:root {
    --bg-main: #0b0f19;
    --bg-card: #151c2d;
    --bg-card-hover: #1c253b;
    --border-color: #26334d;
    --border-focus: #3b82f6;
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent: #2563eb;
    --accent-hover: #1d4ed8;
    --accent-glow: rgba(37, 99, 235, 0.35);
    --success: #10b981;
    --success-bg: rgba(16, 185, 129, 0.15);
    --danger: #ef4444;
    --danger-bg: rgba(239, 68, 68, 0.15);
    --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
}

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

body {
    background-color: var(--bg-main);
    color: var(--text-primary);
    font-family: var(--font-stack);
    line-height: 1.6;
    padding: 24px 16px;
}

.container {
    max-width: 960px;
    margin: 0 auto;
}

/* Header */
.app-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 24px;
    flex-wrap: wrap;
    gap: 16px;
}

.app-header h1 {
    font-size: 24px;
    font-weight: 700;
    letter-spacing: -0.5px;
    color: #ffffff;
}

.subtitle {
    font-size: 14px;
    color: var(--text-secondary);
}

.header-right {
    display: flex;
    gap: 10px;
    align-items: center;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 12px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
}

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

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.green {
    background-color: var(--success);
    box-shadow: 0 0 8px var(--success);
}

/* Cards */
.card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 16px;
    color: #ffffff;
}

/* Tor Card */
.tor-card {
    border-color: #1e3a5f;
    background: linear-gradient(180deg, #131d33 0%, var(--bg-card) 100%);
}

.tor-card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 14px;
}

.section-title {
    font-size: 16px;
    font-weight: 600;
    display: block;
    color: #93c5fd;
}

.info-text {
    font-size: 13px;
    color: var(--text-muted);
}

.tor-toggle-wrapper {
    display: flex;
    align-items: center;
    gap: 12px;
}

.toggle-status {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.tor-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 12px;
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    flex-wrap: wrap;
    gap: 10px;
}

.tor-ip-info {
    font-size: 13px;
    color: var(--text-secondary);
}

.tor-ip-info code {
    background-color: #0b0f19;
    padding: 4px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    color: #38bdf8;
    margin-left: 6px;
}

/* Toggle Switch */
.switch {
    position: relative;
    display: inline-block;
    width: 46px;
    height: 24px;
}

.switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #334155;
    transition: 0.25s;
    border-radius: 24px;
}

.slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background-color: #ffffff;
    transition: 0.25s;
    border-radius: 50%;
}

input:checked + .slider {
    background-color: var(--accent);
}

input:checked + .slider:before {
    transform: translateX(22px);
}

/* Forms */
.form-group {
    margin-bottom: 16px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 6px;
}

input[type="url"],
input[type="text"] {
    width: 100%;
    padding: 12px 14px;
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 14px;
    font-family: var(--font-stack);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input[type="url"]:focus,
input[type="text"]:focus {
    border-color: var(--border-focus);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.form-row {
    display: flex;
    gap: 16px;
    align-items: center;
    flex-wrap: wrap;
}

.flex-1 {
    flex: 1;
    min-width: 250px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    padding-top: 14px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
    cursor: pointer;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 20px;
    border-radius: 6px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
    text-decoration: none;
}

.btn-primary {
    background-color: var(--accent);
    color: #ffffff;
    width: 100%;
}

.btn-primary:hover:not(:disabled) {
    background-color: var(--accent-hover);
    box-shadow: 0 0 12px var(--accent-glow);
}

.btn-primary:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-secondary {
    background-color: #1e293b;
    border: 1px solid var(--border-color);
    color: #e2e8f0;
}

.btn-secondary:hover:not(:disabled) {
    background-color: #334155;
    border-color: #475569;
}

.btn-outline {
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.btn-outline:hover {
    color: #ffffff;
    border-color: #475569;
}

.btn-sm {
    padding: 6px 12px;
    font-size: 12px;
}

.btn-copy {
    background-color: #334155;
    color: #ffffff;
    padding: 8px 16px;
    border-radius: 4px;
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
}

.btn-copy:hover {
    background-color: #475569;
}

/* Spinner */
.spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

.hidden {
    display: none !important;
}

/* Progress Box */
.progress-box {
    margin-top: 16px;
    padding: 14px;
    background-color: #0b0f19;
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.progress-bar-container {
    width: 100%;
    height: 6px;
    background-color: #1e293b;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-bar {
    height: 100%;
    width: 30%;
    background-color: var(--accent);
    border-radius: 3px;
    transition: width 0.3s;
    animation: progress-pulse 2s infinite ease-in-out;
}

@keyframes progress-pulse {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(400%); }
}

.progress-text {
    font-size: 13px;
    color: #93c5fd;
    font-family: var(--font-mono);
}

/* Alert */
.alert {
    margin-top: 16px;
    padding: 12px 16px;
    border-radius: 6px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.alert-error {
    background-color: var(--danger-bg);
    border: 1px solid var(--danger);
    color: #fca5a5;
}

/* Result Card */
.result-card {
    border-color: #065f46;
    background: linear-gradient(180deg, #0b221a 0%, var(--bg-card) 100%);
}

.result-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    flex-wrap: wrap;
    gap: 10px;
}

.result-header h2 {
    font-size: 18px;
    color: #34d399;
}

.key-box {
    background-color: #051410;
    border: 1px solid #10b981;
    border-radius: 8px;
    padding: 16px;
    margin-bottom: 20px;
}

