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

:root {
    --primary-color: #0056ff;
    --primary-hover: #004ae6;
    --primary-active: #003cc2;
    --primary-light: #e8f0ff;
    --bg-base: #f4f5f7;
    --bg-panel: #ffffff;
    --border-color: #e5e6eb;
    --border-hover: #c9cdd4;
    --text-main: #1d2129;
    --text-muted: #86909c;
    --danger: #f53f3f;
    --danger-hover: #f76560;
    --success: #00b42a;
    --table-header: #fafbfc;
    --shadow-sm: 0 2px 5px rgba(29, 33, 41, 0.04);
    --shadow-md: 0 4px 10px rgba(29, 33, 41, 0.08);
    --shadow-lg: 0 10px 30px rgba(29, 33, 41, 0.12);
}

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

body {
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-base);
    color: var(--text-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
    -webkit-font-smoothing: antialiased;
    animation: initFadeIn 0.5s ease-out forwards;
}

@keyframes initFadeIn {
    from { opacity: 0; transform: translateY(-5px); }
    to { opacity: 1; transform: translateY(0); }
}

header {
    background: var(--bg-panel);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 40;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
}

.header-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 1.25rem 2rem;
    display: flex;
    justify-content: flex-start; /* 改为左对齐 */
    align-items: center;
}

.header-title {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--text-main);
    letter-spacing: 0.5px;
    position: relative;
    padding-left: 12px;
}

.header-title::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 16px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

.btn {
    appearance: none;
    background: transparent;
    border: 1px solid transparent;
    border-radius: 4px; /* 统一的干练小圆角 */
    padding: 0.4rem 1.125rem;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.34, 1.56, 0.64, 1); /* 回弹弹性动画 */
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: inherit;
    outline: none;
    line-height: 1.5;
}

.btn-outline {
    border-color: var(--border-hover);
    color: var(--text-main);
    background: var(--bg-panel);
}

.btn-outline:hover {
    background: var(--bg-base);
    border-color: #aeb4be;
    box-shadow: var(--shadow-sm);
}

.btn-outline:active {
    transform: scale(0.97);
}

.btn-primary {
    background: var(--primary-color);
    color: #fff;
    box-shadow: 0 4px 10px rgba(0, 86, 255, 0.2);
}

.btn-primary:hover {
    background: var(--primary-hover);
    box-shadow: 0 6px 14px rgba(0, 86, 255, 0.3);
    transform: translateY(-1px);
}

.btn-primary:active {
    background: var(--primary-active);
    transform: scale(0.97) translateY(0);
    box-shadow: 0 2px 5px rgba(0, 86, 255, 0.2);
}

.btn-danger-text {
    color: var(--danger);
    padding: 0 0.5rem;
    transition: all 0.2s;
}

.btn-danger-text:hover {
    color: var(--danger);
    background: #ffeeec;
    border-radius: 4px;
}

.btn-danger-text:active {
    transform: scale(0.95);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    pointer-events: none;
    box-shadow: none;
    transform: none;
}

main {
    flex: 1;
    max-width: 1280px;
    width: 100%;
    margin: 0 auto;
    padding: 2rem;
}

.toolbar {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    padding: 1.25rem;
    border-radius: 6px;
    margin-bottom: 1.25rem;
    gap: 1rem;
    box-shadow: var(--shadow-sm);
    transition: box-shadow 0.3s;
}

.toolbar:hover {
    box-shadow: var(--shadow-md);
}

.search-group {
    display: flex;
    gap: 0.75rem;
    flex: 1;
    max-width: 440px;
}

.input-field {
    flex: 1;
    width: 100%;
    background: var(--bg-base);
    border: 1px solid transparent;
    border-radius: 4px;
    padding: 0.5rem 0.875rem;
    color: var(--text-main);
    font-family: inherit;
    font-size: 0.875rem;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    outline: none;
}

.input-field:hover {
    background: #eceeef;
}

.input-field:focus {
    background: var(--bg-panel);
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 86, 255, 0.15);
}

.input-field::placeholder {
    color: var(--text-muted);
}

.table-container {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    animation: slideUpFade 0.6s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes slideUpFade {
    from { opacity: 0; transform: translateY(15px); }
    to { opacity: 1; transform: translateY(0); }
}

.table-responsive {
    width: 100%;
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

th, td {
    padding: 1rem 1.25rem;
    border-bottom: 1px solid var(--border-color);
    white-space: nowrap;
}

th {
    background: var(--table-header);
    color: var(--text-muted);
    font-weight: 500;
    font-size: 0.8125rem;
    position: sticky;
    top: 0;
}

tbody tr {
    transition: background-color 0.15s ease, transform 0.15s ease;
    animation: fadeInRow 0.3s ease-out forwards;
    opacity: 0;
}

