/* =====================================================
   Navico Utility Tools — Frontend Widget Styles
   All colours/sizes driven by CSS custom properties
   injected by nut_output_css_vars() in PHP.
   The .navico-tool-widget class scopes all styles so
   they work seamlessly inside any page/post layout.
   ===================================================== */

/* ---------- Widget wrapper ---------- */
.navico-tool-widget {
    font-family: var(--nut-font, 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif);
    font-size: var(--nut-font-size, 15px);
    color: var(--nut-text, #0f172a);
    max-width: var(--nut-max-width, 860px);
    margin: 0 auto;
    padding: var(--nut-padding-v, 50px) 0 calc(var(--nut-padding-v, 50px) * 1.4);
    line-height: 1.7;
    box-sizing: border-box;
}

/* ---------- Textarea card ---------- */
.navico-tool-widget .nut-textarea-card {
    background: var(--nut-card-bg, #ffffff);
    border: 1px solid var(--nut-border, #e2e8f0);
    border-radius: var(--nut-radius, 10px);
    padding: 24px;
    margin-bottom: 24px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
}

.navico-tool-widget .nut-textarea-label {
    font-size: 12px;
    font-weight: 600;
    color: var(--nut-muted, #64748b);
    letter-spacing: 0.07em;
    text-transform: uppercase;
    margin-bottom: 10px;
    display: block;
}

.navico-tool-widget .nut-text-input {
    width: 100%;
    background: var(--nut-body-bg, #f8fafc);
    border: 1px solid var(--nut-border, #e2e8f0);
    border-radius: calc(var(--nut-radius, 10px) * 0.7);
    color: var(--nut-text, #0f172a);
    font-family: var(--nut-font, 'Inter', sans-serif);
    font-size: var(--nut-font-size, 15px);
    line-height: 1.7;
    padding: 16px;
    resize: vertical;
    box-sizing: border-box;
    transition: border-color 0.2s, box-shadow 0.2s;
    outline: none;
    display: block;
}
.navico-tool-widget .nut-text-input:focus {
    border-color: var(--nut-accent, #2271b1);
    box-shadow: 0 0 0 3px color-mix(in srgb, var(--nut-accent, #2271b1) 18%, transparent);
}
.navico-tool-widget .nut-text-input::placeholder {
    color: color-mix(in srgb, var(--nut-muted, #64748b) 50%, transparent);
}

.navico-tool-widget .nut-char-hint {
    font-size: 12px;
    color: var(--nut-muted, #64748b);
    margin-top: 8px;
    text-align: right;
    opacity: 0.7;
}

/* ---------- Stat grid ---------- */
.navico-tool-widget .nut-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    gap: 14px;
}

.navico-tool-widget .nut-stat-card {
    background: var(--nut-card-bg, #ffffff);
    border: 1px solid var(--nut-border, #e2e8f0);
    border-radius: var(--nut-radius, 10px);
    padding: 20px 16px;
    text-align: center;
    transition: transform 0.2s, border-color 0.2s, box-shadow 0.2s;
}
.navico-tool-widget .nut-stat-card:hover {
    transform: translateY(-4px);
    border-color: var(--nut-accent, #2271b1);
    box-shadow: 0 10px 30px color-mix(in srgb, var(--nut-accent, #2271b1) 15%, transparent);
}

.navico-tool-widget .nut-stat-icon {
    font-size: 22px;
    margin-bottom: 8px;
    display: block;
}

.navico-tool-widget .nut-stat-value {
    font-size: 30px;
    font-weight: 700;
    color: var(--nut-accent, #2271b1);
    line-height: 1;
    margin-bottom: 5px;
    transition: color 0.15s;
    font-variant-numeric: tabular-nums;
}

.navico-tool-widget .nut-stat-label {
    font-size: 11px;
    color: var(--nut-muted, #64748b);
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Per-card accent overrides */
.navico-tool-widget .nut-stat-card.a-green  .nut-stat-value { color: #22c55e; }
.navico-tool-widget .nut-stat-card.a-purple .nut-stat-value { color: #a855f7; }
.navico-tool-widget .nut-stat-card.a-amber  .nut-stat-value { color: #f59e0b; }
.navico-tool-widget .nut-stat-card.a-sky    .nut-stat-value { color: #38bdf8; }
.navico-tool-widget .nut-stat-card.a-red    .nut-stat-value { color: #ef4444; }

.navico-tool-widget .nut-stat-card.a-green:hover  { border-color:#22c55e; box-shadow:0 10px 30px rgba(34,197,94,.15); }
.navico-tool-widget .nut-stat-card.a-purple:hover { border-color:#a855f7; box-shadow:0 10px 30px rgba(168,85,247,.15); }
.navico-tool-widget .nut-stat-card.a-amber:hover  { border-color:#f59e0b; box-shadow:0 10px 30px rgba(245,158,11,.15); }
.navico-tool-widget .nut-stat-card.a-sky:hover    { border-color:#38bdf8; box-shadow:0 10px 30px rgba(56,189,248,.15); }
.navico-tool-widget .nut-stat-card.a-red:hover    { border-color:#ef4444; box-shadow:0 10px 30px rgba(239,68,68,.15); }

/* ---------- Responsive ---------- */
@media (max-width: 600px) {
    .navico-tool-widget {
        padding: 32px 0 48px;
    }
    .navico-tool-widget .nut-stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .navico-tool-widget .nut-stat-value { font-size: 24px; }
}

