:root {
    --bg-dark: #09090b;
    --surface-dark: #18181b;
    --surface-light: rgba(39, 39, 42, 0.6);
    --text-main: #f8fafc;
    --text-muted: #a1a1aa;
    --primary: #8b5cf6;
    --primary-hover: #7c3aed;
    --accent-1: #3b82f6;
    --accent-2: #ec4899;
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-highlight: rgba(255, 255, 255, 0.03);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Outfit', sans-serif;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Stunning Mesh Background */
.mesh-background {
    position: fixed;
    top: 0; left: 0; width: 100vw; height: 100vh;
    z-index: -1;
    overflow: hidden;
    background: var(--bg-dark);
}

.mesh-blob {
    position: absolute;
    filter: blur(100px);
    opacity: 0.4;
    border-radius: 50%;
    animation: drift 15s infinite alternate ease-in-out;
}

.mesh-blob-1 {
    top: -20%; left: -10%;
    width: 60vw; height: 60vw;
    background: radial-gradient(circle, var(--primary), transparent 70%);
}

.mesh-blob-2 {
    bottom: -20%; right: -10%;
    width: 50vw; height: 50vw;
    background: radial-gradient(circle, var(--accent-1), transparent 70%);
    animation-delay: -5s;
}

.mesh-blob-3 {
    top: 40%; left: 60%;
    width: 40vw; height: 40vw;
    background: radial-gradient(circle, var(--accent-2), transparent 70%);
    animation-delay: -10s;
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(40px, 40px) scale(1.1); }
}

.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
}

/* Typography & Header */
.app-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.logo-container {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary);
    filter: drop-shadow(0 0 15px rgba(139, 92, 246, 0.6));
}

.app-header h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -1px;
    background: linear-gradient(135deg, #fff, #a1a1aa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.5rem;
}

.app-header p {
    color: var(--text-muted);
    font-size: 1.1rem;
    font-weight: 300;
}

/* Glassmorphism Classes */
.glass {
    background: var(--surface-light);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5), inset 0 1px 0 var(--glass-highlight);
    border-radius: 1.25rem;
}

.card {
    padding: 2.5rem;
    margin-bottom: 2rem;
}

/* Forms */
.form-row {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.half-width {
    flex: 1;
}

.form-group {
    margin-bottom: 1.5rem;
}

label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
    font-weight: 600;
    color: var(--text-main);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

label i { color: var(--primary); }

input, textarea {
    width: 100%;
    padding: 1rem 1.25rem;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    color: var(--text-main);
    font-size: 1.05rem;
    transition: all 0.3s ease;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    background: rgba(0, 0, 0, 0.5);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.2);
}

textarea { resize: vertical; min-height: 120px; }

/* Buttons */
.glow-btn {
    width: 100%;
    padding: 1.1rem;
    background: linear-gradient(135deg, var(--primary), var(--accent-1));
    border: none;
    border-radius: 0.75rem;
    color: white;
    font-size: 1.15rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 20px -10px var(--primary);
    position: relative;
    overflow: hidden;
}

.glow-btn::before {
    content: '';
    position: absolute;
    top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.glow-btn:hover::before { left: 100%; }

.glow-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 15px 25px -10px var(--primary);
}

.glow-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
}

/* Loaders & Visibility */
.hidden { display: none !important; }

.loader {
    width: 22px; height: 22px;
    border: 3px solid rgba(255,255,255,0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 0.8s linear infinite;
}

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

/* Results & Sections */
.mt-4 { margin-top: 3rem; }

.section-title {
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.section-title h2 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.section-title h2 i { color: var(--primary); }

.divider {
    flex: 1;
    height: 1px;
    background: linear-gradient(90deg, var(--glass-border), transparent);
}

/* Attempt Cards */
.attempt-card {
    background: rgba(24, 24, 27, 0.7);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 1.5rem;
    margin-bottom: 1.25rem;
    transition: transform 0.3s;
    backdrop-filter: blur(10px);
}

.attempt-card:hover {
    transform: translateX(5px);
    border-color: rgba(139, 92, 246, 0.4);
}

.attempt-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px dashed var(--glass-border);
}

