:root {
    --primary-color: #4a6ee0;
    --primary-hover: #3558c7;
    --secondary-color: #2c3e50;
    --bg-color: #f8f9fa;
    --card-bg: #ffffff;
    --text-color: #333333;
    --text-muted: #6c757d;
    --border-color: #e0e0e0;
    --success-color: #28a745;
    --danger-color: #dc3545;
    --sidebar-bg: #1e293b;
    --sidebar-text: #e2e8f0;
    --sidebar-hover: #334155;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark-mode {
    --primary-color: #5c7cfa;
    --primary-hover: #4c6ef5;
    --secondary-color: #1a1a1a;
    --bg-color: #0f172a;
    --card-bg: #1e293b;
    --text-color: #f8f9fa;
    --text-muted: #94a3b8;
    --border-color: #334155;
    --sidebar-bg: #0b1120;
    --sidebar-text: #cbd5e1;
    --sidebar-hover: #1e293b;
}

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

body {
    font-family: 'Kufam', 'IBM Plex Sans Arabic', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    min-height: 100vh;
    transition: var(--transition);
}

/* Sidebar */
.sidebar {
    width: 260px;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
    z-index: 100;
    transition: var(--transition);
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
}

.logo {
    padding: 30px 20px;
    text-align: center;
    border-bottom: 1px solid var(--border-color);
}

.logo h2 {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(45deg, var(--primary-color), #8e2de2);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
}

.nav-links {
    list-style: none;
    flex: 1;
    padding-top: 20px;
}

.nav-links li {
    padding: 15px 25px;
    cursor: pointer;
    transition: var(--transition);
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 12px;
}

.nav-links li i {
    width: 20px;
    text-align: center;
}

.nav-links li:hover:not(.disabled) {
    background-color: var(--sidebar-hover);
    color: #fff;
}

.nav-links li.active {
    background-color: var(--primary-color);
    color: white;
    border-right: 4px solid #fff;
}

.nav-links li.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.sidebar-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
}

/* Main Content */
.main-content {
    flex: 1;
    margin-right: 260px; /* offset for sidebar RTL */
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.top-header {
    background-color: var(--card-bg);
    padding: 30px;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 90;
    transition: var(--transition);
}

.top-header h1 {
    font-weight: 800;
    margin-bottom: 10px;
}

.content-wrapper {
    flex: 1;
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

.step-section {
    display: none;
}

.step-section.active {
    display: block;
}

/* Cards */
.card {
    background-color: var(--card-bg);
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.03);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.card h3 {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--primary-color);
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
}

.input-field {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: inherit;
    transition: var(--transition);
}

.input-field:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(74, 110, 224, 0.2);
}

.input-group {
    display: flex;
    align-items: center;
}

.input-group .prefix {
    padding: 12px 15px;
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
    border: 1px solid var(--border-color);
    border-left: none;
    border-radius: 0 8px 8px 0;
    font-weight: bold;
    direction: ltr;
}

.input-group .input-field {
    border-radius: 8px 0 0 8px;
    direction: ltr;
    text-align: left;
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--border-color);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    background-color: rgba(0,0,0,0.01);
}

.upload-zone:hover, .upload-zone.dragover {
    border-color: var(--primary-color);
    background-color: rgba(74, 110, 224, 0.05);
}

.upload-zone i {
    color: var(--primary-color);
    margin-bottom: 15px;
}

.info-box {
    margin-top: 15px;
    padding: 15px;
    border-radius: 8px;
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success-color);
    border: 1px solid rgba(40, 167, 69, 0.2);
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Buttons */
.btn {
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-family: inherit;
    font-weight: 600;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    justify-content: center;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover:not(.disabled) {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 4px 10px rgba(74, 110, 224, 0.3);
}

.btn-danger {
    background-color: var(--danger-color);
    color: white;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-color);
}

.btn-outline:hover {
    background-color: var(--sidebar-bg);
    color: var(--sidebar-text);
}

.btn-large {
    padding: 15px 30px;
    font-size: 1.1rem;
}

.btn.disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-icon {
    width: 100%;
    background: transparent;
    border: 1px solid var(--border-color);
    color: inherit;
}

.btn-icon:hover {
    background: rgba(255,255,255,0.1);
}

/* Processing */
.progress-container {
    height: 12px;
    background-color: var(--bg-color);
    border-radius: 10px;
    overflow: hidden;
    margin: 20px 0;
    border: 1px solid var(--border-color);
}

