/*
Theme Name: UnitsConvertool
Theme URI: https://www.unitsconvertool.com
Author: UnitsConvertool
Author URI: https://www.unitsconvertool.com
Description: قالب ووردبريس لموقع محول الوحدات (Unit Converter) — أداة تحويل فورية بين أكثر من 18 فئة قياس (متري وإمبراطوري) بدون إعلانات.
Version: 1.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: unitsconvertool
*/

        :root {
            --primary: #0d6efd;
            --primary-dark: #0b5ed7;
            --primary-light: #e7f1ff;
            --accent: #fd7e14;
            --bg: #f5f7fa;
            --surface: #fff;
            --text: #212529;
            --text-secondary: #6c757d;
            --border: #dee2e6;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.1);
            --radius: 12px;
            --radius-sm: 8px;
            --transition: 0.2s ease;
            --font: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
        }
        [data-theme="dark"] {
            --primary: #4d94ff;
            --primary-dark: #3a7fe0;
            --primary-light: #1e2b40;
            --accent: #ff9248;
            --bg: #14161c;
            --surface: #1e212a;
            --text: #ffffff;
            --text-secondary: #ffffff;
            --border: #3a3f4d;
            --shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.5);
        }
        /* Dark mode: force readable white text and fix hardcoded light surfaces
           so buttons, chips, inputs and links stay clearly visible */
        [data-theme="dark"] body,
        [data-theme="dark"] p,
        [data-theme="dark"] li,
        [data-theme="dark"] h1,
        [data-theme="dark"] h2,
        [data-theme="dark"] h3,
        [data-theme="dark"] label,
        [data-theme="dark"] nav a,
        [data-theme="dark"] .cat-chip,
        [data-theme="dark"] .quick-link,
        [data-theme="dark"] .btn-outline,
        [data-theme="dark"] .input-group input,
        [data-theme="dark"] .input-group select,
        [data-theme="dark"] .result-box,
                [data-theme="dark"] .quick-link {
            background: var(--surface);
            border-color: var(--border);
        }
        [data-theme="dark"] .quick-link:hover,
        [data-theme="dark"] .cat-chip:hover {
            color: #ffffff;
            background: var(--primary-light);
            border-color: var(--primary);
        }
        [data-theme="dark"] .cat-chip.active-cat {
            color: #ffffff;
        }
        [data-theme="dark"] .input-group input,
        [data-theme="dark"] .input-group select,
        [data-theme="dark"] .input-group input:focus,
        [data-theme="dark"] .input-group select:focus {
            background: var(--surface);
        }
        [data-theme="dark"] .btn-outline {
            background: var(--surface);
        }
        [data-theme="dark"] .result-box {
            background: #17251c;
            border-color: #2a4a34;
        }
        [data-theme="dark"] .result-box strong {
            color: #ffffff !important;
        }
                        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            transition: background var(--transition), color var(--transition);
        }
        .theme-toggle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: var(--bg);
            color: var(--text);
            cursor: pointer;
            font-size: 1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .theme-toggle:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* HEADER */
        header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 0 16px;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            max-width: 1260px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 58px;
            gap: 10px;
            flex-wrap: wrap;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            text-decoration: none;
            white-space: nowrap;
            letter-spacing: -0.3px;
        }
        .logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, #0d6efd, #00c6ff);
            border-radius: 12px;
            display: flex;
            box-shadow: 0 4px 14px rgba(13,110,253,0.4);
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }
        nav {
            display: flex;
            gap: 3px;
            flex-wrap: wrap;
            align-items: center;
        }
        nav a {
            text-decoration: none;
            color: var(--text-secondary);
            padding: 6px 13px;
            border-radius: 18px;
            font-weight: 500;
            font-size: 0.83rem;
            transition: var(--transition);
            white-space: nowrap;
            letter-spacing: 0.1px;
        }
        nav a:hover,
        nav a.active {
            background: var(--primary-light);
            color: var(--primary);
        }
        nav a.active {
            font-weight: 600;
        }

        /* CONVERTER SECTION - full width under header */
        .converter-section {
            max-width: 1260px;
            margin: 0 auto;
            padding: 18px 16px 10px;
            width: 100%;
        }
        .converter-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 22px 20px;
            border: 1px solid var(--border);
        }
        .converter-card h1 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 4px;
            letter-spacing: -0.3px;
            text-align: center;
        }
        .converter-card .subtitle {
            color: var(--text-secondary);
            font-size: 0.85rem;
            margin-bottom: 14px;
            text-align: center;
        }
        .category-row {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            justify-content: center;
            margin-bottom: 16px;
        }
        .cat-chip {
            padding: 7px 13px;
            border: 2px solid var(--border);
            border-radius: 20px;
            background: var(--surface);
            cursor: pointer;
            font-size: 0.78rem;
            font-weight: 500;
            transition: var(--transition);
            white-space: nowrap;
            font-family: var(--font);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .cat-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .cat-chip.active-cat {
            border-color: var(--primary);
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .conversion-row {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .input-group {
            flex: 1;
            min-width: 150px;
            max-width: 280px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .input-group label {
            font-weight: 600;
            font-size: 0.78rem;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.4px;
        }
        .input-group input,
        .input-group select {
            padding: 12px 14px;
            border: 2px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 1rem;
            font-weight: 500;
            transition: var(--transition);
            background: #fafbfc;
            font-family: var(--font);
            width: 100%;
            color: var(--text);
        }
        .input-group input:focus,
        .input-group select:focus {
            outline: none;
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(13, 110, 253, 0.08);
            background: #fff;
        }
        .input-group select {
            cursor: pointer;
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236c757d' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            padding-right: 34px;
        }
        .swap-btn {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            border: 2px solid var(--border);
            background: var(--surface);
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-top: 20px;
            color: var(--primary);
            font-weight: 700;
        }
        .swap-btn:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            transform: rotate(180deg);
        }
        .btn-row {
            display: flex;
            gap: 8px;
            justify-content: center;
            margin-top: 12px;
            flex-wrap: wrap;
        }
        .btn {
            padding: 11px 22px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.88rem;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            font-family: var(--font);
            letter-spacing: 0.2px;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(13, 110, 253, 0.25);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(13, 110, 253, 0.35);
        }
        .btn-outline {
            background: #fff;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary-light);
        }
        .result-box {
            margin-top: 16px;
            padding: 18px;
            background: #f0fdf4;
            border-radius: var(--radius-sm);
            border: 2px solid #bbf7d0;
            text-align: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: #166534;
            min-height: 54px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            word-break: break-word;
            transition: var(--transition);
        }
        .result-box .copy-btn {
            cursor: pointer;
            font-size: 1rem;
            opacity: 0.5;
            transition: var(--transition);
            padding: 4px 8px;
            border-radius: 4px;
            border: none;
            background: transparent;
        }
        .result-box .copy-btn:hover {
            opacity: 1;
            background: rgba(0, 0, 0, 0.05);
        }