.attempt-header h3 { font-size: 1.1rem; font-weight: 600; }

.status-badge {
    padding: 0.35rem 1rem;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.status-approved {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    border: 1px solid rgba(52, 211, 153, 0.3);
}

.status-rejected {
    background: rgba(244, 63, 94, 0.15);
    color: #fb7185;
    border: 1px solid rgba(251, 113, 133, 0.3);
}

.review-content {
    background: rgba(0, 0, 0, 0.4);
    padding: 1.25rem;
    border-radius: 0.75rem;
    font-family: 'JetBrains Mono', monospace;
    white-space: pre-wrap;
    font-size: 0.9rem;
    color: #cbd5e1;
    line-height: 1.6;
}

/* Workspace */
.document-workspace {
    background: var(--surface-dark);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 10px 30px -10px rgba(0,0,0,0.8);
}

.workspace-toolbar {
    background: rgba(0,0,0,0.4);
    border-bottom: 1px solid var(--glass-border);
    padding: 0.75rem 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tabs {
    display: flex;
    gap: 0.5rem;
}

.tab-btn {
    background: transparent;
    border: none;
    padding: 0.5rem 1rem;
    color: var(--text-muted);
    font-weight: 600;
    border-radius: 0.5rem;
    cursor: pointer;
    transition: all 0.2s;
    display: flex; align-items: center; gap: 0.5rem;
}

.tab-btn:hover { color: var(--text-main); background: rgba(255,255,255,0.05); }

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

.actions { display: flex; gap: 0.5rem; }

.action-btn {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    padding: 0.5rem 1rem;
    color: var(--text-main);
    border-radius: 0.5rem;
    cursor: pointer;
    font-weight: 500;
    transition: all 0.2s;
    display: flex; align-items: center; gap: 0.5rem;
}

.action-btn:hover {
    background: rgba(255,255,255,0.1);
    transform: translateY(-1px);
}

.workspace-content {
    position: relative;
    min-height: 400px;
    background: rgba(0,0,0,0.2);
}

.markdown-preview, .markdown-editor-textarea {
    width: 100%;
    min-height: 500px;
    padding: 2rem;
    display: none;
}

.active-view { display: block !important; }

.markdown-editor-textarea {
    background: transparent;
    border: none;
    color: #e2e8f0;
    font-family: 'JetBrains Mono', monospace;
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
}

.markdown-editor-textarea:focus {
    outline: none;
    box-shadow: none;
}

/* Markdown Rendering Styles */
.markdown-preview {
    color: #e2e8f0;
    line-height: 1.7;
}

.markdown-preview h1, .markdown-preview h2, .markdown-preview h3 {
    color: white;
    margin-top: 1.5rem;
    margin-bottom: 1rem;
    font-weight: 600;
}

.markdown-preview h1 { font-size: 2.2rem; border-bottom: 1px solid var(--glass-border); padding-bottom: 0.5rem; }
.markdown-preview h2 { font-size: 1.8rem; color: var(--primary); }
.markdown-preview p { margin-bottom: 1.25rem; }
.markdown-preview ul, .markdown-preview ol { margin-bottom: 1.25rem; padding-left: 2rem; }
.markdown-preview li { margin-bottom: 0.5rem; }

.markdown-preview pre {
    background: rgba(0,0,0,0.5);
    padding: 1.25rem;
    border-radius: 0.5rem;
    overflow-x: auto;
    margin-bottom: 1.25rem;
    border: 1px solid var(--glass-border);
}

.markdown-preview code {
    font-family: 'JetBrains Mono', monospace;
    background: rgba(255,255,255,0.1);
    padding: 0.2rem 0.4rem;
    border-radius: 0.25rem;
    font-size: 0.9em;
}

.markdown-preview pre code { background: none; padding: 0; }

.markdown-preview blockquote {
    border-left: 4px solid var(--primary);
    padding-left: 1rem;
    color: var(--text-muted);
    font-style: italic;
    background: rgba(139, 92, 246, 0.05);
    padding: 1rem;
    border-radius: 0 0.5rem 0.5rem 0;
}

/* Animations */
.fade-in {
    animation: fadeIn 0.6s cubic-bezier(0.4, 0, 0.2, 1) forwards;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}