/* =====================================================
   Tool Specific: Sitemap Validator
   ===================================================== */
.navico-tool-widget .nut-input-group {
    display: flex;
    gap: 12px;
}
.navico-tool-widget .nut-input-group .nut-text-input {
    flex: 1;
    min-height: auto !important;
}
.navico-tool-widget .nut-btn-primary {
    background: var(--nut-accent);
    color: #fff;
    border: none;
    padding: 0 28px;
    border-radius: var(--nut-radius);
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.2s, transform 0.15s;
    font-size: 14px;
    white-space: nowrap;
}
.navico-tool-widget .nut-btn-primary:hover { opacity: 0.9; transform: translateY(-1px); }
.navico-tool-widget .nut-btn-primary:active { transform: translateY(0); }

.navico-tool-widget .nut-status-bar {
    margin-top: 16px;
    font-size: 14px;
    color: var(--nut-muted);
    display: flex;
    align-items: center;
    gap: 10px;
}
.navico-tool-widget .nut-loader {
    width: 18px;
    height: 18px;
    border: 2px solid var(--nut-border);
    border-top-color: var(--nut-accent);
    border-radius: 50%;
    animation: nut-spin 0.8s linear infinite;
}
@keyframes nut-spin { to { transform: rotate(360deg); } }

.nut-results-panel, 
.nut-error-panel {
    margin-top: 24px;
    padding: 24px;
    background: var(--nut-card-bg);
    border: 1px solid var(--nut-border);
    border-radius: var(--nut-radius);
    animation: nut-fade-in 0.3s ease-out;
}
@keyframes nut-fade-in { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

.nut-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}
.nut-results-header h3 {
    margin: 0;
    font-size: 18px;
    font-weight: 700;
    color: var(--nut-text);
}
.nut-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.05em;
    display: inline-block;
}
.nut-badge.a-green { background: rgba(34,197,94,0.1); color: #22c55e; border: 1px solid rgba(34,197,94,0.2); }

.nut-error-panel {
    border-color: rgba(239,68,68,0.2);
    background: rgba(239,68,68,0.05);
    display: flex;
    gap: 16px;
    color: #ef4444;
}
.nut-error-icon { font-size: 24px; line-height: 1; }
.nut-error-body strong { display: block; margin-bottom: 4px; font-size: 15px; }
.nut-error-body p { margin: 0; font-size: 14px; opacity: 0.9; }

.nut-results-footer {
    margin-top: 24px;
    padding-top: 20px;
    border-top: 1px solid var(--nut-border);
    font-size: 14px;
    color: var(--nut-muted);
}

/* =====================================================
   Shared Results Modal
   Used by: Website Analyzer, DNS Checker, Sitemap Validator
   ===================================================== */
.nut-modal-overlay {
    position: fixed;
    inset: 0;
    z-index: 999999;
    background: rgba(10, 15, 30, 0.72);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 32px 16px 48px;
    overflow-y: auto;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.3s ease, visibility 0.3s ease;
    box-sizing: border-box;
}
.nut-modal-overlay.nut-modal-open {
    opacity: 1;
    visibility: visible;
}
.nut-modal-box {
    background: var(--nut-card-bg, #ffffff);
    border: 1px solid var(--nut-border, #e2e8f0);
    border-radius: var(--nut-radius, 12px);
    width: 100%;
    max-width: 900px;
    min-height: 200px;
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
    transform: translateY(30px) scale(0.97);
    transition: transform 0.35s cubic-bezier(0.34, 1.56, 0.64, 1), opacity 0.3s ease;
    opacity: 0;
    display: flex;
    flex-direction: column;
}
.nut-modal-overlay.nut-modal-open .nut-modal-box {
    transform: translateY(0) scale(1);
    opacity: 1;
}

/* Modal Header */
.nut-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 26px;
    border-bottom: 1px solid var(--nut-border, #e2e8f0);
    background: var(--nut-body-bg, #f8fafc);
    border-radius: var(--nut-radius, 12px) var(--nut-radius, 12px) 0 0;
    flex-shrink: 0;
    gap: 12px;
}
.nut-modal-title {
    font-size: 17px;
    font-weight: 700;
    color: var(--nut-text, #0f172a);
    display: flex;
    align-items: center;
    gap: 10px;
    margin: 0;
    flex: 1;
    min-width: 0;
}
.nut-modal-title .nut-modal-icon {
    width: 36px;
    height: 36px;
    background: color-mix(in srgb, var(--nut-accent, #2271b1) 12%, transparent);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}
.nut-modal-title .nut-modal-icon .dashicons {
    color: var(--nut-accent, #2271b1);
    font-size: 18px;
    width: 18px;
    height: 18px;
}
.nut-modal-subtitle {
    font-size: 12px;
    font-weight: 500;
    color: var(--nut-muted, #64748b);
    margin-top: 2px;
    font-weight: 400;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.nut-modal-close-btn {
    width: 36px;
    height: 36px;
    border-radius: 8px;
    background: transparent;
    border: 1px solid var(--nut-border, #e2e8f0);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--nut-muted, #64748b);
    font-size: 18px;
    transition: background 0.2s, border-color 0.2s, color 0.2s, transform 0.15s;
    flex-shrink: 0;
    font-family: inherit;
    line-height: 1;
    padding: 0;
}
.nut-modal-close-btn:hover {
    background: rgba(239, 68, 68, 0.08);
    border-color: rgba(239, 68, 68, 0.3);
    color: #ef4444;
    transform: scale(1.1);
}

/* Modal Body */
.nut-modal-body {
    padding: 26px;
    overflow-y: auto;
    flex: 1;
    box-sizing: border-box;
}

/* Prevent body scroll when modal is open */
body.nut-modal-body-lock {
    overflow: hidden;
}

/* Responsive */
@media (max-width: 640px) {
    .nut-modal-overlay {
        padding: 12px 10px 30px;
        align-items: flex-start;
    }
    .nut-modal-header {
        padding: 16px 18px;
    }
    .nut-modal-body {
        padding: 18px;
    }
    .nut-modal-title {
        font-size: 15px;
    }
}