/* Premium Glassmorphism Theme */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-base: #0f111a;
    --bg-gradient: radial-gradient(circle at top right, #2a1b4d 0%, #0f111a 60%), radial-gradient(circle at bottom left, #1a2a4d 0%, #0f111a 60%);
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.08);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --glass-blur: blur(16px);

    --accent: #8b5cf6;
    --accent-hover: #a78bfa;
    --accent-gradient: linear-gradient(135deg, #8b5cf6 0%, #3b82f6 100%);

    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --text-faint: #64748b;

    --danger: #ef4444;
    --success: #10b981;

    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 24px;

    --font-main: 'Inter', system-ui, sans-serif;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: var(--font-main);
    background: var(--bg-gradient);
    background-color: var(--bg-base);
    background-attachment: fixed;
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    -webkit-font-smoothing: antialiased;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.2);
}

::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.2);
}

.app-container {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.app-header {
    background: rgba(15, 17, 26, 0.7);
    backdrop-filter: var(--glass-blur);
    border-bottom: 1px solid var(--glass-border);
    padding: 1.5rem 2rem;
    position: sticky;
    top: 0;
    z-index: 100;
}

.header-inner {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.addon-logo {
    height: 3.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
}

.header-text {
    display: flex;
    flex-direction: column;
}

.app-title {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.5px;
}

.subtitle {
    margin: 0.25rem 0 0 0;
    font-size: 0.95rem;
    color: var(--text-muted);
}

.main-content {
    flex: 1;
    max-width: 800px;
    margin: 0 auto;
    padding: 3rem 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
    width: 100%;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--glass-shadow);
    transition: var(--transition);
}

.card:hover {
    border-color: rgba(139, 92, 246, 0.3);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(139, 92, 246, 0.1);
}

.card h2 {
    margin: 0 0 1.5rem 0;
    font-size: 1.5rem;
    font-weight: 600;
    color: #fff;
}

fieldset {
    border: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

legend {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
    color: var(--accent);
    margin-bottom: 1rem;
    display: block;
    width: 100%;
    border-bottom: 1px solid var(--glass-border);
    padding-bottom: 0.5rem;
}

.form-group {
    margin-bottom: 1.25rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group.hidden {
    display: none;
}

label {
    font-size: 0.9rem;
    font-weight: 500;
    color: #e2e8f0;
}

.req {
    color: var(--danger);
}

input[type="text"],
input[type="url"],
input[type="password"],
input[type="number"] {
    background: rgba(0, 0, 0, 0.2);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-size: 0.95rem;
    transition: var(--transition);
    outline: none;
}

input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.25);
    background: rgba(0, 0, 0, 0.4);
}

input::placeholder {
    color: var(--text-faint);
}

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

.checkbox-line {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    cursor: pointer;
}

input[type="checkbox"],
input[type="radio"] {
    width: 1.2rem;
    height: 1.2rem;
    accent-color: var(--accent);
    cursor: pointer;
}

.radio-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.pwd-wrapper {
    display: flex;
    gap: 0.5rem;
    align-items: stretch;
}

.pwd-wrapper input {
    flex: 1;
}

.btn {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    color: var(--text-main);
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-sm);
    font-family: var(--font-main);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: var(--transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.2);
}

.btn.primary {
    background: var(--accent-gradient);
    border: none;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(139, 92, 246, 0.3);
}

.btn.primary:hover {
    box-shadow: 0 6px 16px rgba(139, 92, 246, 0.5);
    transform: translateY(-2px);
}

.btn.wide {
    width: 100%;
    padding: 1rem;
    font-size: 1.05rem;
}

.btn.tiny {
    padding: 0.5rem 0.75rem;
    font-size: 0.8rem;
}

.btn.success {
    background: var(--success);
    border-color: var(--success);
}

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

.btn.ghost {
    background: transparent;
    border-color: var(--glass-border);
}

.btn[disabled] {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    filter: grayscale(1);
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.feature-list li {
    padding-left: 1.5rem;
    position: relative;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

.feature-list li::before {
    content: "•";
    color: var(--accent);
    font-size: 1.5rem;
    position: absolute;
    left: 0;
    top: -4px;
}

.feature-list strong {
    color: var(--text-main);
}

.credits {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--glass-border);
    font-size: 0.85rem;
    color: var(--text-muted);
    text-align: center;
}

.credits p {
    margin: 0.25rem 0;
}

.credits a {
    color: var(--accent);
    text-decoration: none;
    transition: var(--transition);
}

.credits a:hover {
    color: var(--accent-hover);
    text-decoration: underline;
}

.overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 1.5rem;
    z-index: 1000;
    animation: fadeIn 0.3s ease;
}

.overlay.hidden {
    display: none !important;
}

.overlay-box {
    width: 100%;
    max-width: 600px;
    background: var(--bg-base);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.overlay-header {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.overlay-header h2 {
    margin: 0;
    color: #fff;
    font-size: 1.5rem;
}

.overlay-sub {
    margin: 0;
    color: var(--accent);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 1px;
}

.progress-track {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    overflow: hidden;
}

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

.status-log {
    background: rgba(0, 0, 0, 0.4);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    font-family: var(--font-main);
    font-size: 0.8rem;
    color: var(--text-muted);
    max-height: 200px;
    overflow-y: auto;
    white-space: pre-wrap;
    line-height: 1.5;
}

.overlay-actions {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.overlay-actions button {
    flex: 1;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        backdrop-filter: blur(0px);
    }

    to {
        opacity: 1;
        backdrop-filter: blur(8px);
    }
}

.hidden {
    display: none !important;
}

@media (max-width: 768px) {
    .main-content {
        padding: 1.5rem 1rem;
    }

    .card {
        padding: 1.5rem;
    }

    .header-inner {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .overlay-actions {
        flex-direction: column;
    }
}