/* ===================================================
   محول بلس — Design System v2
   =================================================== */
@import url('https://fonts.googleapis.com/css2?family=Tajawal:wght@400;500;700;800;900&display=swap');

/* ==================== Variables ==================== */
:root {
    --primary: #5a67f2;
    --primary-hover: #4453d6;
    --primary-light: rgba(90,103,242,0.12);
    --secondary: #3ecfcf;
    --accent: #f72585;
    --background: #f0f2ff;
    --surface: #ffffff;
    --surface-2: #f7f8ff;
    --text-main: #1a1b2e;
    --text-muted: #7b809a;
    --border: #e3e6f5;
    --shadow-sm: 0 2px 8px rgba(90,103,242,0.07);
    --shadow: 0 4px 20px rgba(90,103,242,0.10);
    --shadow-hover: 0 12px 32px rgba(90,103,242,0.18);
    --radius: 16px;
    --radius-sm: 10px;
    --transition: all 0.25s cubic-bezier(.4,0,.2,1);
    --header-height: 68px;
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
}

[data-theme="dark"] {
    --primary: #6b79ff;
    --primary-hover: #8892ff;
    --primary-light: rgba(107,121,255,0.15);
    --secondary: #3ecfcf;
    --accent: #f72585;
    --background: #0d0e1a;
    --surface: #13141f;
    --surface-2: #1a1b2e;
    --text-main: #e8eaf6;
    --text-muted: #7b809a;
    --border: #252637;
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
    --shadow: 0 4px 20px rgba(0,0,0,0.4);
    --shadow-hover: 0 12px 32px rgba(0,0,0,0.5);
    --gradient: linear-gradient(135deg, var(--primary), var(--secondary));
}

/* ==================== Reset & Base ==================== */
*, *::before, *::after { margin:0; padding:0; box-sizing:border-box; }

html { scroll-behavior: smooth; }

body {
    font-family: 'Tajawal', sans-serif;
    background: var(--background);
    color: var(--text-main);
    line-height: 1.6;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
    transition: background 0.3s, color 0.3s;
}

a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-hover); }
ul { list-style: none; }

/* ==================== Header ==================== */
.site-header {
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 200;
    height: var(--header-height);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

[data-theme="dark"] .site-header {
    background: rgba(19,20,31,0.95);
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
    gap: 16px;
}

/* ==================== Logo ==================== */
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.4rem;
    font-weight: 900;
    flex-shrink: 0;
    color: var(--text-main);
}

.logo-icon { font-size: 1.5rem; }

.logo-text {
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ==================== Search ==================== */
.search-bar {
    flex: 1;
    max-width: 380px;
    position: relative;
    margin: 0 12px;
}

.search-input {
    width: 100%;
    padding: 9px 42px 9px 16px;
    border-radius: 50px;
    border: 1.5px solid var(--border);
    background: var(--surface-2);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.search-input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: var(--surface);
}

.search-icon {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
    pointer-events: none;
}

.search-results {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    max-height: 320px;
    overflow-y: auto;
    display: none;
    z-index: 500;
}

/* ==================== Nav ==================== */
.main-nav {
    display: flex;
    align-items: center;
    gap: 6px;
}

.nav-link {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.95rem;
    padding: 7px 14px;
    border-radius: 50px;
    transition: var(--transition);
}

.nav-link:hover, .nav-link.active {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-dropdown { position: relative; }

.dropdown-toggle {
    background: none;
    border: none;
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--text-muted);
    padding: 7px 14px;
    border-radius: 50px;
    transition: var(--transition);
}

.dropdown-toggle:hover { background: var(--primary-light); color: var(--primary); }

.dropdown-menu {
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    min-width: 260px;
    max-height: 400px;
    overflow-y: auto;
    padding: 8px;
    display: none;
    z-index: 500;
}

.dropdown-menu.show { display: block; animation: slideDown 0.2s ease; }

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-10px); }
    to { opacity: 1; transform: translateY(0); }
}

.dropdown-menu::-webkit-scrollbar { width: 5px; }
.dropdown-menu::-webkit-scrollbar-thumb { background: var(--border); border-radius: 10px; }
.dropdown-menu::-webkit-scrollbar-thumb:hover { background: var(--text-muted); }


.dropdown-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 0.9rem;
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

/* ==================== Header Actions ==================== */
.header-actions { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

.icon-btn {
    background: var(--surface-2);
    border: 1.5px solid var(--border);
    font-size: 1.1rem;
    color: var(--text-muted);
    cursor: pointer;
    width: 38px;
    height: 38px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.icon-btn:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

/* ==================== Language Button ==================== */
#lang-toggle {
    padding: 0 14px;
    width: auto;
    border-radius: 50px;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.85rem;
}

/* ==================== Mobile ==================== */
.mobile-only { display: none; }

