/* ===== CSS Variables & Reset ===== */
:root {
    --bg-primary: #0a0a0f;
    --bg-secondary: #12121a;
    --bg-card: rgba(22, 22, 35, 0.85);
    --bg-card-hover: rgba(30, 30, 48, 0.9);
    --bg-input: rgba(15, 15, 25, 0.9);
    --border-color: rgba(100, 100, 180, 0.15);
    --border-glow: rgba(120, 100, 255, 0.3);
    --text-primary: #e8e8f0;
    --text-secondary: #9090b0;
    --text-muted: #606080;
    --accent-1: #7c5cff;
    --accent-2: #5c8cff;
    --accent-3: #3cd4f0;
    --gradient-1: linear-gradient(135deg, #7c5cff, #5c8cff, #3cd4f0);
    --gradient-2: linear-gradient(135deg, #7c5cff 0%, #3cd4f0 100%);
    --success: #4cdf86;
    --warning: #f0c040;
    --danger: #f05050;
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.4), 0 0 0 1px var(--border-color);
    --shadow-glow: 0 0 30px rgba(124, 92, 255, 0.15);
    --font-sans: 'Inter', -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Consolas', monospace;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background: var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    overflow-x: hidden;
    line-height: 1.6;
}

/* ===== Background Glows ===== */
.bg-glow {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.4;
    pointer-events: none;
    z-index: 0;
    animation: float 15s ease-in-out infinite;
}

.bg-glow-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(124, 92, 255, 0.3), transparent 70%);
    top: -100px;
    left: -100px;
}

.bg-glow-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(60, 212, 240, 0.25), transparent 70%);
    bottom: -50px;
    right: -50px;
    animation-delay: -5s;
}

.bg-glow-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, rgba(92, 140, 255, 0.2), transparent 70%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation-delay: -10s;
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0) scale(1);
    }

    50% {
        transform: translateY(-30px) scale(1.05);
    }
}

/* ===== Container ===== */
.container {
    position: relative;
    z-index: 1;
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 20px 60px;
}

/* ===== Header ===== */
.header {
    text-align: center;
    margin-bottom: 40px;
    animation: fadeInDown 0.6s ease;
}

.logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    margin-bottom: 10px;
}

.logo-icon {
    font-size: 2.4rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {

    0%,
    100% {
        transform: scale(1);
    }

    50% {
        transform: scale(1.1);
    }
}

.logo h1 {
    font-size: 2.2rem;
    font-weight: 700;
    background: var(--gradient-1);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1rem;
    margin-bottom: 16px;
}

.protocol-badges {
    display: flex;
    gap: 8px;
    justify-content: center;
    flex-wrap: wrap;
}

.badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.72rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: 1px solid;
}

.badge-vless {
    color: #7c5cff;
    border-color: rgba(124, 92, 255, 0.3);
    background: rgba(124, 92, 255, 0.1);
}

.badge-vmess {
    color: #5c8cff;
    border-color: rgba(92, 140, 255, 0.3);
    background: rgba(92, 140, 255, 0.1);
}

.badge-trojan {
    color: #f05050;
    border-color: rgba(240, 80, 80, 0.3);
    background: rgba(240, 80, 80, 0.1);
}

.badge-ss {
    color: #3cd4f0;
    border-color: rgba(60, 212, 240, 0.3);
    background: rgba(60, 212, 240, 0.1);
}

.badge-socks {
    color: #4cdf86;
    border-color: rgba(76, 223, 134, 0.3);
    background: rgba(76, 223, 134, 0.1);
}

.badge-http {
    color: #f0c040;
    border-color: rgba(240, 192, 64, 0.3);
    background: rgba(240, 192, 64, 0.1);
}

.badge-ssh {
    color: #ff8c42;
    border-color: rgba(255, 140, 66, 0.3);
    background: rgba(255, 140, 66, 0.1);
}

.singbox-only-sup {
    font-size: 0.55rem;
    font-weight: 500;
    opacity: 0.7;
    vertical-align: super;
    margin-left: 2px;
    letter-spacing: 0;
    text-transform: none;
}

/* ===== Config Cards ===== */
.configs-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 24px;
}

@media (max-width: 768px) {
    .configs-grid {
        grid-template-columns: 1fr;
    }
}

.config-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    backdrop-filter: blur(20px);
    box-shadow: var(--shadow-card);
    transition: var(--transition);
}

