/* Zhoop Tools - Main Stylesheet - Compact & Minimal Redesign */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #6366f1;
    --primary-dark: #4f46e5;
    --secondary: #8b5cf6;
    --dark: #1e293b;
    --mid: #334155;
    --light: #f8fafc;
    --text: #475569;
    --text-light: #64748b;
    --border: #e2e8f0;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
    --shadow: 0 4px 20px rgba(0,0,0,0.08);
    --shadow-sm: 0 1px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 6px 24px rgba(0,0,0,0.1);
    --radius: 10px;
    --radius-sm: 6px;
    --radius-lg: 14px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    color: var(--text);
    line-height: 1.5;
    font-size: 14px;
}

/* ─── Header ─────────────────────────────────────────────────── */
header {
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 0 rgba(0,0,0,0.08), var(--shadow-sm);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 54px;
}

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
    font-size: 18px;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: -0.3px;
}

.logo-icon {
    font-size: 22px;
    margin-right: 8px;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 4px;
    gap: 4px;
}

.menu-toggle span {
    width: 20px;
    height: 2px;
    background: var(--primary);
    border-radius: 2px;
    transition: 0.3s;
}

nav {
    display: flex;
    gap: 2px;
    align-items: center;
}

nav a {
    color: var(--text);
    text-decoration: none;
    padding: 6px 12px;
    border-radius: var(--radius-sm);
    font-weight: 500;
    transition: all 0.2s;
    font-size: 13px;
    white-space: nowrap;
}

nav a:hover {
    background: #f1f5f9;
    color: var(--primary);
}

/* ─── Main Container ──────────────────────────────────────────── */
.main-wrapper {
    max-width: 100%;
    margin: 16px auto;
    padding: 0 24px;
    min-height: calc(100vh - 150px);
}

.container {
    background: white;
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow);
    animation: fadeIn 0.35s ease-out;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ─── Breadcrumb ──────────────────────────────────────────────── */
nav[aria-label="Breadcrumb"] {
    padding: 10px 0 8px !important;
    font-size: 12px !important;
}

nav[aria-label="Breadcrumb"] ol {
    gap: 5px !important;
}

/* ─── Typography ──────────────────────────────────────────────── */
h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 6px;
    text-align: center;
    letter-spacing: -0.3px;
    line-height: 1.3;
}

h2 {
    font-size: 1.25rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 8px;
    letter-spacing: -0.2px;
}

h3 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--dark);
    margin-bottom: 6px;
}

/* ─── Tool Page Header ────────────────────────────────────────── */
.tool-header {
    text-align: center;
    margin-bottom: 18px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border);
}

.tool-header h1 {
    margin-bottom: 4px;
}

.tool-subtitle {
    color: var(--text-light);
    font-size: 13px;
    max-width: 520px;
    margin: 0 auto;
}

/* ─── Form Elements ───────────────────────────────────────────── */
.form-group {
    margin-bottom: 14px;
}

label {
    display: block;
    margin-bottom: 5px;
    color: var(--dark);
    font-weight: 600;
    font-size: 13px;
}

input[type="file"],
input[type="text"],
input[type="number"],
input[type="email"],
input[type="url"],
select,
textarea {
    width: 100%;
    padding: 9px 12px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    font-size: 13px;
    transition: all 0.2s;
    font-family: inherit;
    background: var(--light);
    color: var(--dark);
}

input[type="file"]:focus,
input[type="text"]:focus,
input[type="number"]:focus,
input[type="email"]:focus,
input[type="url"]:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: white;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

input[type="file"] {
    padding: 7px 10px;
    cursor: pointer;
}

textarea {
    resize: vertical;
    min-height: 80px;
}

select {
    cursor: pointer;
}

/* ─── Buttons ─────────────────────────────────────────────────── */
button,
.btn {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    color: white;
    padding: 9px 20px;
    border: none;
    border-radius: var(--radius-sm);
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
    width: 100%;
    font-family: inherit;
    letter-spacing: 0.1px;
}

button:hover,
.btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 14px rgba(99, 102, 241, 0.35);
    opacity: 0.95;
}

button:active,
.btn:active {
    transform: translateY(0);
}

button:disabled,
.btn:disabled {
    opacity: 0.55;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

.btn-secondary {
    background: white;
    color: var(--primary);
    border: 1.5px solid var(--border);
    box-shadow: none;
}

.btn-secondary:hover {
    border-color: var(--primary);
    background: #f5f3ff;
    box-shadow: none;
}

.btn-sm {
    padding: 6px 14px;
    font-size: 12px;
}

.btn-lg {
    padding: 11px 28px;
    font-size: 14px;
}

/* ─── Compact Upload Zone ─────────────────────────────────────── */
.upload-zone {
    border: 2px dashed #c7d2fe;
    background: #fafbff;
    border-radius: var(--radius);
    padding: 24px 16px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--primary);
    background: #f0f0ff;
}

