:root {
    /* Light Theme (Default - Apple Style) */
    --bg-primary: #ffffff;
    --bg-secondary: #f5f5f7;
    --bg-tertiary: #fbfbfd;
    --text-primary: #1d1d1f;
    --text-secondary: #6e6e73;
    --text-tertiary: #86868b;
    --border: rgba(0, 0, 0, 0.08);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.12);
    --accent: #007aff;
    --accent-hover: #0051d5;
    --success: #34c759;
    --success-hover: #2fb350;
    --warning: #ff9500;
    --warning-hover: #e68600;
    --danger: #ff3b30;
    --danger-hover: #e6352a;
}

[data-theme="dark"] {
    --bg-primary: #000000;
    --bg-secondary: #1c1c1e;
    --bg-tertiary: #2c2c2e;
    --text-primary: #f5f5f7;
    --text-secondary: #98989d;
    --text-tertiary: #636366;
    --border: rgba(255, 255, 255, 0.12);
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.5);
    --accent: #0a84ff;
    --accent-hover: #409cff;
    --success: #30d158;
    --success-hover: #32d95a;
    --warning: #ff9f0a;
    --warning-hover: #ffb340;
    --danger: #ff453a;
    --danger-hover: #ff6961;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.47059;
    font-size: 17px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    max-width: 980px;
    margin: 0 auto;
    padding: 0 22px;
}

/* Navigation */
.navbar {
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: saturate(180%) blur(20px);
    background: rgba(255, 255, 255, 0.72);
}

[data-theme="dark"] .navbar {
    background: rgba(0, 0, 0, 0.8);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 52px;
}

.nav-title {
    font-size: 21px;
    font-weight: 600;
    letter-spacing: 0.011em;
    color: var(--text-primary);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logout-btn {
    height: 32px;
    padding: 0 14px;
    border-radius: 16px;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
}

.logout-btn:hover {
    background: var(--bg-tertiary);
}

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

.theme-toggle {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: none;
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.theme-toggle:hover {
    background: var(--bg-tertiary);
    transform: scale(1.05);
}

.theme-toggle:active {
    transform: scale(0.95);
}

.theme-icon {
    transition: opacity 0.2s ease;
}

.theme-icon.sun {
    display: block;
}

.theme-icon.moon {
    display: none;
}

[data-theme="dark"] .theme-icon.sun {
    display: none;
}

[data-theme="dark"] .theme-icon.moon {
    display: block;
}

/* Main Content */
.main {
    padding: 40px 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

/* Cards */
.card {
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.card-header {
    padding: 20px 24px;
    border-bottom: 1px solid var(--border);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 19px;
    font-weight: 600;
    letter-spacing: 0.012em;
    color: var(--text-primary);
}

.card-body {
    padding: 24px;
}

.icon-btn {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
}

.icon-btn:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.icon-btn:active {
    transform: scale(0.9);
}

/* Status */
.status-row {
    margin-bottom: 24px;
}

.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-secondary);
    border-radius: 100px;
    font-size: 15px;
    font-weight: 500;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-tertiary);
}

.status-badge.running .status-dot {
    background: var(--success);
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.status-badge.error .status-dot {
    background: var(--danger);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 16px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 400;
}

.info-value {
    font-size: 17px;
    color: var(--text-primary);
    font-weight: 500;
}

/* Control Buttons */
.control-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 12px;
}

.control-btn {
    height: 44px;
    border-radius: 12px;
    border: none;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: all 0.2s ease;
    color: white;
}

.control-btn:active {
    transform: scale(0.96);
}

.control-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

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

.control-btn.success:hover:not(:disabled) {
    background: var(--success-hover);
}

.control-btn.warning {
    background: var(--warning);
}

.control-btn.warning:hover:not(:disabled) {
    background: var(--warning-hover);
}

.control-btn.primary {
    background: var(--accent);
}

.control-btn.primary:hover:not(:disabled) {
    background: var(--accent-hover);
}

.control-btn.danger {
    background: var(--danger);
}

.control-btn.danger:hover:not(:disabled) {
    background: var(--danger-hover);
}

.control-btn.full {
    width: 100%;
}

/* Stats */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 16px;
}

.stat-card {
    text-align: center;
    padding: 20px;
    background: var(--bg-secondary);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.stat-card:hover {
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 32px;
    font-weight: 600;
    letter-spacing: -0.003em;
    color: var(--text-primary);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 13px;
    color: var(--text-secondary);
    font-weight: 400;
}

/* Table */
.table-wrapper {
    overflow-x: auto;
    border-radius: 12px;
    border: 1px solid var(--border);
}

.table {
    width: 100%;
    border-collapse: collapse;
    font-size: 15px;
}

.table thead {
    background: var(--bg-secondary);
}

.table th {
    padding: 12px 16px;
    text-align: left;
    font-weight: 500;
    font-size: 13px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.table td {
    padding: 14px 16px;
    border-top: 1px solid var(--border);
    color: var(--text-primary);
}

.table tbody tr {
    transition: background-color 0.15s ease;
}

.table tbody tr:hover {
    background: var(--bg-secondary);
}

.empty-row {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px !important;
    font-style: italic;
}

/* Alert */
.alert {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: rgba(255, 149, 0, 0.1);
    border: 1px solid rgba(255, 149, 0, 0.2);
    border-radius: 12px;
    color: var(--warning);
    font-size: 14px;
    margin-bottom: 16px;
}

