:root {
    --bg-gradient: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: blur(24px);
    
    --accent-light: #818cf8;
    --accent-primary: #6366f1;
    --accent-dark: #4f46e5;
    --accent-glow: rgba(99, 102, 241, 0.5);
    
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-gradient);
    color: var(--text-primary);
    height: 100vh;
    overflow: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
}

/* Background Animated Orbs */
body::before, body::after {
    content: '';
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    z-index: -1;
    opacity: 0.5;
    animation: drift 15s infinite alternate ease-in-out;
}
body::before {
    width: 500px;
    height: 500px;
    background: #4f46e5;
    top: -150px;
    left: -150px;
}
body::after {
    width: 400px;
    height: 400px;
    background: #ec4899;
    bottom: -100px;
    right: -100px;
    animation-direction: alternate-reverse;
}

@keyframes drift {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(100px, 50px) scale(1.1); }
}

/* ---------------------------------
   Layout Container
----------------------------------*/
.app-container {
    display: flex;
    height: 100vh;
    padding: 1.25rem;
    gap: 1.25rem;
}

/* Glass Panel Base */
.sidebar, .main-content, .result-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    box-shadow: var(--glass-shadow);
    display: flex;
    flex-direction: column;
}

/* ---------------------------------
   Sidebar
----------------------------------*/
.sidebar {
    width: 280px;
    flex-shrink: 0;
    padding: 2rem 1.5rem;
    justify-content: space-between;
}

.sidebar-header .logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 3rem;
}

.sidebar-header .logo i {
    color: var(--accent-light);
    filter: drop-shadow(0 0 8px var(--accent-glow));
}

.sidebar-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.sidebar-nav a {
    text-decoration: none;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 1.25rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    font-weight: 500;
}

.sidebar-nav a i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
}

.sidebar-nav li.active a, .sidebar-nav a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
    transform: translateX(5px);
}

.sidebar-nav li.active a {
    color: var(--accent-light);
    border-left: 3px solid var(--accent-primary);
}

.sidebar-footer {
    border-top: 1px solid var(--glass-border);
    padding-top: 1.5rem;
}

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

.user-profile .avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-primary), #ec4899);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    color: #fff;
    box-shadow: 0 0 15px rgba(236, 72, 153, 0.4);
}

.user-info .name {
    font-weight: 600;
    font-size: 0.95rem;
}

.user-info .rank {
    font-size: 0.8rem;
    color: var(--accent-light);
}

.help-btn {
    text-decoration: none;
    color: var(--text-secondary);
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.3s ease;
}

.help-btn:hover {
    color: var(--text-primary);
}

/* ---------------------------------
   Main Content
----------------------------------*/
.main-content {
    flex-grow: 1;
    padding: 2.5rem 3rem;
    overflow-y: auto;
    position: relative;
    /* Custom Scrollbar */
}
.main-content::-webkit-scrollbar {
    width: 6px;
}
.main-content::-webkit-scrollbar-thumb {
    background: var(--glass-border);
    border-radius: 10px;
}

.content-header {
    margin-bottom: 2.5rem;
}

.content-header h1 {
    font-size: 2.2rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    letter-spacing: -0.5px;
}

.content-header h1 .highlight {
    background: linear-gradient(135deg, var(--accent-light), #ec4899);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 0 20px rgba(236, 72, 153, 0.2));
}

.content-header p {
    color: var(--text-secondary);
    font-size: 1.05rem;
}

/* Upload Section */
.upload-card {
    border: 2px dashed var(--glass-border);
    background: rgba(255,255,255,0.01);
    border-radius: 20px;
    padding: 4rem 2rem;
    text-align: center;
    transition: all 0.4s ease;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    margin-bottom: 3rem;
}

.upload-card:hover, .upload-card.drag-over {
    border-color: var(--accent-primary);
    background: rgba(99, 102, 241, 0.05);
    box-shadow: 0 0 30px var(--accent-glow);
}

.upload-card::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 50%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.05), transparent);
    transform: skewX(-20deg);
    transition: all 0.6s ease;
}

.upload-card:hover::before {
    left: 150%;
}

.upload-icon {
    font-size: 3.5rem;
    color: var(--accent-light);
    margin-bottom: 1.5rem;
    filter: drop-shadow(0 0 15px var(--accent-glow));
    animation: bounceIcon 3s infinite ease-in-out;
}