/* 一种渐进载入感 */
@keyframes fadeInRow {
    to { opacity: 1; }
}

tbody tr:hover {
    background: var(--primary-light);
}

tbody tr:last-child td {
    border-bottom: none;
}

.td-id {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.td-ip {
    font-family: 'SFMono-Regular', Consolas, monospace;
    color: var(--text-main);
    font-size: 0.875rem;
    font-weight: 500;
}

.td-domain {
    color: var(--primary-color);
    font-weight: 500;
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.15rem 0.6rem;
    border-radius: 4px;
    font-size: 0.75rem;
    font-weight: 500;
}

.badge-yes {
    background: #e8f3ff;
    color: var(--primary-color);
    border: 1px solid rgba(0, 86, 255, 0.1);
}

.badge-no {
    background: var(--bg-base);
    color: var(--text-muted);
    border: 1px solid rgba(134, 144, 156, 0.2);
}

.td-muted {
    color: var(--text-muted);
    font-size: 0.875rem;
}

.td-action {
    text-align: right;
}

.pagination {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem;
    background: var(--bg-panel);
    border-top: 1px solid var(--border-color);
}

.page-info {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.page-controls {
    display: flex;
    gap: 0.75rem;
}

.modal-backdrop {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(29, 33, 41, 0); /* JS动画使用渐变 */
    z-index: 100;
    display: flex;
    justify-content: center;
    align-items: center;
    visibility: hidden;
    transition: background 0.3s ease, visibility 0.3s;
}

.modal-backdrop.show {
    visibility: visible;
    background: rgba(29, 33, 41, 0.4);
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

.modal {
    background: var(--bg-panel);
    border-radius: 6px;
    width: 100%;
    max-width: 460px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    transform: scale(0.95) translateY(20px);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    overflow: hidden;
}

.modal-backdrop.show .modal {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.modal-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid #f0f2f5;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fdfdfd;
}

.modal-title {
    font-size: 1.05rem;
    font-weight: 600;
    color: var(--text-main);
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    align-items: center;
    padding: 4px;
    border-radius: 4px;
}

.modal-close:hover {
    color: var(--danger);
    background: var(--bg-base);
    transform: rotate(90deg);
}

.modal-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

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

.form-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
}

.form-label span {
    color: var(--danger);
    padding-left: 2px;
}

.checkbox-group {
    display: flex;
    align-items: center;
    gap: 0.6rem;
    cursor: pointer;
    margin-top: 0.25rem;
    padding: 0.5rem 0;
    border-radius: 4px;
    transition: background 0.2s;
}

.checkbox-group:hover {
    background: var(--bg-base);
}

.checkbox-input {
    appearance: none;
    width: 1.1rem;
    height: 1.1rem;
    border: 2px solid var(--border-hover);
    border-radius: 3px;
    background: var(--bg-panel);
    cursor: pointer;
    position: relative;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
    margin-left: 0.5rem;
}

.checkbox-input:checked {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
}

.checkbox-input:checked::after {
    content: '';
    position: absolute;
    top: 1px;
    left: 4px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

.checkbox-label {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-main);
    user-select: none;
}

.modal-footer {
    padding: 1.25rem 1.5rem;
    border-top: 1px solid #f0f2f5;
    background: #fafbfc;
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
}

.toast-container {
    position: fixed;
    top: 5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    pointer-events: none;
}

.toast {
    padding: 0.75rem 1.25rem;
    border-radius: 6px;
    font-size: 0.9rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    color: #fff;
    opacity: 0;
    transform: translateY(-20px) scale(0.95);
    transition: all 0.35s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.toast.show {
    transform: translateY(0) scale(1);
    opacity: 1;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--primary-color); }

.spinner {
    width: 1em;
    height: 1em;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: currentColor;
    animation: spin 0.8s linear infinite;
    display: inline-block;
}

.spinner-lg {
    width: 1.5rem;
    height: 1.5rem;
    border-width: 2px;
    border-top-color: var(--primary-color);
    border-right-color: transparent;
    border-bottom-color: transparent;
    border-left-color: transparent;
}

.loading-container {
    padding: 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--text-muted);
    font-weight: 500;
}

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

::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: #cbd0d8;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: #86909c;
}

@media (max-width: 768px) {
    .header-container { justify-content: center; padding: 1rem; }
    .toolbar { flex-direction: column; align-items: stretch; }
    .search-group { max-width: 100%; }
    main { padding: 1rem; }
}