, 118, 0.15);
    --green-faint:#00e67615;
    --red:        #ff3d3d;
    --yellow:     #ffd600;
    --cyan:       #00e5ff;
    --text:       #c8d8c8;
    --text-muted: #6a8a6a;
    --text-dim:   #3a5a3a;
    --border:     #1e3a1e;
    --border-bright: #2a5a2a;
    --font-mono:  'JetBrains Mono', 'Courier New', monospace;
    --radius:     4px;
    --header-h:   56px;
    --sidebar-w:  320px;
    --transition: 150ms ease;
    /* Ad banner heights — overridden by PHP <style> injection when ads are enabled */
    --ad-top-h:    0px;
    --ad-bottom-h: 0px;
}

html { font-size: 16px; scroll-behavior: smooth; }

body {
    background: var(--bg);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.875rem;
    line-height: 1.6;
    min-height: 100vh;
}

a { color: var(--green); text-decoration: none; }
a:hover { color: #fff; text-decoration: underline; }

/* ===== SCROLLBAR ===== */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-bright); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-dim); }

/* ===== HEADER ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-h);
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 1px 20px rgba(0,230,118,0.05);
}
.header-inner {
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 100%;
    display: flex;
    align-items: center;
    gap: 2rem;
}
.logo {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--green);
    letter-spacing: -0.02em;
    text-decoration: none;
    white-space: nowrap;
}
.logo:hover { color: #fff; text-decoration: none; }
.logo-bracket { color: var(--text-muted); }
.logo-dot { color: var(--green); }
.site-nav { display: flex; gap: 0.25rem; margin-left: auto; }
.nav-link {
    padding: 0.4rem 0.85rem;
    color: var(--text-muted);
    border: 1px solid transparent;
    border-radius: var(--radius);
    transition: var(--transition);
    text-decoration: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.nav-link:hover, .nav-link.active {
    color: var(--green);
    border-color: var(--border-bright);
    background: var(--green-faint);
    text-decoration: none;
}
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 6px;
    margin-left: auto;
}
.nav-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--green);
    transition: var(--transition);
}

/* ===== AD BANNERS ===== */
.ad-banner {
    width: 100%;
    background: var(--bg-surface);
    border-bottom: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    flex-shrink: 0;
}
.ad-top {
    min-height: var(--ad-top-h);
}
/* Sticky footer ad — sits just above the site footer */
.ad-bottom {
    border-top: 1px solid var(--border);
    border-bottom: none;
    min-height: var(--ad-bottom-h);
    position: sticky;
    bottom: 0;
    z-index: 80;
}
/* Inline ad unit inside the left tool-list pane */
.ad-list-inline {
    padding: 0.5rem;
    border-bottom: 1px solid var(--border);
    background: var(--bg-surface);
    display: flex;
    justify-content: center;
}
/* Amazon affiliate link styling */
.tool-links { display: flex; flex-wrap: wrap; gap: 1rem; align-items: baseline; }
.tool-url-amazon {
    font-size: 0.78rem;
    color: #ff9900;
    border: 1px solid rgba(255,153,0,0.35);
    padding: 0.15rem 0.5rem;
    border-radius: 2px;
    background: rgba(255,153,0,0.06);
}
.tool-url-amazon:hover { color: #fff; border-color: #ff9900; text-decoration: none; }

/* ===== TWO-PANE LAYOUT ===== */
.two-pane {
    display: flex;
    height: calc(100vh - var(--header-h) - var(--ad-top-h));
    overflow: hidden;
}

/* Left pane */
.pane-left {
    width: var(--sidebar-w);
    min-width: var(--sidebar-w);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border);
    background: var(--bg-surface);
    overflow: hidden;
}
.pane-left-header {
    padding: 1rem;
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}
.search-wrap {
    position: relative;
    margin-bottom: 0.75rem;
}
.search-wrap::before {
    content: '>';
    position: absolute;
    left: 0.65rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--green-dim);
    font-size: 0.8rem;
    pointer-events: none;
}
#tool-search {
    width: 100%;
    padding: 0.5rem 0.75rem 0.5rem 1.75rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.8rem;
    outline: none;
    transition: var(--transition);
}
#tool-search::placeholder { color: var(--text-dim); }
#tool-search:focus { border-color: var(--green-dim); box-shadow: 0 0 0 2px var(--green-glow); }

.filter-row {
    display: flex;
    gap: 0.4rem;
    flex-wrap: wrap;
}
.filter-select {
    flex: 1;
    min-width: 0;
    padding: 0.35rem 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    outline: none;
    cursor: pointer;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236a8a6a'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0.5rem center;
    padding-right: 1.5rem;
}
.filter-select:focus { border-color: var(--green-dim); }

.tool-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    padding: 0.4rem 0;
    display: flex;
    align-items: center;
    gap: 0.4rem;
}
.tool-count::before { content: '#'; color: var(--green-dim); }

