/* ===========================
   DA Checker Pro — style.css
   Version 4.0
=========================== */

@import url('https://fonts.googleapis.com/css2?family=Syne:wght@400;600;700;800&family=DM+Mono:wght@400;500&family=DM+Sans:wght@400;500;600&display=swap');

/* ── Variables ─────────────────────────────────── */
:root {
    --dac-bg:        #f8fafc;   /* page background */
    --dac-surface:   #ffffff;   /* cards */
    --dac-border:    #e5e7eb;
    --dac-accent:    #22c55e;
    --dac-accent2:   #0ea5e9;
    --dac-warn:      #f97316;
    --dac-danger:    #ef4444;
    --dac-text:      #0f172a;   /* main text */
    --dac-muted:     #64748b;
    --dac-card-r:    14px;
    --dac-font-head: 'Syne', sans-serif;
    --dac-font-body: 'DM Sans', sans-serif;
    --dac-font-mono: 'DM Mono', monospace;
    --dac-shadow:    0 4px 20px rgba(0,0,0,.06);
    --dac-glow:      0 0 18px rgba(34,197,94,.15);
}

/* ── Root Wrapper ──────────────────────────────── */
.dac-app {
    font-family: var(--dac-font-body);
    color: var(--dac-text);
    background: var(--dac-bg);
    max-width: 100%;
    margin: 0 auto 60px;
    padding: 0 16px;
    animation: dacFadeUp .5s ease both;
}
@keyframes dacFadeUp {
    from { opacity:0; transform:translateY(18px); }
    to   { opacity:1; transform:translateY(0); }
}

/* ── HERO ──────────────────────────────────────── */
.dac-hero {
    text-align: center;
    padding: 60px 20px 44px;
    position: relative;
}
.dac-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse 70% 60% at 50% 0%, rgba(74,222,128,.08) 0%, transparent 70%);
    pointer-events: none;
}
.dac-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-family: var(--dac-font-mono);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--dac-accent);
    background: rgba(74,222,128,.1);
    border: 1px solid rgba(74,222,128,.25);
    border-radius: 40px;
    padding: 5px 14px;
    margin-bottom: 20px;
}
.dac-hero-title {
    font-family: var(--dac-font-head);
    font-size: clamp(32px, 6vw, 54px);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.02em;
    color: var(--dac-text);
    margin: 0 0 16px;
}
.dac-accent { color: var(--dac-accent); }
.dac-hero-sub {
    font-size: 16px;
    color: var(--dac-muted);
    max-width: 540px;
    margin: 0 auto 32px;
    line-height: 1.6;
}
.dac-hero-sub strong { color: var(--dac-text); }

/* Stat strip */
.dac-stat-strip {
    display: inline-flex;
    align-items: center;
    gap: 0;
    background: var(--dac-surface);
    border: 1px solid var(--dac-border);
    border-radius: 50px;
    padding: 12px 28px;
    gap: 24px;
}
.dac-stat { text-align: center; }
.dac-stat-num {
    display: block;
    font-family: var(--dac-font-head);
    font-size: 22px;
    font-weight: 700;
    color: var(--dac-accent);
    line-height: 1;
}
.dac-stat-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: .06em;
    color: var(--dac-muted);
}
.dac-stat-divider {
    width: 1px;
    height: 32px;
    background: var(--dac-border);
}

/* ── CARDS ─────────────────────────────────────── */
.dac-card {
    background: var(--dac-surface);
    border: 1px solid var(--dac-border);
    border-radius: var(--dac-card-r);
    padding: 28px;
    margin-bottom: 20px;
    box-shadow: var(--dac-shadow);
}
.dac-card-title {
    font-family: var(--dac-font-head);
    font-size: 18px;
    font-weight: 700;
    color: var(--dac-text);
    margin: 0 0 20px;
}

/* ── INPUT CARD ────────────────────────────────── */
.dac-input-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.dac-domain-counter {
    font-family: var(--dac-font-mono);
    font-size: 13px;
    color: var(--dac-muted);
    background: var(--dac-bg);
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--dac-border);
}