        /* QUICK LINKS */
        .quick-links-section {
            max-width: 1260px;
            margin: 8px auto;
            padding: 0 16px;
            width: 100%;
        }
        .quick-links-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 16px 18px;
            border: 1px solid var(--border);
            text-align: center;
        }
        .quick-links-card h3 {
            font-size: 1rem;
            margin-bottom: 10px;
            color: var(--text);
            letter-spacing: -0.2px;
        }
        .quick-links-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 7px;
            justify-content: center;
        }
        .quick-link {
            padding: 7px 14px;
            border: 2px solid #e9ecef;
            border-radius: 20px;
            background: #f8f9fa;
            cursor: pointer;
            font-size: 0.8rem;
            font-weight: 500;
            transition: var(--transition);
            text-decoration: none;
            color: var(--text);
            font-family: var(--font);
            white-space: nowrap;
        }
        .quick-link:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-1px);
            box-shadow: 0 2px 6px rgba(0, 0, 0, 0.08);
        }

        /* MAIN LAYOUT below converter */
        .main-wrapper {
            max-width: 1260px;
            margin: 0 auto;
            padding: 10px 16px 24px;
            display: flex;
            gap: 20px;
            flex: 1;
            width: 100%;
        }
        .content-area {
            flex: 1;
            min-width: 0;
            max-width: 860px;
            margin: 0 auto;
            width: 100%;
        }

        /* PAGE SECTIONS */
        .page-section {
            display: none;
        }
        .page-section.active-page {
            display: block;
        }
        .card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 22px;
            border: 1px solid var(--border);
            margin-bottom: 16px;
        }
        .card h2 {
            font-size: 1.5rem;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }
        .card h3 {
            font-size: 1.1rem;
            margin: 18px 0 8px;
            color: var(--text);
        }
        .card p,
        .card li {
            color: var(--text-secondary);
            margin-bottom: 9px;
            font-size: 0.92rem;
        }
        .card ul {
            padding-left: 20px;
        }
        .card .updated {
            font-style: italic;
            color: #adb5bd;
            font-size: 0.8rem;
            margin-bottom: 14px;
        }

        /* FOOTER */
        footer {
            background: var(--surface);
            border-top: 1px solid var(--border);
            padding: 16px 20px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 0.82rem;
            margin-top: auto;
        }
        footer a {
            color: var(--primary);
            text-decoration: none;
        }
        footer a:hover {
            text-decoration: underline;
        }
        .footer-links {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 6px;
        }

        /* RESPONSIVE */
        @media (max-width: 1024px) {
            .main-wrapper {
                flex-direction: column;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                height: auto;
                padding: 8px 0;
                gap: 4px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.9rem;
                border-radius: 7px;
            }
            nav a {
                padding: 5px 9px;
                font-size: 0.72rem;
                border-radius: 14px;
            }
            .converter-card {
                padding: 14px 10px;
            }
            .converter-card h1 {
                font-size: 1.2rem;
            }
            .cat-chip {
                padding: 5px 10px;
                font-size: 0.7rem;
                border-radius: 16px;
            }
            .conversion-row {
                flex-direction: column;
                gap: 6px;
            }
            .input-group {
                max-width: 100%;
            }
            .swap-btn {
                margin-top: 0;
                transform: rotate(90deg);
                align-self: center;
            }
            .swap-btn:hover {
                transform: rotate(270deg);
            }
            .result-box {
                font-size: 1rem;
                padding: 12px;
            }
            .quick-links-grid {
                gap: 4px;
            }
            .quick-link {
                padding: 5px 10px;
                font-size: 0.7rem;
                border-radius: 14px;
            }
            .btn {
                padding: 9px 16px;
                font-size: 0.8rem;
            }
            .card {
                padding: 14px 10px;
            }
            .card h2 {
                font-size: 1.2rem;
            }
            .card h3 {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 480px) {
            .cat-chip {
                padding: 4px 7px;
                font-size: 0.65rem;
                border-radius: 12px;
                border-width: 1.5px;
            }
            .quick-link {
                padding: 4px 8px;
                font-size: 0.65rem;
                border-radius: 10px;
            }
            .input-group input,
            .input-group select {
                padding: 10px 10px;
                font-size: 0.9rem;
            }
            .input-group select {
                padding-right: 28px;
            }
            nav a {
                padding: 4px 7px;
                font-size: 0.68rem;
            }
        }