:root {
    --bg-body: #050505;
    --bg-sidebar: #0b0b0d;
    --bg-card: #141416;
    --accent: #3b82f6;
    --accent-glow: rgba(59, 130, 246, 0.4);
    --border: rgba(255, 255, 255, 0.08);
    --text: #ffffff;
    --text-muted: #94a3b8;
    --danger: #ef4444;
    --warning: #f59e0b;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    outline: none;
}

body {
    background: var(--bg-body);
    color: var(--text);
    font-family: 'Outfit', sans-serif;
    height: 100vh;
    overflow: hidden;
}

.ambient-glow {
    position: fixed;
    bottom: -20%;
    right: -10%;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, var(--accent-glow) 0%, transparent 70%);
    filter: blur(150px);
    opacity: 0.25;
    z-index: -1;
}

.app-shell {
    display: flex;
    height: 100vh;
}

.sidebar {
    width: 360px;
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border);
    display: flex;
    flex-direction: column;
    padding: 25px;
    z-index: 20;
    box-shadow: 10px 0 40px rgba(0, 0, 0, 0.4);
}

.brand {
    font-family: 'Space Grotesk', sans-serif;
    font-size: 1.3rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    margin-bottom: 20px;
}

.brand i {
    color: var(--accent);
}

.badge {
    background: var(--accent);
    color: #fff;
    font-size: 0.6rem;
    padding: 3px 6px;
    border-radius: 4px;
    font-weight: 800;
    vertical-align: middle;
    letter-spacing: 1px;
}

.back-link {
    text-decoration: none;
    color: var(--text-muted);
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 6px;
    border: 1px solid var(--border);
    background: rgba(255, 255, 255, 0.02);
    transition: 0.2s ease;
    margin-bottom: 20px;
    width: fit-content;
}

.back-link:hover {
    color: #fff;
    border-color: var(--accent);
}

.scroll-controls {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 20px;
    overflow-y: auto;
    padding-right: 5px;
}

.scroll-controls::-webkit-scrollbar {
    width: 4px;
}

.scroll-controls::-webkit-scrollbar-thumb {
    background: #333;
    border-radius: 2px;
}

.control-group label {
    display: block;
    color: var(--text-muted);
    font-size: 0.7rem;
    font-weight: 700;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1.2px;
}

/* Tools Grid */
.tools-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
}

.tool-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px 5px;
    cursor: pointer;
    transition: 0.2s;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    color: var(--text-muted);
}

.tool-card i {
    font-size: 1.1rem;
}

.tool-card span {
    font-size: 0.7rem;
    font-weight: 500;
    text-align: center;
}

.tool-card:hover {
    border-color: #fff;
    color: #fff;
    background: rgba(255, 255, 255, 0.05);
}

.tool-card.active {
    background: rgba(59, 130, 246, 0.15);
    border-color: var(--accent);
    color: var(--accent);
}

.hidden {
    display: none !important;
}

.tool-setting {
    animation: fadeIn 0.3s ease;
}

.info-box {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    display: flex;
    gap: 10px;
    align-items: start;
    color: var(--text-muted);
    font-size: 0.8rem;
}

.info-box.warning {
    border-color: var(--warning);
    background: rgba(245, 158, 11, 0.1);
    color: #fcd34d;
}

.info-box i {
    color: var(--accent);
    margin-top: 3px;
}

.info-box.warning i {
    color: var(--warning);
}

input[type="text"],
input[type="password"] {
    width: 100%;
    background: var(--bg-card);
    border: 1px solid var(--border);
    color: #fff;
    padding: 12px;
    border-radius: 8px;
    font-family: 'Outfit', sans-serif;
}

input:focus {
    border-color: var(--accent);
}

.sub-label {
    display: block;
    font-size: 0.7rem;
    color: #666;
    margin-top: 5px;
}

.toggle-group {
    display: flex;
    gap: 5px;
    background: var(--bg-card);
    padding: 4px;
    border-radius: 8px;
    border: 1px solid var(--border);
}

.toggle-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-muted);
    padding: 8px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.8rem;
}

.toggle-btn.active {
    background: #333;
    color: #fff;
}

.input-wrapper {
    position: relative;
}

.show-pass {
    position: absolute;
    right: 12px;
    top: 14px;
    color: var(--text-muted);
    cursor: pointer;
}

/* Action Footer */
.action-footer {
    margin-top: auto;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.btn-primary {
    width: 100%;
    background: var(--accent);
    color: #fff;
    border: none;
    padding: 14px;
    border-radius: 8px;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: 0.2s;
}

.btn-primary:hover {
    background: #60a5fa;
    transform: translateY(-2px);
}

.btn-primary:disabled {
    background: #333;
    color: #666;
    cursor: not-allowed;
    transform: none;
}

/* Main Area */
.main-area {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: linear-gradient(#111 1px, transparent 1px), linear-gradient(90deg, #111 1px, transparent 1px);
    background-size: 40px 40px;
    padding: 40px;
}

.upload-container {
    width: 100%;
    max-width: 600px;
    min-height: 400px;
    background: rgba(20, 20, 22, 0.6);
    backdrop-filter: blur(10px);
    border: 2px dashed var(--border);
    border-radius: 20px;
    display: flex;
    flex-direction: column;
    transition: 0.3s;
}

.upload-container.drag-active {
    border-color: var(--accent);
    background: rgba(59, 130, 246, 0.05);
}

.empty-state {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.icon-glow {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 20px;
    filter: drop-shadow(0 0 15px var(--accent-glow));
}

.empty-state h2 {
    font-family: 'Space Grotesk';
    font-size: 1.5rem;
    margin-bottom: 10px;
}

.empty-state p {
    color: var(--text-muted);
    margin-bottom: 20px;
}

.meta {
    font-size: 0.75rem;
    color: #555;
    background: rgba(255, 255, 255, 0.05);
    padding: 5px 10px;
    border-radius: 50px;
}

.file-list {
    flex: 1;
    display: flex;
    flex-direction: column;
}

.list-header {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
}

.list-header span {
    font-size: 0.85rem;
    font-weight: 600;
    color: #fff;
}

.clear-btn {
    background: none;
    border: none;
    color: var(--danger);
    font-size: 0.75rem;
    cursor: pointer;
}

.scrollable-list {
    flex: 1;
    overflow-y: auto;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-height: 400px;
}

.file-item {
    background: #18181b;
    border: 1px solid var(--border);
    padding: 12px 15px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.file-name {
    display: block;
    font-size: 0.85rem;
    color: #fff;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 300px;
}

.file-size {
    font-size: 0.7rem;
    color: #666;
}

.remove-file {
    color: #666;
    cursor: pointer;
    transition: 0.2s;
    margin-left: auto;
}

.remove-file:hover {
    color: var(--danger);
}

.add-more {
    padding: 15px;
    text-align: center;
    border-top: 1px solid var(--border);
    color: var(--accent);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
}

.add-more:hover {
    background: rgba(59, 130, 246, 0.05);
}

.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    background: #18181b;
    border: 1px solid var(--border);
    color: #fff;
    padding: 12px 20px;
    border-radius: 8px;
    display: flex;
    align-items: center;
    gap: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    animation: slideIn 0.3s forwards;
}

.toast i {
    color: var(--accent);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 900px) {
    .app-shell {
        flex-direction: column;
        height: auto;
    }

    .sidebar {
        width: 100%;
        border-right: none;
        border-bottom: 1px solid var(--border);
    }
}