@keyframes bounceIcon {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

.upload-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.upload-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.upload-card p strong {
    color: var(--text-primary);
}

.btn {
    padding: 0.8rem 1.8rem;
    border-radius: 10px;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    font-family: 'Inter', sans-serif;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.btn-primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-dark));
    color: #fff;
    box-shadow: 0 4px 15px var(--accent-glow);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent-glow);
    background: linear-gradient(135deg, var(--accent-light), var(--accent-primary));
}

.file-limit {
    margin-top: 1rem;
    font-size: 0.8rem;
    color: var(--text-muted);
}

/* Recent Activity */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.section-header h3 {
    font-size: 1.2rem;
    font-weight: 600;
}

.view-all {
    color: var(--accent-light);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
}

.view-all:hover {
    text-decoration: underline;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.activity-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--glass-border);
    border-radius: 14px;
    transition: all 0.3s;
}

.activity-item:hover {
    background: rgba(255,255,255,0.05);
    transform: translateX(5px);
    border-color: rgba(255,255,255,0.15);
}

.item-preview {
    width: 45px; height: 45px;
    border-radius: 10px;
    background: rgba(255,255,255,0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-right: 1.2rem;
}

.item-details {
    flex-grow: 1;
}

.item-details h4 {
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 0.3rem;
}

.item-details p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.item-status {
    font-size: 0.8rem;
    font-weight: 500;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
}

.item-status.success {
    background: var(--success-bg);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* ---------------------------------
   Result Panel
----------------------------------*/
.result-panel {
    width: 450px;
    padding: 0;
    display: none;
    flex-direction: column;
    transition: all 0.4s ease;
    overflow: hidden;
}

.result-panel.active {
    display: flex;
    animation: slideInRight 0.5s ease backwards;
}

@keyframes slideInRight {
    from { opacity: 0; transform: translateX(50px); }
    to { opacity: 1; transform: translateX(0); }
}

.panel-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--glass-border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.close-panel {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    transition: color 0.3s;
}

.close-panel:hover {
    color: var(--text-primary);
}

.document-preview {
    height: 180px;
    background: rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
}

.document-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.7;
}

.empty-state {
    text-align: center;
    color: var(--text-muted);
}
.empty-state i {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.transcript-header {
    padding: 1.5rem 1.5rem 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.transcript-header h3 {
    font-size: 1.1rem;
    color: var(--accent-light);
}

.action-btns .btn-icon {
    background: transparent;
    border: 1px solid var(--glass-border);
    color: var(--text-secondary);
    width: 32px; height: 32px;
    border-radius: 8px;
    cursor: pointer;
    margin-left: 0.5rem;
    transition: all 0.3s;
}

.action-btns .btn-icon:hover {
    background: rgba(255,255,255,0.1);
    color: var(--text-primary);
}

.transcript-content {
    flex-grow: 1;
    padding: 0 1.5rem;
    margin-bottom: 1.5rem;
}

.transcript-content textarea {
    width: 100%;
    height: 100%;
    background: rgba(255,255,255,0.02);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    padding: 1rem;
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.95rem;
    line-height: 1.6;
    resize: none;
    outline: none;
    box-shadow: inset 0 2px 10px rgba(0,0,0,0.1);
}

.transcript-content textarea:focus {
    border-color: rgba(255,255,255,0.2);
}

.panel-footer {
    padding: 1.5rem;
    border-top: 1px solid var(--glass-border);
}

.btn-secondary {
    background: rgba(255,255,255,0.05);
    border: 1px solid var(--glass-border);
    color: var(--text-primary);
}

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

.w-full {
    width: 100%;
}

/* ---------------------------------
   Loading Overlay
----------------------------------*/
.loading-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s;
    border-radius: 20px;
}

.loading-overlay.active {
    display: flex;
    opacity: 1;
}

.loader-content {
    text-align: center;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    padding: 3rem;
    border-radius: 24px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.5);
}

.spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255,255,255,0.1);
    border-top-color: var(--accent-light);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 1.5rem;
}

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

.loader-content h3 {
    margin-bottom: 0.5rem;
    font-size: 1.2rem;
}

.loader-content p {
    color: var(--text-muted);
    font-size: 0.9rem;
}