.config-card:hover {
    border-color: var(--border-glow);
    box-shadow: var(--shadow-card), var(--shadow-glow);
}

.config-card.valid {
    border-color: rgba(76, 223, 134, 0.4);
}

.config-card.invalid {
    border-color: rgba(240, 80, 80, 0.4);
}

.card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: 14px;
}

.card-title {
    display: flex;
    gap: 10px;
    align-items: flex-start;
}

.card-icon {
    font-size: 1.4rem;
    margin-top: 2px;
}

.card-title h2 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.card-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.card-hint code {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    background: rgba(124, 92, 255, 0.15);
    color: var(--accent-1);
    padding: 1px 5px;
    border-radius: 4px;
}

.protocol-tag {
    font-size: 0.72rem;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 12px;
    background: rgba(100, 100, 180, 0.15);
    color: var(--text-muted);
    text-transform: uppercase;
    white-space: nowrap;
    transition: var(--transition);
}

.protocol-tag.active {
    background: rgba(124, 92, 255, 0.2);
    color: var(--accent-1);
    border: 1px solid rgba(124, 92, 255, 0.3);
}

.card-header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ===== SSH Toggle ===== */
.ssh-toggle {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 12px;
    font-size: 0.72rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border: 1px solid rgba(255, 140, 66, 0.25);
    border-radius: 12px;
    background: rgba(255, 140, 66, 0.08);
    color: rgba(255, 140, 66, 0.6);
    cursor: pointer;
    transition: var(--transition);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.ssh-toggle:hover {
    background: rgba(255, 140, 66, 0.15);
    color: #ff8c42;
    border-color: rgba(255, 140, 66, 0.4);
}

.ssh-toggle.active {
    background: rgba(255, 140, 66, 0.2);
    color: #ff8c42;
    border-color: rgba(255, 140, 66, 0.5);
    box-shadow: 0 0 12px rgba(255, 140, 66, 0.15);
}

.ssh-toggle-icon {
    font-size: 0.8rem;
}

/* ===== SSH Form ===== */
.ssh-form {
    position: relative;
    animation: fadeInUp 0.3s ease;
}

.ssh-fields {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 10px;
}

.ssh-field {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.ssh-field label {
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.3px;
}

.ssh-field input {
    width: 100%;
    padding: 10px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    outline: none;
    transition: var(--transition);
}

.ssh-field input:focus {
    border-color: #ff8c42;
    box-shadow: 0 0 0 2px rgba(255, 140, 66, 0.15);
}

.ssh-field input::placeholder {
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.78rem;
}

.ssh-field-small {
    max-width: 120px;
}

.ssh-pass-wrapper {
    position: relative;
    display: flex;
}

.ssh-pass-wrapper input {
    padding-right: 40px;
}

.ssh-pass-toggle {
    position: absolute;
    right: 6px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    font-size: 0.85rem;
    opacity: 0.5;
    transition: var(--transition);
    padding: 4px;
    line-height: 1;
}

.ssh-pass-toggle:hover {
    opacity: 1;
}

.ssh-clear {
    position: absolute;
    top: 4px;
    right: 0;
}

.ssh-form:hover .ssh-clear {
    opacity: 0.7;
}

/* ===== Disabled Xray Tab ===== */
.output-tab.disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.ssh-notice {
    display: none;
    padding: 10px 16px;
    margin-bottom: 16px;
    background: rgba(255, 140, 66, 0.1);
    border: 1px solid rgba(255, 140, 66, 0.25);
    border-radius: var(--radius-sm);
    color: #ff8c42;
    font-size: 0.82rem;
    font-weight: 500;
}

.ssh-notice.visible {
    display: block;
}

/* ===== Input ===== */
.input-group {
    position: relative;
}

.config-input {
    width: 100%;
    min-height: 100px;
    padding: 14px 40px 14px 14px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.82rem;
    line-height: 1.5;
    resize: vertical;
    transition: var(--transition);
    outline: none;
    word-break: break-all;
}

.config-input:focus {
    border-color: var(--accent-1);
    box-shadow: 0 0 0 2px rgba(124, 92, 255, 0.15);
}

.config-input::placeholder {
    color: var(--text-muted);
    font-family: var(--font-sans);
    font-size: 0.8rem;
}