.mobile-menu {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 1000;
}

.mobile-menu-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
}

.mobile-menu-panel {
    position: absolute;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 320px;
    height: 100%;
    background: var(--surface);
    display: flex;
    flex-direction: column;
    transition: right 0.3s cubic-bezier(.4,0,.2,1);
    box-shadow: -8px 0 32px rgba(0,0,0,0.15);
}

.mobile-menu.active .mobile-menu-panel { right: 0; }

.mobile-menu-header {
    padding: 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 800;
    font-size: 1.1rem;
}

.mobile-menu-content {
    padding: 16px;
    overflow-y: auto;
    flex: 1;
}

.mobile-menu-item {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 13px 12px;
    border-radius: var(--radius-sm);
    color: var(--text-main);
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    margin-bottom: 4px;
}

.mobile-menu-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.mobile-cat-label {
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    padding: 16px 12px 6px;
}

/* ==================== Main Content ==================== */
.app-content {
    flex: 1;
    padding: 32px 24px;
    max-width: 1200px;
    width: 100%;
    margin: 0 auto;
}

.page { animation: fadeIn 0.35s ease; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(14px); }
    to   { opacity: 1; transform: translateY(0); }
}

/* ==================== Hero ==================== */
.hero {
    text-align: center;
    margin-bottom: 48px;
    padding: 48px 20px 0;
}

.hero h1 {
    font-size: clamp(2.2rem, 8vw, 3.8rem);
    font-weight: 900;
    margin-bottom: 18px;
    background: linear-gradient(135deg, #fff 0%, var(--primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 10px 15px rgba(90, 103, 242, 0.3));
}

.hero p {
    font-size: clamp(1rem, 3vw, 1.25rem);
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 5px 14px;
    border-radius: 50px;
    margin-bottom: 20px;
    border: 1px solid rgba(90,103,242,0.2);
}

/* ==================== Tools Grid ==================== */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 18px;
}

.tools-section-header {
    grid-column: 1 / -1;
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 12px;
    margin-bottom: 4px;
}

.tools-section-header h2 {
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.tools-section-line {
    flex: 1;
    height: 1px;
    background: var(--border);
}

/* ==================== Tool Card ==================== */
.tool-card {
    background: var(--surface);
    border: 1.5px solid var(--border);
    border-radius: var(--radius);
    padding: 22px;
    display: flex;
    align-items: flex-start;
    gap: 16px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.tool-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient);
    opacity: 0;
    transition: var(--transition);
}

.tool-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    border-color: var(--primary);
}

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

.tool-icon {
    font-size: 1.6rem;
    color: var(--primary);
    background: var(--primary-light);
    width: 56px;
    height: 56px;
    min-width: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
    transition: var(--transition);
}

.tool-card:hover .tool-icon {
    background: var(--gradient);
    color: white;
    transform: scale(1.05);
}

.tool-info h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 5px;
    color: var(--text-main);
    transition: var(--transition);
}

.tool-card:hover .tool-info h3 { color: var(--primary); }

.tool-info p {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.5;
}

/* ==================== Tool Page ==================== */
.tool-header {
    text-align: center;
    margin-bottom: 28px;
}

.tool-header h2 {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 8px;
}

.tool-header p { color: var(--text-muted); }

.tool-container {
    max-width: 800px;
    margin: 0 auto;
    background: var(--surface);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 32px;
    border: 1.5px solid var(--border);
}

/* Breadcrumb */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 20px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb span { color: var(--text-muted); }

/* ==================== Drop Zone ==================== */
.drop-zone {
    border: 2px dashed var(--primary);
    border-radius: var(--radius);
    padding: 44px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background: var(--primary-light);
}

.drop-zone:hover, .drop-zone.dragover {
    background: rgba(90,103,242,0.15);
    border-color: var(--primary-hover);
    transform: scale(1.01);
}

.drop-icon {
    font-size: 2.8rem;
    color: var(--primary);
    margin-bottom: 12px;
    display: block;
}

/* ==================== Buttons ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    background: var(--gradient);
    color: white;
    border: none;
    padding: 11px 24px;
    border-radius: 50px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 700;
    font-size: 0.95rem;
    transition: var(--transition);
    box-shadow: 0 4px 14px rgba(90,103,242,0.3);
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(90,103,242,0.4);
    color: white;
}

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

.btn:disabled {
    background: var(--border);
    color: var(--text-muted);
    cursor: not-allowed;
    box-shadow: none;
    transform: none;
}

.btn-secondary {
    background: var(--surface);
    color: var(--text-main);
    border: 1.5px solid var(--border);
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--surface-2);
    color: var(--primary);
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

/* ==================== Controls ==================== */
.controls { margin-top: 22px; display: flex; flex-direction: column; gap: 16px; }