.upload-zone svg {
    color: var(--primary);
    opacity: 0.7;
}

.upload-zone-title {
    font-weight: 600;
    color: var(--dark);
    font-size: 13px;
}

.upload-zone-sub {
    font-size: 11px;
    color: var(--text-light);
}

/* ─── Result Box / Alert ──────────────────────────────────────── */
.result-box {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    border-radius: var(--radius);
    padding: 16px;
    color: white;
    margin-top: 16px;
    text-align: center;
}

.result-box h3 {
    color: white;
    font-size: 1.4rem;
    margin-bottom: 4px;
}

.result-box p {
    opacity: 0.9;
    font-size: 13px;
    margin: 0;
}

.alert {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    font-size: 13px;
    margin-top: 10px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-success {
    background: #ecfdf5;
    color: #065f46;
    border: 1px solid #a7f3d0;
}

.alert-error {
    background: #fef2f2;
    color: #991b1b;
    border: 1px solid #fecaca;
}

.alert-info {
    background: #eff6ff;
    color: #1e40af;
    border: 1px solid #bfdbfe;
}

/* ─── Stats Cards ─────────────────────────────────────────────── */
.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 10px;
    margin: 12px 0;
}

.stat-card {
    padding: 10px 12px;
    background: #f8fafc;
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--primary);
}

.stat-label {
    font-size: 10px;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 3px;
}

.stat-value {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
}

/* ─── Tab Navigation ──────────────────────────────────────────── */
.tabs-nav {
    display: flex;
    gap: 4px;
    border-bottom: 1.5px solid var(--border);
    margin-bottom: 18px;
    padding-bottom: 0;
}

.tab-btn {
    padding: 8px 16px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-light);
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    cursor: pointer;
    transition: all 0.2s;
    width: auto;
    margin-bottom: -1.5px;
    border-radius: 0;
    box-shadow: none;
    transform: none;
}

.tab-btn:hover {
    color: var(--primary);
    background: none;
    transform: none;
    box-shadow: none;
}

.tab-btn.active {
    color: var(--primary);
    border-bottom-color: var(--primary);
    font-weight: 600;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

/* ─── Category Pills ──────────────────────────────────────────── */
.category-pills {
    display: flex;
    gap: 6px;
    flex-wrap: wrap;
    margin-bottom: 14px;
}

.pill {
    padding: 5px 12px;
    border: 1.5px solid var(--border);
    border-radius: 20px;
    background: white;
    cursor: pointer;
    transition: all 0.2s;
    font-size: 12px;
    font-weight: 500;
    color: var(--text);
    font-family: inherit;
    box-shadow: none;
    width: auto;
}

.pill:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: white;
    transform: none;
    box-shadow: none;
}

.pill.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-color: transparent;
    color: white;
}

/* ─── Loading Spinner ─────────────────────────────────────────── */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2.5px solid rgba(255,255,255,0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
}

.spinner-dark {
    border-color: rgba(99, 102, 241, 0.2);
    border-top-color: var(--primary);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* ─── Divider ─────────────────────────────────────────────────── */
.divider {
    border: none;
    border-top: 1px solid var(--border);
    margin: 16px 0;
}

/* ─── SEO Content (collapsed) ────────────────────────────────── */
.seo-section {
    margin-top: 24px;
    border-top: 1px solid var(--border);
    padding-top: 16px;
}

.seo-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    cursor: pointer;
    color: var(--text-light);
    font-size: 12px;
    font-weight: 500;
    user-select: none;
    list-style: none;
    padding: 0;
    background: none;
    border: none;
    width: auto;
    box-shadow: none;
    transform: none;
}

.seo-toggle:hover {
    color: var(--primary);
    background: none;
    transform: none;
    box-shadow: none;
}

.seo-body {
    margin-top: 12px;
    color: var(--text);
    font-size: 13px;
    line-height: 1.7;
}

.seo-body h2, .seo-body h3, .seo-body h4 {
    background: none;
    -webkit-text-fill-color: unset;
    color: var(--dark);
    margin-top: 14px;
    margin-bottom: 6px;
}

.seo-body h2 { font-size: 1rem; }
.seo-body h3 { font-size: 0.9rem; }
.seo-body h4 { font-size: 0.85rem; }

.seo-body p { margin-bottom: 8px; }
.seo-body ul, .seo-body ol { padding-left: 18px; margin-bottom: 8px; }
.seo-body li { margin-bottom: 3px; }

/* ─── Tool Grid (Home Page) ───────────────────────────────────── */
.tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 14px;
    margin-top: 20px;
}

.tool-card {
    background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
    padding: 18px;
    border-radius: var(--radius);
    text-align: center;
    color: white;
    text-decoration: none;
    transition: all 0.25s;
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.12), rgba(255,255,255,0));
    opacity: 0;
    transition: opacity 0.25s;
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 28px rgba(99, 102, 241, 0.35);
}

.tool-card:hover::before { opacity: 1; }

.tool-card h3 {
    margin-bottom: 6px;
    font-size: 0.95rem;
    color: white;
    position: relative;
    z-index: 1;
}