.btn-clear {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 24px;
    height: 24px;
    border: none;
    background: rgba(240, 80, 80, 0.15);
    color: var(--danger);
    border-radius: 50%;
    font-size: 0.7rem;
    cursor: pointer;
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

.input-group:hover .btn-clear,
.config-input:focus~.btn-clear {
    opacity: 0.7;
}

.btn-clear:hover {
    opacity: 1 !important;
    background: rgba(240, 80, 80, 0.3);
}

/* ===== Parsed Info ===== */
.parsed-info {
    margin-top: 12px;
    font-size: 0.78rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.parsed-info .info-row {
    display: flex;
    gap: 8px;
    padding: 4px 0;
    border-bottom: 1px solid rgba(100, 100, 180, 0.08);
}

.parsed-info .info-label {
    color: var(--text-muted);
    min-width: 70px;
    font-weight: 500;
}

.parsed-info .info-value {
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 0.75rem;
    word-break: break-all;
}

.parsed-info .error-msg {
    color: var(--danger);
    padding: 6px 0;
}

/* ===== Chain Flow ===== */
.chain-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 20px;
    margin-bottom: 24px;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(20px);
    overflow-x: auto;
}

.flow-node {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 4px;
    padding: 10px 16px;
    border-radius: var(--radius-md);
    font-size: 0.78rem;
    font-weight: 500;
    white-space: nowrap;
    transition: var(--transition);
}

.flow-emoji {
    font-size: 1.3rem;
}

.flow-you {
    background: rgba(124, 92, 255, 0.1);
    color: var(--accent-1);
}

.flow-proxy {
    background: rgba(92, 140, 255, 0.1);
    color: var(--accent-2);
}

.flow-chain {
    background: rgba(60, 212, 240, 0.1);
    color: var(--accent-3);
}

.flow-target {
    background: rgba(76, 223, 134, 0.1);
    color: var(--success);
}

.flow-arrow {
    color: var(--text-muted);
    font-size: 1.2rem;
    animation: arrowPulse 1.5s ease-in-out infinite;
}

@keyframes arrowPulse {

    0%,
    100% {
        opacity: 0.4;
    }

    50% {
        opacity: 1;
    }
}

/* ===== Settings ===== */
.settings-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 24px;
    backdrop-filter: blur(20px);
}

.settings-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 16px;
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 14px;
}

.setting-item label {
    display: block;
    font-size: 0.78rem;
    color: var(--text-secondary);
    margin-bottom: 4px;
    font-weight: 500;
}

.setting-item select,
.setting-item input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.82rem;
    outline: none;
    transition: var(--transition);
}

.setting-item select:focus,
.setting-item input:focus {
    border-color: var(--accent-1);
}

.setting-item select option {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ===== Generate Button ===== */
.generate-section {
    text-align: center;
    margin-bottom: 30px;
}

.btn-generate {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 40px;
    font-size: 1.05rem;
    font-weight: 600;
    font-family: var(--font-sans);
    color: #fff;
    background: var(--gradient-2);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 4px 20px rgba(124, 92, 255, 0.3);
    position: relative;
    overflow: hidden;
}

.btn-generate::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, transparent 40%, rgba(255, 255, 255, 0.15) 50%, transparent 60%);
    transform: translateX(-100%);
    transition: 0.6s;
}

.btn-generate:not(:disabled):hover::before {
    transform: translateX(100%);
}

.btn-generate:not(:disabled):hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(124, 92, 255, 0.4);
}

.btn-generate:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    filter: grayscale(0.5);
}

.btn-icon {
    font-size: 1.2rem;
}

.generate-hint {
    margin-top: 10px;
    font-size: 0.78rem;
    color: var(--text-muted);
    transition: var(--transition);
}

/* ===== Output ===== */
.output-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 20px;
    margin-bottom: 30px;
    backdrop-filter: blur(20px);
    animation: fadeInUp 0.4s ease;
}

/* Output Tabs */
.output-tabs {
    display: flex;
    gap: 4px;
    margin-bottom: 20px;
    background: rgba(10, 10, 20, 0.5);
    border-radius: var(--radius-md);
    padding: 4px;
    border: 1px solid var(--border-color);
}

.output-tab {
    flex: 1;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 0.88rem;
    font-weight: 600;
    font-family: var(--font-sans);
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: var(--transition);
}

.output-tab:hover {
    color: var(--text-secondary);
    background: rgba(124, 92, 255, 0.05);
}