/* Single input wrap */
.dac-single-input-wrap {
    position: relative;
    margin-bottom: 16px;
}
.dac-input-icon {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 18px;
    pointer-events: none;
}
.dac-single-input-wrap input {
    width: 100%;
    padding: 16px 16px 16px 46px;
    background: var(--dac-bg);
    border: 1px solid var(--dac-border);
    border-radius: 10px;
    font-family: var(--dac-font-mono);
    font-size: 15px;
    color: var(--dac-text);
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    box-sizing: border-box;
}
.dac-single-input-wrap input:focus {
    border-color: var(--dac-accent);
    box-shadow: 0 0 0 3px rgba(74,222,128,.12);
}
.dac-single-input-wrap input::placeholder { color: var(--dac-muted); }

textarea#dac-domains {
    width: 100%;
    padding: 14px;
    background: var(--dac-bg);
    border: 1px solid var(--dac-border);
    border-radius: 10px;
    font-family: var(--dac-font-mono);
    font-size: 14px;
    color: var(--dac-text);
    resize: vertical;
    outline: none;
    transition: border-color .2s, box-shadow .2s;
    box-sizing: border-box;
    margin-bottom: 16px;
    min-height: 110px;
}
textarea#dac-domains:focus {
    border-color: var(--dac-accent);
    box-shadow: 0 0 0 3px rgba(74,222,128,.12);
}
textarea#dac-domains::placeholder { color: var(--dac-muted); }

/* ── BUTTONS ───────────────────────────────────── */
.dac-actions {
    display: flex;
    gap: 10px;
}
.dac-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-family: var(--dac-font-body);
    font-weight: 600;
    font-size: 15px;
    border: none;
    border-radius: 10px;
    cursor: pointer;
    transition: all .2s;
    white-space: nowrap;
    text-decoration: none;
}
.dac-btn-primary {
    flex: 1;
    justify-content: center;
    padding: 15px 28px;
    background: var(--dac-accent);
    color: #0d1117;
    box-shadow: 0 2px 16px rgba(74,222,128,.3);
}
.dac-btn-primary:hover:not(:disabled) {
    background: #6ee7a0;
    box-shadow: var(--dac-glow);
    transform: translateY(-1px);
}
.dac-btn-primary:disabled {
    opacity: .4;
    cursor: not-allowed;
    transform: none;
}
.dac-btn-secondary {
    padding: 10px 18px;
    background: var(--dac-accent2);
    color: #0d1117;
    font-size: 14px;
}
.dac-btn-secondary:hover { background: #67d7ff; transform: translateY(-1px); }
.dac-btn-ghost {
    padding: 10px 18px;
    background: transparent;
    color: var(--dac-muted);
    border: 1px solid var(--dac-border);
    font-size: 14px;
}
.dac-btn-ghost:hover { border-color: var(--dac-muted); color: var(--dac-text); }
.dac-btn-sm { font-size: 12px; padding: 6px 12px; }
.dac-btn-icon { font-size: 18px; }

/* ── ALERTS ────────────────────────────────────── */
.dac-alert {
    border-radius: 8px;
    padding: 12px 16px;
    font-size: 14px;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.dac-alert-warn {
    background: rgba(251,146,60,.1);
    border: 1px solid rgba(251,146,60,.3);
    color: var(--dac-warn);
}
.dac-alert-warn a { color: var(--dac-warn); text-decoration: underline; }
.dac-hint { font-size: 13px; color: var(--dac-muted); margin: 10px 0 0; }
.dac-hint-error { color: var(--dac-danger); }

/* ── PROGRESS ──────────────────────────────────── */
.dac-progress-wrap { margin: 20px 0; }
.dac-progress-bar-track {
    background: var(--dac-surface);
    border: 1px solid var(--dac-border);
    border-radius: 50px;
    height: 6px;
    overflow: hidden;
    margin-bottom: 10px;
}
.dac-progress-bar-fill {
    height: 100%;
    width: 0%;
    background: linear-gradient(90deg, var(--dac-accent), var(--dac-accent2));
    border-radius: 50px;
    transition: width .4s ease;
    box-shadow: 0 0 12px rgba(74,222,128,.5);
}
.dac-progress-label {
    font-family: var(--dac-font-mono);
    font-size: 13px;
    color: var(--dac-muted);
    text-align: center;
    margin: 0;
}

/* ── RESULTS HEADER ────────────────────────────── */
.dac-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}
.dac-results-actions { display: flex; gap: 8px; }

