/* =========================================
   AI → Humanized Content Studio
   Extends your existing theme
   ========================================= */

/* HERO */

.humanizer-hero {
    padding-top: 110px;
}

.humanizer-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.1fr);
    gap: 40px;
    align-items: center;
}

.humanizer-title {
    margin: 0 0 14px;
    font-size: clamp(2.4rem, 3vw, 3.1rem);
    letter-spacing: -0.06em;
}

.humanizer-subtitle {
    margin: 0 0 20px;
    font-size: 1.02rem;
    color: var(--text-muted);
}

/* Hero panel */

.humanizer-hero-panel {
    background: var(--card);
    border-radius: 24px;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    overflow: hidden;
}

.humanizer-panel-header {
    padding: 10px 16px;
    background: linear-gradient(to right,
            rgba(15, 23, 42, 0.12),
            rgba(15, 23, 42, 0));
}

.humanizer-badge {
    font-size: 0.78rem;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: rgba(15, 23, 42, 0.7);
}

.humanizer-panel-body {
    padding: 18px 18px 20px;
}

.humanizer-panel-label {
    margin: 10px 0 2px;
    font-size: 0.82rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(15, 23, 42, 0.6);
}

.humanizer-panel-text {
    margin: 0;
    font-size: 0.9rem;
    color: var(--text-muted);
}

.humanizer-panel-text-strong {
    font-weight: 600;
    color: var(--text-main);
}

/* MAIN GRID */

.humanizer-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1.2fr);
    gap: 26px;
    align-items: flex-start;
}

.humanizer-column {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

/* Tabs */

.humanizer-tabs {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 14px;
    background: rgba(255, 255, 255, 0.9);
    padding: 6px;
    border-radius: var(--radius-pill);
    box-shadow: 0 12px 24px rgba(15, 23, 42, 0.14);
}

.humanizer-tab {
    border: none;
    background: transparent;
    padding: 6px 12px;
    border-radius: var(--radius-pill);
    font-size: 0.86rem;
    font-weight: 600;
    color: rgba(15, 23, 42, 0.7);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast),
        transform var(--transition-fast);
}

.humanizer-tab.active {
    background: radial-gradient(circle at 0 0, #bbf7d0 0, var(--accent) 36%, #22d3ee 100%);
    color: var(--accent-dark);
    transform: translateY(-1px);
}

/* Cards */

.humanizer-card {
    background: var(--card);
    border-radius: 24px;
    border: 1px solid var(--border-soft);
    box-shadow: var(--shadow-soft);
    padding: 18px 20px 20px;
}

.humanizer-input-card textarea,
.humanizer-output-card textarea {
    width: 100%;
    resize: vertical;
    border-radius: 18px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    padding: 10px 12px;
    font-family: inherit;
    font-size: 0.92rem;
    background: rgba(255, 255, 255, 0.98);
}

.humanizer-input-card textarea:focus,
.humanizer-output-card textarea:focus {
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 1px rgba(56, 189, 248, 0.4);
    outline: none;
}

/* Inline form rows / hints */

.form-row-inline {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    gap: 12px;
}

.form-group {
    display: grid;
    gap: 4px;
}

.field-hint {
    margin: 0;
    font-size: 0.82rem;
    color: var(--text-muted);
}

.meta-pill {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 10px;
    border-radius: var(--radius-pill);
    font-size: 0.8rem;
    background: rgba(255, 255, 255, 0.96);
    border: 1px solid rgba(148, 163, 184, 0.6);
    color: rgba(15, 23, 42, 0.8);
}

.humanizer-meta-group {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* Small buttons */

.btn-xs {
    height: 32px;
    padding: 0 14px;
    font-size: 0.8rem;
}

/* Controls */

.humanizer-controls {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 14px;
    margin-top: 14px;
}

.humanizer-control-group {
    display: grid;
    gap: 6px;
}

.humanizer-control-group select,
.humanizer-control-group input[type="text"] {
    border-radius: 14px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    padding: 8px 10px;
    font-family: inherit;
    font-size: 0.9rem;
    background: rgba(255, 255, 255, 0.98);
}

/* Toggles */

.humanizer-toggle-row {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin: 14px 0 10px;
}

.toggle {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.86rem;
    color: rgba(15, 23, 42, 0.8);
}

.toggle input {
    display: none;
}

.toggle-slider {
    width: 32px;
    height: 18px;
    border-radius: 999px;
    background: rgba(148, 163, 184, 0.7);
    position: relative;
    transition: background var(--transition-fast);
}

.toggle-slider::before {
    content: "";
    position: absolute;
    width: 14px;
    height: 14px;
    border-radius: 999px;
    background: #ffffff;
    top: 2px;
    left: 2px;
    transition: transform var(--transition-fast);
}

.toggle input:checked+.toggle-slider {
    background: var(--accent-blue);
}

.toggle input:checked+.toggle-slider::before {
    transform: translateX(14px);
}

.toggle-label {
    white-space: nowrap;
}

/* Actions */

.humanizer-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 6px;
}

.humanizer-note {
    margin: 10px 0 0;
    font-size: 0.82rem;
    color: var(--text-muted);
}

/* Output quality meter */

.humanizer-quality-bar {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 0.84rem;
}

.quality-label {
    color: rgba(15, 23, 42, 0.8);
}

.quality-meter {
    flex: 1;
    height: 8px;
    border-radius: 999px;
    background: rgba(226, 232, 240, 0.9);
    overflow: hidden;
}

.quality-fill {
    height: 100%;
    width: 0%;
    border-radius: 999px;
    background: linear-gradient(to right, #f97316, #22c55e);
    transition: width 220ms ease-out;
}

.quality-score {
    font-weight: 600;
    min-width: 40px;
    text-align: right;
}

/* Variants */

.humanizer-variants-header h3 {
    margin: 0 0 4px;
    font-size: 1rem;
}

.variants-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 10px;
    margin-top: 10px;
}

.variant-card {
    border-radius: 18px;
    border: 1px solid rgba(148, 163, 184, 0.6);
    background: rgba(255, 255, 255, 0.98);
    padding: 10px 12px 12px;
    display: grid;
    gap: 8px;
}

.variant-card h4 {
    margin: 0;
    font-size: 0.9rem;
}

.variant-text {
    margin: 0;
    font-size: 0.86rem;
    color: var(--text-muted);
}

/* Guidelines */

.humanizer-guidelines-card h3 {
    margin: 0 0 8px;
}

.guidelines-list {
    margin: 0;
    padding-left: 18px;
    display: grid;
    gap: 8px;
    font-size: 0.88rem;
    color: var(--text-muted);
}

/* RESPONSIVE */

@media (max-width: 960px) {
    .humanizer-hero-grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .humanizer-grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

@media (max-width: 640px) {
    .humanizer-hero {
        padding-top: 96px;
    }

    .form-row-inline {
        flex-direction: column;
        align-items: flex-start;
    }

    .humanizer-meta-group {
        align-self: stretch;
        justify-content: space-between;
    }

    .humanizer-actions {
        flex-direction: column;
    }

    .humanizer-actions .btn {
        width: 100%;
    }

    .humanizer-toggle-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .toggle-label {
        white-space: normal;
    }
}