.control-group { display: flex; flex-direction: column; gap: 6px; }

.control-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-main);
}

.form-control {
    padding: 10px 14px;
    border-radius: var(--radius-sm);
    border: 1.5px solid var(--border);
    background: var(--surface-2);
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.95rem;
    transition: var(--transition);
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
    background: var(--surface);
}

/* ==================== Loading ==================== */
.loading-screen {
    display: none;
    justify-content: center;
    align-items: center;
    padding: 40px;
}

.loader { display: flex; flex-direction: column; align-items: center; gap: 14px; }

.loader-ring {
    width: 44px;
    height: 44px;
    border: 4px solid var(--border);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==================== Ads ==================== */
.ad-banner {
    width: 100%;
    padding: 10px;
    display: flex;
    justify-content: center;
    align-items: center;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
}

.ad-placeholder {
    width: 728px;
    height: 90px;
    background: var(--surface-2);
    border: 1.5px dashed var(--border);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    border-radius: var(--radius-sm);
    max-width: 100%;
    gap: 6px;
    font-size: 0.85rem;
}

.ad-interstitial {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
}

.interstitial-overlay {
    position: absolute;
    inset: 0;
    background: rgba(0,0,0,0.75);
    backdrop-filter: blur(6px);
}

.interstitial-content {
    background: var(--surface);
    padding: 24px;
    border-radius: var(--radius);
    position: relative;
    z-index: 10;
    width: 90%;
    max-width: 400px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-hover);
    border: 1.5px solid var(--border);
}

.interstitial-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 700;
    color: var(--text-main);
}

.interstitial-timer {
    background: var(--gradient);
    color: white;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-weight: 800;
    font-size: 0.9rem;
}

.interstitial-body {
    width: 100%;
    height: 280px;
    background: var(--surface-2);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    border: 1.5px dashed var(--border);
}

.interstitial-skip {
    background: var(--surface-2);
    color: var(--text-muted);
    border: 1.5px solid var(--border);
    padding: 9px 22px;
    border-radius: 50px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    transition: var(--transition);
}

.interstitial-skip:hover {
    background: var(--primary);
    color: white;
    border-color: var(--primary);
}

/* ==================== Footer ==================== */
.site-footer {
    background: var(--surface);
    border-top: 1.5px solid var(--border);
    padding: 48px 24px 24px;
    margin-top: auto;
}

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

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 32px;
    margin-bottom: 36px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 900;
    margin-bottom: 14px;
}

.footer-desc { color: var(--text-muted); font-size: 0.9rem; line-height: 1.7; }

.footer-col h4 {
    margin-bottom: 16px;
    font-weight: 800;
    font-size: 0.95rem;
    color: var(--text-main);
}

.footer-col ul li { margin-bottom: 10px; }

.footer-col a {
    color: var(--text-muted);
    font-size: 0.9rem;
    transition: var(--transition);
}

.footer-col a:hover { color: var(--primary); padding-right: 4px; }

.footer-bottom {
    text-align: center;
    padding-top: 24px;
    border-top: 1.5px solid var(--border);
    color: var(--text-muted);
    font-size: 0.875rem;
}

/* ==================== Static Pages ==================== */
.static-page-content { line-height: 2; color: var(--text-main); }
.static-page-content p { margin-bottom: 16px; }

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
    .site-header {
        background: var(--surface) !important;
        backdrop-filter: none !important;
        -webkit-backdrop-filter: none !important;
        height: 60px !important;
    }

    .header-container {
        padding: 0 15px !important;
        height: 60px !important;
        display: flex !important;
        justify-content: space-between !important;
        align-items: center !important;
    }
    
    .logo { gap: 8px !important; }
    .logo-text { font-size: 1.05rem !important; }
    .logo-icon { font-size: 1.3rem !important; }

    .hero { padding: 40px 20px 25px !important; }
    .hero-badge { font-size: 0.7rem !important; padding: 5px 12px !important; }
    
    .tools-grid {
        grid-template-columns: 1fr !important;
        gap: 12px !important;
        padding: 10px !important;
    }

    .search-bar { display: none !important; }
    .main-nav  { display: none !important; }
    .mobile-only { display: flex !important; }
    .mobile-menu.active { display: block !important; }

    .app-content { padding: 15px 12px !important; }

    #search-bar {
        display: none;
        padding: 10px 15px;
        background: var(--surface-2);
        border-bottom: 1px solid var(--border);
    }

    #search-bar.mobile-search-visible { display: flex; }
}

@media (max-width: 480px) {
    .hero h1 { font-size: 1.6rem !important; }
    .hero p { font-size: 0.9rem !important; }
    .hero { padding: 30px 10px 15px !important; }
    .logo-text { font-size: 1rem !important; }
    .logo-icon { font-size: 1.2rem !important; }
}