/* ── SUMMARY CARDS ─────────────────────────────── */
.dac-summary-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: 12px;
    margin-bottom: 20px;
}
.dac-summary-card {
    background: var(--dac-bg);
    border: 1px solid var(--dac-border);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    transition: border-color .2s;
}
.dac-summary-card:hover { border-color: var(--dac-accent); }
.dac-summary-card-num {
    font-family: var(--dac-font-head);
    font-size: 30px;
    font-weight: 800;
    color: var(--dac-accent);
    line-height: 1;
    margin-bottom: 4px;
}
.dac-summary-card-label {
    font-size: 12px;
    color: var(--dac-muted);
    text-transform: uppercase;
    letter-spacing: .06em;
}

/* ── TABLE ─────────────────────────────────────── */
.dac-table-wrap {
    overflow-x: auto;
    border-radius: 10px;
    border: 1px solid var(--dac-border);
}
.dac-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 14px;
}
.dac-table thead th {
    background: #0d1117;
    padding: 12px 14px;
    text-align: left;
    font-family: var(--dac-font-mono);
    font-size: 11px;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: .08em;
    color: var(--dac-muted);
    border-bottom: 1px solid var(--dac-border);
    white-space: nowrap;
    user-select: none;
}
.dac-table thead th.sortable { cursor: pointer; }
.dac-table thead th.sortable:hover { color: var(--dac-text); }
.dac-table thead th.sort-asc .sort-arrow::after { content: ' ▲'; }
.dac-table thead th.sort-desc .sort-arrow::after { content: ' ▼'; }
.sort-arrow { opacity: .4; font-size: 10px; }
.dac-table tbody tr {
    border-bottom: 1px solid var(--dac-border);
    transition: background .15s;
}
.dac-table tbody tr:last-child { border-bottom: none; }
.dac-table tbody tr:hover { background: rgba(255,255,255,.03); }
.dac-table td {
    padding: 12px 14px;
    color: var(--dac-text);
    vertical-align: middle;
}
.dac-table td.dac-td-num {
    font-family: var(--dac-font-mono);
    font-size: 13px;
    color: var(--dac-muted);
}
.dac-table td.dac-td-domain {
    font-family: var(--dac-font-mono);
    font-weight: 500;
    color: var(--dac-accent2);
}

/* DA score bar */
.dac-score-wrap { display: flex; align-items: center; gap: 10px; }
.dac-score-val {
    font-family: var(--dac-font-head);
    font-weight: 700;
    font-size: 16px;
    min-width: 28px;
}
.dac-score-bar {
    flex: 1;
    height: 5px;
    background: var(--dac-border);
    border-radius: 4px;
    overflow: hidden;
    min-width: 60px;
}
.dac-score-fill {
    height: 100%;
    border-radius: 4px;
    transition: width .6s ease;
}

/* Score colors */
.score-s { color: #4ade80; } .fill-s { background: #4ade80; }
.score-a { color: #86efac; } .fill-a { background: #86efac; }
.score-b { color: #38bdf8; } .fill-b { background: #38bdf8; }
.score-c { color: #fb923c; } .fill-c { background: #fb923c; }
.score-d { color: #f87171; } .fill-d { background: #f87171; }
.score-f { color: #6b7280; } .fill-f { background: #6b7280; }

/* Grade pill */
.dac-grade-pill {
    display: inline-block;
    font-size: 11px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 20px;
    font-family: var(--dac-font-mono);
    white-space: nowrap;
}
.grade-s-pill { background: rgba(74,222,128,.15); color: #4ade80; border: 1px solid rgba(74,222,128,.3); }
.grade-a-pill { background: rgba(134,239,172,.1); color: #86efac; border: 1px solid rgba(134,239,172,.3); }
.grade-b-pill { background: rgba(56,189,248,.1);  color: #38bdf8; border: 1px solid rgba(56,189,248,.3); }
.grade-c-pill { background: rgba(251,146,60,.1);  color: #fb923c; border: 1px solid rgba(251,146,60,.3); }
.grade-d-pill { background: rgba(248,113,113,.1); color: #f87171; border: 1px solid rgba(248,113,113,.3); }
.grade-f-pill { background: rgba(107,114,128,.1); color: #9ca3af; border: 1px solid rgba(107,114,128,.3); }