.tool-card p {
    opacity: 0.9;
    font-size: 12px;
    line-height: 1.5;
    position: relative;
    z-index: 1;
}

.tool-icon {
    font-size: 30px;
    margin-bottom: 10px;
    display: block;
    position: relative;
    z-index: 1;
}

/* ─── Footer ──────────────────────────────────────────────────── */
footer {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: white;
    margin-top: 30px;
    padding: 40px 20px 16px;
}

.footer-content {
    max-width: 1200px;
    margin: 0 auto;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 28px;
    margin-bottom: 28px;
}

.footer-section h3 {
    color: #fff;
    font-size: 0.85rem;
    margin-bottom: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    -webkit-text-fill-color: unset;
    background: none;
}

.footer-section p {
    color: #94a3b8;
    line-height: 1.7;
    margin-bottom: 10px;
    font-size: 13px;
}

.footer-links-column {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-links-column a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 13px;
    transition: all 0.2s;
}

.footer-links-column a:hover {
    color: #818cf8;
    padding-left: 4px;
}

.footer-social {
    display: flex;
    gap: 8px;
    margin-top: 14px;
}

.social-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255,255,255,0.08);
    border-radius: 50%;
    text-decoration: none;
    transition: all 0.2s;
    color: white;
}

.social-icon:hover {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 20px;
    margin-top: 28px;
    text-align: center;
}

.footer-bottom-links {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-bottom: 10px;
    flex-wrap: wrap;
}

.footer-bottom-links a {
    color: #94a3b8;
    text-decoration: none;
    font-size: 12px;
    transition: color 0.2s;
}

.footer-bottom-links a:hover { color: #818cf8; }

.copyright {
    color: #64748b;
    font-size: 12px;
    margin-top: 10px;
    line-height: 1.6;
}

.footer-badges {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 14px;
    flex-wrap: wrap;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    background: rgba(255,255,255,0.07);
    border-radius: 16px;
    font-size: 11px;
    color: #94a3b8;
}

.badge svg { width: 13px; height: 13px; }

/* ─── Newsletter ──────────────────────────────────────────────── */
.newsletter-form {
    display: flex;
    gap: 8px;
    margin-top: 12px;
}

.newsletter-form input {
    flex: 1;
    padding: 8px 12px;
    border: none;
    border-radius: var(--radius-sm);
    background: rgba(255,255,255,0.1);
    color: white;
    font-size: 13px;
    width: auto;
}

.newsletter-form input::placeholder { color: rgba(255,255,255,0.5); }

.newsletter-form button {
    padding: 8px 16px;
    width: auto;
    font-size: 13px;
    border-radius: var(--radius-sm);
}

/* ─── Two-column Tool Layout ──────────────────────────────────── */
.tool-layout {
    display: grid;
    grid-template-columns: 1.1fr 1fr;
    gap: 16px;
    align-items: start;
}

.tool-panel {
    background: #fafbff;
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 16px;
}

.tool-panel-title {
    font-size: 12px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--text-light);
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ─── Inline Info Text ────────────────────────────────────────── */
.hint {
    font-size: 11px;
    color: var(--text-light);
    margin-top: 3px;
}

/* ─── Range Slider ────────────────────────────────────────────── */
input[type="range"] {
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    outline: none;
    cursor: pointer;
    border: none;
    padding: 0;
    box-shadow: none;
}

/* ─── Color Input ─────────────────────────────────────────────── */
input[type="color"] {
    width: 40px;
    height: 34px;
    border: 1.5px solid var(--border);
    border-radius: var(--radius-sm);
    cursor: pointer;
    padding: 2px;
    background: white;
}

/* ─── Responsive ──────────────────────────────────────────────── */
@media (max-width: 900px) {
    .tool-layout {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .menu-toggle { display: flex; }

    nav {
        position: absolute;
        top: 54px;
        left: 0;
        right: 0;
        background: white;
        flex-direction: column;
        padding: 12px;
        box-shadow: var(--shadow);
        display: none;
        gap: 2px;
        border-top: 1px solid var(--border);
    }

    nav.active { display: flex; }
    nav a { padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 14px; }
    nav a:last-child { border-bottom: none; }

    .header-container { padding: 0 14px; }

    .container { padding: 16px; border-radius: var(--radius); }

    h1 { font-size: 1.3rem; }
    h2 { font-size: 1.1rem; }

    .main-wrapper { padding: 0 12px; margin: 12px auto; }

    .footer-grid { grid-template-columns: 1fr 1fr; gap: 20px; }

    .footer-bottom-links { gap: 10px; }

    .tool-grid {
        grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
        gap: 10px;
    }
}

@media (max-width: 480px) {
    .logo { font-size: 16px; }
    h1 { font-size: 1.2rem; }
    h2 { font-size: 1rem; }
    .container { padding: 14px; }
    .main-wrapper { padding: 0 10px; }
    .footer-grid { grid-template-columns: 1fr; }
    .tool-grid { grid-template-columns: 1fr 1fr; }
}