.tool-list {
    overflow-y: auto;
    flex: 1;
}
.tool-list-item {
    display: block;
    padding: 0.7rem 1rem;
    border-bottom: 1px solid var(--border);
    cursor: pointer;
    transition: background var(--transition);
    text-decoration: none;
    color: inherit;
}
.tool-list-item:hover { background: var(--bg-hover); text-decoration: none; }
.tool-list-item.active {
    background: var(--green-faint);
    border-left: 3px solid var(--green);
    padding-left: calc(1rem - 3px);
}
.tool-list-item .tli-name {
    color: var(--green);
    font-weight: 500;
    font-size: 0.85rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tool-list-item.active .tli-name { color: #fff; }
.tool-list-item .tli-meta {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.2rem;
    flex-wrap: wrap;
}

/* ===== RIGHT PANE ===== */
.pane-right {
    flex: 1;
    overflow-y: auto;
    background: var(--bg);
    position: relative;
}
.pane-right-inner {
    max-width: 900px;
    padding: 2rem 2.5rem;
}

.empty-state {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    min-height: 400px;
    color: var(--text-muted);
    gap: 0.75rem;
}
.empty-state .ascii {
    color: var(--text-dim);
    font-size: 0.75rem;
    line-height: 1.3;
    white-space: pre;
    text-align: center;
}
.empty-state p { font-size: 0.85rem; }

/* ===== TOOL DETAIL ===== */
.tool-detail { animation: fadeIn 0.15s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }

.tool-detail-header {
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--border);
}
.tool-detail-header h1 {
    font-size: 1.6rem;
    color: var(--green);
    font-weight: 700;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}
.tool-detail-header h1::before { content: '$ '; color: var(--text-dim); }
.tool-url {
    font-size: 0.8rem;
    color: var(--cyan);
    word-break: break-all;
}
.badge-row {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: 0.75rem;
}

/* ===== BADGES ===== */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.2rem 0.6rem;
    border-radius: 2px;
    font-size: 0.7rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    border: 1px solid currentColor;
}
.badge-free     { color: var(--green);  border-color: var(--green-dim);  background: rgba(0,230,118,0.08); }
.badge-os       { color: var(--cyan);   border-color: rgba(0,229,255,0.4); background: rgba(0,229,255,0.08); }
.badge-paid     { color: var(--red);    border-color: rgba(255,61,61,0.4);  background: rgba(255,61,61,0.08); }
.badge-freemium { color: var(--yellow); border-color: rgba(255,214,0,0.4);  background: rgba(255,214,0,0.08); }
.badge-kali     { color: #b388ff;       border-color: rgba(179,136,255,0.4); background: rgba(179,136,255,0.08); }
.badge-cat      { color: var(--text-muted); border-color: var(--border); background: transparent; font-size: 0.68rem; }

/* ===== TOOL SECTIONS ===== */
.tool-section { margin-bottom: 1.75rem; }
.tool-section-title {
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--text-muted);
    margin-bottom: 0.6rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tool-section-title::after {
    content: '';
    flex: 1;
    height: 1px;
    background: var(--border);
}
.tool-section p { color: var(--text); line-height: 1.7; }

.code-block {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--green-dim);
    border-radius: var(--radius);
    padding: 1rem 1.25rem;
    overflow-x: auto;
    position: relative;
}
.code-block pre {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    color: var(--green);
    white-space: pre;
    line-height: 1.6;
}
.code-block .copy-btn {
    position: absolute;
    top: 0.5rem;
    right: 0.5rem;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-family: var(--font-mono);
    font-size: 0.65rem;
    padding: 0.2rem 0.5rem;
    border-radius: var(--radius);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}
.code-block .copy-btn:hover { border-color: var(--green); color: var(--green); }
.code-block .copy-btn.copied { color: var(--green); border-color: var(--green); }

.keyword-list { display: flex; flex-wrap: wrap; gap: 0.4rem; }
.keyword {
    padding: 0.15rem 0.5rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: var(--text-muted);
    font-size: 0.72rem;
    border-radius: 2px;
    cursor: pointer;
    transition: var(--transition);
}
.keyword:hover { border-color: var(--green-dim); color: var(--green); }

/* ===== FORMS ===== */
.page-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}
.page-header {
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid var(--border);
}
.page-header h1 {
    font-size: 1.4rem;
    color: var(--green);
    margin-bottom: 0.4rem;
}
.page-header h1::before { content: '$ '; color: var(--text-dim); }
.page-header p { color: var(--text-muted); font-size: 0.85rem; }

.form-grid { display: grid; gap: 1.25rem; }
.form-group { display: flex; flex-direction: column; gap: 0.35rem; }
.form-group.half { grid-column: span 1; }
.form-grid-2 { grid-template-columns: 1fr 1fr; }

label {
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--text-muted);
}
label .required { color: var(--red); margin-left: 2px; }

input[type="text"],
input[type="url"],
input[type="email"],
textarea,
select {
    width: 100%;
    padding: 0.6rem 0.85rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: var(--font-mono);
    font-size: 0.85rem;
    outline: none;
    transition: border-color var(--transition), box-shadow var(--transition);
    -webkit-appearance: none;
}
input:focus, textarea:focus, select:focus {
    border-color: var(--green-dim);
    box-shadow: 0 0 0 2px var(--green-glow);
}
input::placeholder, textarea::placeholder { color: var(--text-dim); }
textarea { resize: vertical; min-height: 100px; }