.progress-bar {
    height: 100%;
    background-color: var(--primary-color);
    transition: width 0.3s ease;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-bottom: 20px;
}

.stat-box {
    background-color: var(--bg-color);
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    border: 1px solid var(--border-color);
}

.stat-box span {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    margin-top: 10px;
}

.stat-box.success span { color: var(--success-color); }
.stat-box.danger span { color: var(--danger-color); }

.log-container {
    height: 200px;
    overflow-y: auto;
    background-color: #1e1e1e;
    color: #00ff00;
    padding: 15px;
    border-radius: 8px;
    font-family: monospace;
    font-size: 0.9rem;
    direction: ltr;
    text-align: left;
}

.log-entry { margin-bottom: 5px; border-bottom: 1px solid #333; padding-bottom: 2px; }
.log-entry.error { color: #ff5555; }
.log-entry.success { color: #55ff55; }

/* Editor Grid */
.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
}

.glyph-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 15px;
}

.glyph-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 10px;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
}

.glyph-card:hover {
    border-color: var(--primary-color);
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.glyph-svg-wrap {
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 10px;
    background-color: #f0f0f0; /* Checkerboard or light bg for contrast */
    border-radius: 4px;
    overflow: hidden;
}

.dark-mode .glyph-svg-wrap {
    background-color: #2a2a2a;
}

.glyph-svg-wrap svg {
    max-width: 100%;
    max-height: 100%;
    fill: var(--text-color);
}

.glyph-name {
    font-size: 0.8rem;
    color: var(--text-muted);
    word-break: break-all;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: var(--card-bg);
    border-radius: 12px;
    width: 90%;
    max-width: 800px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
    border: 1px solid var(--border-color);
    animation: slideIn 0.3s ease;
}

.modal-header {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close {
    font-size: 2.5rem;
    line-height: 1;
    font-weight: bold;
    cursor: pointer;
    color: var(--danger-color);
    background: rgba(220, 53, 69, 0.1);
    width: 45px;
    height: 45px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--transition);
}

.close:hover { 
    color: #fff; 
    background: var(--danger-color); 
    transform: rotate(90deg);
}

.modal-body {
    padding: 20px;
    display: flex;
    gap: 20px;
}

@media (max-width: 768px) {
    .modal-body { flex-direction: column; }
}

.preview-area {
    flex: 1;
    background-color: #fff; /* Always white for previewing black text */
    border: 1px solid var(--border-color);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.controls-area {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.modal-footer {
    padding: 20px;
    border-top: 1px solid var(--border-color);
    text-align: left;
}

/* Footer */
footer {
    margin-top: auto;
    padding: 20px;
    text-align: center;
    border-top: 1px solid var(--border-color);
    background-color: var(--card-bg);
}

.social-links {
    margin-top: 10px;
    display: flex;
    justify-content: center;
    gap: 15px;
}

.footer-link {
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 600;
}

.footer-link:hover { text-decoration: underline; }

/* Utilities */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }
.mb-3 { margin-bottom: 1rem; }
.center { display: flex; justify-content: center; align-items: center; flex-direction: column; }
.text-success { color: var(--success-color); }
.text-muted { color: var(--text-muted); }

/* Animations */
.fade-in {
    animation: fadeIn 0.5s cubic-bezier(0.4, 0, 0.2, 1) forwards;
    opacity: 0;
    transform: translateY(10px);
}

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

@keyframes slideIn {
    from { opacity: 0; transform: translateY(-30px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Responsive */
@media (max-width: 900px) {
    .sidebar { width: 80px; }
    .sidebar .logo h2, .sidebar .logo span, .nav-links li span { display: none; }
    .nav-links li { justify-content: center; padding: 15px; }
    .nav-links li i { margin: 0; font-size: 1.2rem; }
    .main-content { margin-right: 80px; }
    #theme-toggle { font-size: 0; }
    #theme-toggle i { margin: 0; font-size: 1.2rem; }
}

@media (max-width: 600px) {
    .sidebar {
        width: 100%;
        height: 60px;
        flex-direction: row;
        bottom: 0;
        top: auto;
    }
    .main-content { margin-right: 0; margin-bottom: 60px; }
    .nav-links { display: flex; padding: 0; }
    .logo, .sidebar-footer { display: none; }
}