.alert svg {
    flex-shrink: 0;
    margin-top: 2px;
}

/* Error Banner */
.error-banner {
    margin-top: 16px;
    padding: 12px 16px;
    background: rgba(255, 59, 48, 0.1);
    border: 1px solid rgba(255, 59, 48, 0.2);
    border-radius: 12px;
    color: var(--danger);
    font-size: 14px;
}

/* Toast */
.toast-container {
    position: fixed;
    top: 72px;
    right: 22px;
    z-index: 1000;
    display: flex;
    flex-direction: column;
    gap: 12px;
    max-width: 360px;
}

.toast {
    padding: 16px 20px;
    background: var(--bg-primary);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 15px;
    animation: slideIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: saturate(180%) blur(20px);
}

.toast.success {
    border-left: 3px solid var(--success);
}

.toast.error {
    border-left: 3px solid var(--danger);
}

.toast.warning {
    border-left: 3px solid var(--warning);
}

@keyframes slideIn {
    from {
        transform: translateX(400px);
        opacity: 0;
    }

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

/* Full Width Cards */
.full-width {
    grid-column: 1 / -1;
}

/* Dialog Modal */
.dialog-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    animation: fadeIn 0.2s ease;
}

.dialog-overlay.show {
    display: flex;
}

.dialog-modal {
    background: var(--bg-primary);
    border-radius: 14px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
    max-width: 400px;
    width: calc(100% - 40px);
    overflow: hidden;
    animation: scaleIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes scaleIn {
    from {
        transform: scale(0.9);
        opacity: 0;
    }

    to {
        transform: scale(1);
        opacity: 1;
    }
}

.dialog-header {
    padding: 20px 20px 12px;
    border-bottom: 1px solid var(--border);
}

.dialog-title {
    font-size: 17px;
    font-weight: 600;
    color: var(--text-primary);
    text-align: center;
}

.dialog-body {
    padding: 16px 20px 20px;
}

.dialog-message {
    font-size: 15px;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.5;
}

.dialog-footer {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-top: 1px solid var(--border);
}

.dialog-btn {
    padding: 14px 20px;
    border: none;
    background: transparent;
    font-size: 15px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s ease;
}

.dialog-btn:first-child {
    border-right: 1px solid var(--border);
}

.dialog-btn-cancel {
    color: var(--text-primary);
}

.dialog-btn-cancel:hover {
    background: var(--bg-secondary);
}

.dialog-btn-cancel:active {
    background: var(--bg-tertiary);
}

.dialog-btn-confirm {
    color: var(--accent);
    font-weight: 600;
}

.dialog-btn-confirm:hover {
    background: rgba(0, 122, 255, 0.1);
}

.dialog-btn-confirm:active {
    background: rgba(0, 122, 255, 0.2);
}

.dialog-btn-confirm.danger {
    color: var(--danger);
}

.dialog-btn-confirm.danger:hover {
    background: rgba(255, 59, 48, 0.1);
}

.dialog-btn-confirm.danger:active {
    background: rgba(255, 59, 48, 0.2);
}

/* Login Page */
.login-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--bg-secondary);
    padding: 20px;
}

.login-card {
    background: var(--bg-primary);
    border-radius: 18px;
    box-shadow: var(--shadow-lg);
    padding: 48px 40px;
    max-width: 400px;
    width: 100%;
    border: 1px solid var(--border);
}

.login-card.shake {
    animation: shake 0.5s;
}

@keyframes shake {

    0%,
    100% {
        transform: translateX(0);
    }

    10%,
    30%,
    50%,
    70%,
    90% {
        transform: translateX(-10px);
    }

    20%,
    40%,
    60%,
    80% {
        transform: translateX(10px);
    }
}

.login-header {
    text-align: center;
    margin-bottom: 32px;
}

.login-title {
    font-size: 28px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    letter-spacing: -0.003em;
}

.login-subtitle {
    font-size: 15px;
    color: var(--text-secondary);
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.form-label {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.06em;
}

.form-input {
    height: 44px;
    padding: 0 16px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 12px;
    font-size: 15px;
    color: var(--text-primary);
    transition: all 0.2s ease;
    font-family: -apple-system, BlinkMacSystemFont, 'SF Pro Display', 'SF Pro Text', sans-serif;
}

.form-input:focus {
    outline: none;
    border-color: var(--accent);
    background: var(--bg-primary);
    box-shadow: 0 0 0 3px rgba(0, 122, 255, 0.1);
}

.form-input::placeholder {
    color: var(--text-tertiary);
}

.error-message {
    color: var(--danger);
    font-size: 13px;
    min-height: 18px;
    text-align: center;
}

.login-btn {
    height: 44px;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 12px;
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-top: 8px;
}

.login-btn:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(0, 122, 255, 0.3);
}

.login-btn:active:not(:disabled) {
    transform: translateY(0);
}

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

.login-btn.loading .btn-text::after {
    content: '...';
    animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {

    0%,
    20% {
        content: '';
    }

    40% {
        content: '.';
    }

    60% {
        content: '..';
    }

    80%,
    100% {
        content: '...';
    }
}

/* Responsive */
@media (max-width: 734px) {
    .container {
        padding: 0 16px;
    }

    .main {
        padding: 24px 0;
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .card-header,
    .card-body {
        padding: 16px;
    }

    .nav-title {
        font-size: 19px;
    }

    .control-grid {
        grid-template-columns: 1fr;
    }

    .toast-container {
        left: 16px;
        right: 16px;
        max-width: none;
    }
}

/* Loading State */
.control-btn.loading {
    pointer-events: none;
    opacity: 0.6;
}

.control-btn.loading svg {
    animation: rotate 1s linear infinite;
}

@keyframes rotate {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}