.checkbox-group { display: flex; align-items: center; gap: 0.5rem; }
.checkbox-group label {
    text-transform: none;
    letter-spacing: normal;
    font-size: 0.85rem;
    color: var(--text);
    cursor: pointer;
}
input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--green);
    cursor: pointer;
    flex-shrink: 0;
}

.categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 0.4rem;
}
.cat-check { display: flex; align-items: center; gap: 0.4rem; cursor: pointer; }
.cat-check label {
    text-transform: none;
    letter-spacing: normal;
    font-size: 0.8rem;
    color: var(--text);
    cursor: pointer;
}

.form-hint {
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: 0.2rem;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 1.5rem;
    border: 1px solid;
    border-radius: var(--radius);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    font-weight: 500;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    transition: var(--transition);
    text-decoration: none;
    white-space: nowrap;
}
.btn-primary {
    background: var(--green);
    border-color: var(--green);
    color: #000;
}
.btn-primary:hover {
    background: #fff;
    border-color: #fff;
    color: #000;
    text-decoration: none;
}
.btn-ghost {
    background: transparent;
    border-color: var(--border-bright);
    color: var(--green);
}
.btn-ghost:hover {
    background: var(--green-faint);
    border-color: var(--green);
    text-decoration: none;
    color: var(--green);
}

/* ===== ALERTS ===== */
.alert {
    padding: 0.75rem 1rem;
    border-radius: var(--radius);
    border: 1px solid;
    font-size: 0.85rem;
    margin-bottom: 1.5rem;
}
.alert-success { border-color: var(--green-dim); background: rgba(0,230,118,0.08); color: var(--green); }
.alert-error   { border-color: rgba(255,61,61,0.4); background: rgba(255,61,61,0.08); color: var(--red); }
.alert::before { margin-right: 0.5rem; }
.alert-success::before { content: '[OK]'; }
.alert-error::before   { content: '[ERR]'; }

/* ===== ADMIN ===== */
.admin-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.82rem;
}
.admin-table th {
    text-align: left;
    padding: 0.5rem 0.75rem;
    border-bottom: 2px solid var(--border-bright);
    color: var(--text-muted);
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}
.admin-table td {
    padding: 0.6rem 0.75rem;
    border-bottom: 1px solid var(--border);
    vertical-align: top;
}
.admin-table tr:hover td { background: var(--bg-hover); }

/* ===== FOOTER ===== */
.site-footer {
    border-top: 1px solid var(--border);
    padding: 1.25rem 1.5rem;
    text-align: center;
}
.footer-copy { font-size: 0.78rem; color: var(--text-muted); }
.footer-copy a { color: var(--text-muted); }
.footer-copy a:hover { color: var(--green); }
.footer-disclaimer {
    font-size: 0.7rem;
    color: var(--text-dim);
    margin-top: 0.3rem;
}

/* ===== UTILITY ===== */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.loading { color: var(--text-muted); padding: 2rem; text-align: center; }
.loading::after { content: '...'; animation: dots 1s infinite; }
@keyframes dots { 0%,20% { content: '.'; } 40%,60% { content: '..'; } 80%,100% { content: '...'; } }

/* ===== MOBILE ===== */
@media (max-width: 768px) {
    .two-pane {
        flex-direction: column;
        height: auto;
        overflow: visible;
    }
    .pane-left {
        width: 100%;
        min-width: 0;
        border-right: none;
        border-bottom: 1px solid var(--border);
        max-height: 45vh;
        overflow: hidden;
    }
    .pane-left.expanded { max-height: none; }
    .pane-right {
        overflow-y: visible;
        min-height: 60vh;
    }
    .pane-right-inner { padding: 1.25rem 1rem; }
    .nav-toggle { display: flex; }
    .site-nav {
        display: none;
        position: absolute;
        top: var(--header-h);
        left: 0;
        right: 0;
        flex-direction: column;
        background: var(--bg-surface);
        border-bottom: 1px solid var(--border);
        padding: 0.75rem;
        gap: 0.25rem;
        z-index: 99;
    }
    .site-nav.open { display: flex; }
    .form-grid-2 { grid-template-columns: 1fr; }
    .tool-detail-header h1 { font-size: 1.2rem; }
    .pane-right-inner { max-width: 100%; }
    /* On mobile the sticky bottom ad would obscure content — make it static */
    .ad-bottom { position: static; }
    /* Compact inline list ads on mobile */
    .ad-list-inline { padding: 0.35rem; }
}

@media (max-width: 480px) {
    .header-inner { padding: 0 1rem; }
    .pane-left-header { padding: 0.75rem; }
    .tool-list-item { padding: 0.6rem 0.75rem; }
    .page-container { padding: 1.25rem 1rem; }
}