:root {
    --bg-color: #0a0b10;
    --bg-gradient: radial-gradient(circle at top right, #1a1c29, #0a0b10);
    --glass-bg: rgba(255, 255, 255, 0.03);
    --glass-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --accent-gradient: linear-gradient(135deg, #6366f1, #a855f7);
    --danger: #ef4444;
    --danger-hover: #dc2626;
    --success: #10b981;
    --warning: #f59e0b;
    --radius: 16px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-color);
    background-image: var(--bg-gradient);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    padding-top: 40px;
    overflow-x: hidden;
}

#app {
    width: 100%;
    max-width: 800px;
    padding: 0 20px;
}

.view {
    display: none;
    animation: fadeIn 0.4s ease-out;
}

.view.active {
    display: block;
}

.hidden {
    display: none !important;
}

/* Glassmorphism Classes */
.glass-card, .glass-panel, .glass-header {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.1);
}

/* Typography */
h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

p {
    color: var(--text-secondary);
    line-height: 1.5;
}

.small-text {
    font-size: 0.875rem;
}

/* Login View */
#login-view {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

#login-view.active {
    display: flex;
}

#login-view .glass-card {
    padding: 40px;
    width: 100%;
    max-width: 400px;
    text-align: center;
}

.logo {
    font-size: 3rem;
    margin-bottom: 1rem;
    animation: float 3s ease-in-out infinite;
}

/* Forms & Inputs */
.input-group {
    margin: 1.5rem 0;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

input[type="password"], input[type="text"] {
    width: 100%;
    padding: 12px 16px;
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    transition: var(--transition);
}

input:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 2px rgba(99, 102, 241, 0.2);
}

/* Buttons */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    font-family: inherit;
    transition: var(--transition);
    display: inline-flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
}

.btn:active {
    transform: scale(0.98);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

.btn.primary {
    background: var(--accent-gradient);
    color: white;
    width: 100%;
    box-shadow: 0 4px 15px rgba(99, 102, 241, 0.3);
}

.btn.primary:hover:not(:disabled) {
    box-shadow: 0 6px 20px rgba(99, 102, 241, 0.5);
    filter: brightness(1.1);
}

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

.btn.secondary:hover:not(:disabled) {
    background: rgba(255, 255, 255, 0.1);
}

.btn.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.btn.warning:hover:not(:disabled) {
    background: rgba(245, 158, 11, 0.2);
}

.btn.text-btn {
    background: transparent;
    color: var(--text-secondary);
    padding: 8px 16px;
}

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

.full-width {
    width: 100%;
}

/* Dashboard Layout */
.glass-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 24px;
    margin-bottom: 24px;
}

.brand {
    font-weight: 700;
    font-size: 1.2rem;
}

.container {
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding-bottom: 40px;
}

.glass-panel {
    padding: 24px;
}

/* Status Banner */
.status-banner {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.875rem;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.05);
}

.status-banner.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-banner.error {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--glass-border);
    border-radius: 12px;
    padding: 40px 20px;
    text-align: center;
    transition: var(--transition);
    background: rgba(0, 0, 0, 0.1);
    margin-bottom: 16px;
}

.upload-zone.dragover {
    border-color: var(--accent);
    background: rgba(99, 102, 241, 0.05);
}

.upload-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

#selected-file {
    margin-top: 16px;
    padding: 8px 16px;
    background: var(--glass-bg);
    border-radius: 8px;
    display: inline-block;
    color: var(--accent);
    font-weight: 500;
}

/* Progress Bar */
.progress-bar {
    height: 6px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 16px;
}

.progress-fill {
    height: 100%;
    width: 0%;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

/* Terminal Logs */
.terminal-logs {
    background: #000;
    border-radius: 8px;
    padding: 16px;
    font-family: 'Courier New', Courier, monospace;
    font-size: 0.85rem;
    color: #a8b2d1;
    margin-top: 16px;
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--glass-border);
}

.row {
    display: flex;
    gap: 12px;
}

.row input {
    flex: 1;
}

.mt-4 {
    margin-top: 16px;
}

.error-text {
    color: var(--danger);
    margin-bottom: 8px;
    font-size: 0.875rem;
}

/* Toast Notifications */
#toast-container {
    position: fixed;
    bottom: 24px;
    right: 24px;
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 1000;
}

.toast {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    padding: 16px 24px;
    border-radius: 8px;
    color: white;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    display: flex;
    align-items: center;
    gap: 12px;
    transform: translateX(120%);
    animation: slideIn 0.3s forwards cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.toast.hiding {
    animation: slideOut 0.3s forwards ease-in;
}

.toast.success { border-left: 4px solid var(--success); }
.toast.error { border-left: 4px solid var(--danger); }
.toast.info { border-left: 4px solid var(--accent); }

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

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

@keyframes slideIn {
    to { transform: translateX(0); }
}

@keyframes slideOut {
    to { transform: translateX(120%); opacity: 0; }
}