.output-tab.active {
    background: rgba(124, 92, 255, 0.15);
    color: var(--accent-1);
    border-color: rgba(124, 92, 255, 0.25);
    box-shadow: 0 2px 12px rgba(124, 92, 255, 0.15);
}

/* Sub Tabs (Nested in Sing-box) */
.sub-tabs {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
}

.sub-tab {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    padding: 6px 14px;
    border-radius: var(--radius-sm);
    transition: var(--transition);
}

.sub-tab:hover {
    color: var(--text-secondary);
    background: rgba(124, 92, 255, 0.05);
}

.sub-tab.active {
    color: var(--accent-2);
    background: rgba(92, 140, 255, 0.1);
    font-weight: 600;
}

.sub-panel {
    display: none;
    animation: fadeIn 0.3s ease;
}

.sub-panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.tab-icon {
    font-size: 1rem;
}

/* Output Panels */
.output-panel {
    display: none;
    animation: fadeInUp 0.3s ease;
}

.output-panel.active {
    display: block;
}

.output-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 14px;
    flex-wrap: wrap;
    gap: 10px;
}

.output-header h3 {
    font-size: 1rem;
    font-weight: 600;
}

.output-actions {
    display: flex;
    gap: 8px;
}

.btn-copy,
.btn-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 7px 16px;
    font-size: 0.82rem;
    font-weight: 500;
    font-family: var(--font-sans);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: rgba(124, 92, 255, 0.1);
    color: var(--accent-1);
    cursor: pointer;
    transition: var(--transition);
}

.btn-copy:hover,
.btn-download:hover {
    background: rgba(124, 92, 255, 0.2);
    border-color: var(--accent-1);
}

.btn-copy.copied {
    background: rgba(76, 223, 134, 0.2);
    color: var(--success);
    border-color: rgba(76, 223, 134, 0.3);
}

.output-remark {
    font-size: 0.82rem;
    color: var(--accent-3);
    margin-bottom: 10px;
    font-weight: 500;
}

.output-code {
    background: rgba(5, 5, 15, 0.8);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 16px;
    overflow-x: auto;
    max-height: 600px;
    overflow-y: auto;
}

.output-code code {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    line-height: 1.6;
    color: var(--text-primary);
    white-space: pre;
}

/* JSON syntax highlighting */
.json-key {
    color: #7c5cff;
}

.json-string {
    color: #3cd4f0;
}

.json-number {
    color: #f0c040;
}

.json-boolean {
    color: #4cdf86;
}

.json-null {
    color: var(--text-muted);
}

.json-brace {
    color: var(--text-secondary);
}

/* ===== Info Section ===== */
.info-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 0;
    margin-bottom: 30px;
    backdrop-filter: blur(20px);
    overflow: hidden;
}

.info-section summary {
    padding: 16px 20px;
    cursor: pointer;
    font-weight: 600;
    font-size: 0.95rem;
    transition: var(--transition);
    user-select: none;
    list-style: none;
}

.info-section summary::-webkit-details-marker {
    display: none;
}

.info-section summary:hover {
    background: rgba(124, 92, 255, 0.05);
}

.info-content {
    padding: 0 20px 20px;
    font-size: 0.85rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.info-content h4 {
    color: var(--text-primary);
    margin: 16px 0 8px;
    font-size: 0.9rem;
}

.info-content ul {
    padding-left: 20px;
}

.info-content li {
    margin: 4px 0;
}

.info-content code {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    background: rgba(124, 92, 255, 0.1);
    color: var(--accent-1);
    padding: 2px 6px;
    border-radius: 4px;
}

.info-flow {
    text-align: center;
    padding: 12px;
    background: rgba(124, 92, 255, 0.08);
    border-radius: var(--radius-sm);
    margin: 12px 0;
}

.info-flow code {
    font-size: 0.82rem;
}

/* ===== Footer ===== */
.footer {
    text-align: center;
    padding-top: 10px;
    color: var(--text-muted);
    font-size: 0.78rem;
}

.footer a {
    color: var(--accent-2);
    text-decoration: none;
    transition: var(--transition);
}

.footer a:hover {
    color: var(--accent-1);
    text-decoration: underline;
}

/* ===== Animations ===== */
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }

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

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: rgba(124, 92, 255, 0.3);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: rgba(124, 92, 255, 0.5);
}