.key-label {
    font-size: 12px;
    color: #6ee7b7;
    margin-bottom: 8px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.key-display-row {
    display: flex;
    gap: 10px;
}

.key-display-row input {
    background: transparent;
    border: none;
    font-family: var(--font-mono);
    font-size: 16px;
    color: #ffffff;
    font-weight: 700;
    letter-spacing: 0.5px;
    padding: 0;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}

.detail-item {
    background-color: rgba(0, 0, 0, 0.25);
    padding: 12px;
    border-radius: 6px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.detail-label {
    display: block;
    font-size: 12px;
    color: var(--text-muted);
    margin-bottom: 4px;
}

.detail-value {
    font-size: 14px;
    font-family: var(--font-mono);
    color: #e2e8f0;
    word-break: break-all;
}

.curl-test-box {
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 12px 16px;
}

.curl-label {
    font-size: 12px;
    color: var(--text-secondary);
    display: block;
    margin-bottom: 6px;
}

.curl-test-box pre {
    font-family: var(--font-mono);
    font-size: 12px;
    color: #38bdf8;
    overflow-x: auto;
}

/* History Card */
.history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 16px;
}

.table-container {
    overflow-x: auto;
}

.history-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
    text-align: left;
}

.history-table th {
    padding: 10px 12px;
    background-color: #0f172a;
    color: var(--text-secondary);
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.history-table td {
    padding: 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.history-table tr:hover {
    background-color: var(--bg-card-hover);
}

.tag {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
}

.tag-tor {
    background-color: rgba(147, 51, 234, 0.2);
    color: #c084fc;
    border: 1px solid rgba(147, 51, 234, 0.4);
}

.tag-direct {
    background-color: rgba(59, 130, 246, 0.2);
    color: #93c5fd;
    border: 1px solid rgba(59, 130, 246, 0.4);
}

.tag-success {
    background-color: var(--success-bg);
    color: var(--success);
}

.tag-failed {
    background-color: var(--danger-bg);
    color: var(--danger);
}

.text-center {
    text-align: center;
}

/* Auto Mail Card */
.auto-mail-card {
    border-color: #1e3a8a;
    background: linear-gradient(180deg, #101e38 0%, var(--bg-card) 100%);
}

.card-header-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 16px;
}

.credentials-panel {
    margin-top: 20px;
    padding-top: 18px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.creds-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 16px;
    margin-bottom: 16px;
}

.cred-item label {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 6px;
    font-weight: 500;
}

.cred-input-row {
    display: flex;
    gap: 8px;
}

.cred-input-row input {
    flex: 1;
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 10px 12px;
    color: #60a5fa;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 600;
}

.action-bar-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 16px;
    padding: 12px 16px;
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.status-indicator-box {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #38bdf8;
    font-family: var(--font-mono);
}

.pulse-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #38bdf8;
    box-shadow: 0 0 10px #38bdf8;
    animation: pulse 1.5s infinite;
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.7; }
    50% { transform: scale(1.3); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

/* Provider Select Row */
.mail-provider-row {
    display: flex;
    gap: 16px;
    align-items: flex-end;
    margin-top: 14px;
    flex-wrap: wrap;
}

.flex-btn {
    min-width: 180px;
}

.styled-select {
    width: 100%;
    padding: 10px 14px;
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 13px;
    font-family: var(--font-stack);
    outline: none;
    cursor: pointer;
}

.styled-select:focus {
    border-color: var(--border-focus);
}

.select-sm {
    width: auto;
    padding: 6px 10px;
    font-size: 12px;
}

/* Store Mode Card */
.store-mode-card {
    border-color: #065f46;
    background: linear-gradient(180deg, #09231c 0%, var(--bg-card) 100%);
}

.store-controls-row {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
}

.batch-status-panel {
    margin-top: 14px;
    padding: 14px;
    background-color: #0b0f19;
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.batch-info-line {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    color: #e2e8f0;
}

.progress-bar-static {
    height: 6px;
    background-color: var(--success);
    border-radius: 3px;
    transition: width 0.4s ease;
}

/* Yukisbox Result Box */
.yukisbox-result-box {
    margin-top: 16px;
    padding: 14px 18px;
    background-color: #051410;
    border: 1px solid #10b981;
    border-radius: 8px;
}

.yukisbox-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 13px;
    font-weight: 600;
    color: #34d399;
    margin-bottom: 10px;
    flex-wrap: wrap;
    gap: 8px;
}

.yukisbox-links {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    font-size: 13px;
}

.link-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.link-label {
    color: var(--text-muted);
}

.link-item a {
    color: #38bdf8;
    text-decoration: underline;
    font-family: var(--font-mono);
}

/* Collapsible Manual Fallback Card */
.manual-card {
    border-color: #1e293b;
    background-color: #0d131f;
}

.manual-summary {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    outline: none;
    user-select: none;
}

.manual-summary:hover {
    color: #93c5fd;
}

/* Footer */
.app-footer {
    text-align: center;
    font-size: 12px;
    color: var(--text-muted);
    padding-top: 16px;
    margin-top: 20px;
    border-top: 1px solid var(--border-color);
}

.app-footer a {
    color: #38bdf8;
    text-decoration: none;
}

.app-footer a:hover {
    text-decoration: underline;
}