/* spam score color */
.spam-ok   { color: var(--dac-accent); }
.spam-warn { color: var(--dac-warn); }
.spam-bad  { color: var(--dac-danger); }

/* ── HISTORY ───────────────────────────────────── */
.dac-history-card { margin-top: 20px; }
.dac-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 14px;
}
.dac-history-list {
    list-style: none;
    padding: 0;
    margin: 0;
    max-height: 220px;
    overflow-y: auto;
}
.dac-history-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 10px 0;
    border-bottom: 1px solid var(--dac-border);
    font-size: 13px;
    gap: 10px;
    cursor: pointer;
    transition: background .15s;
    border-radius: 6px;
    padding: 8px 10px;
}
.dac-history-item:hover { background: rgba(255,255,255,.04); }
.dac-history-domain {
    font-family: var(--dac-font-mono);
    color: var(--dac-accent2);
}
.dac-history-da {
    font-family: var(--dac-font-head);
    font-weight: 700;
    color: var(--dac-accent);
}
.dac-history-time {
    color: var(--dac-muted);
    font-size: 11px;
    margin-left: auto;
}

/* ── EDUCATIONAL SECTION ───────────────────────── */
.dac-edu-section {
    margin-top: 32px;
}
.dac-edu-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}
.dac-edu-card {
    background: var(--dac-surface);
    border: 1px solid var(--dac-border);
    border-radius: var(--dac-card-r);
    padding: 22px 18px;
    transition: border-color .2s, transform .2s;
}
.dac-edu-card:hover {
    border-color: rgba(74,222,128,.3);
    transform: translateY(-2px);
}
.dac-edu-icon { font-size: 28px; margin-bottom: 12px; }
.dac-edu-card h3 {
    font-family: var(--dac-font-head);
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 8px;
    color: var(--dac-text);
}
.dac-edu-card p {
    font-size: 13px;
    color: var(--dac-muted);
    line-height: 1.6;
    margin: 0;
}

/* Grade legend */
.dac-grade-legend {
    background: var(--dac-surface);
    border: 1px solid var(--dac-border);
    border-radius: var(--dac-card-r);
    padding: 22px;
}
.dac-grade-legend h3 {
    font-family: var(--dac-font-head);
    font-size: 15px;
    font-weight: 700;
    margin: 0 0 16px;
    color: var(--dac-text);
}
.dac-grade-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}
.dac-grade-grid .dac-grade-pill {
    font-size: 13px;
    padding: 6px 14px;
}
.grade-f { background: rgba(107,114,128,.1); color: #9ca3af; border: 1px solid rgba(107,114,128,.3); }
.grade-d { background: rgba(248,113,113,.1); color: #f87171; border: 1px solid rgba(248,113,113,.3); }
.grade-c { background: rgba(251,146,60,.1);  color: #fb923c; border: 1px solid rgba(251,146,60,.3); }
.grade-b { background: rgba(56,189,248,.1);  color: #38bdf8; border: 1px solid rgba(56,189,248,.3); }
.grade-a { background: rgba(134,239,172,.1); color: #86efac; border: 1px solid rgba(134,239,172,.3); }
.grade-s { background: rgba(74,222,128,.15); color: #4ade80; border: 1px solid rgba(74,222,128,.3); }

/* ── RESPONSIVE ────────────────────────────────── */
@media (max-width: 640px) {
    .dac-hero { padding: 40px 10px 30px; }
    .dac-stat-strip { gap: 12px; padding: 10px 16px; }
    .dac-stat-num { font-size: 18px; }
    .dac-card { padding: 18px; }
    .dac-results-header { flex-direction: column; align-items: flex-start; gap: 10px; }
    .dac-actions { flex-direction: column; }
    .dac-btn-primary { flex: none; }
    .dac-edu-grid { grid-template-columns: 1fr; }
    .dac-summary-grid { grid-template-columns: 1fr 1fr; }
    .dac-score-bar { min-width: 40px; }
    .dac-table { font-size: 13px; }
    .dac-table td, .dac-table th { padding: 9px 10px; }
}

/* ── WORDPRESS ADMIN OVERRIDES ─────────────────── */
.wp-admin .dac-app {
    background: transparent;
    padding: 0 0 40px;
}