/* mailgw CSS Design System */

:root {
    --bg-base: hsl(220, 30%, 7%);
    --bg-surface: rgba(18, 22, 33, 0.7);
    --bg-card: rgba(26, 33, 50, 0.6);
    --bg-sidebar: rgba(15, 19, 29, 0.8);
    --bg-input: rgba(36, 46, 69, 0.5);
    
    --border-color: rgba(255, 255, 255, 0.08);
    --border-glow: rgba(99, 102, 241, 0.15);
    
    --color-primary: hsl(250, 89%, 65%);
    --color-primary-hover: hsl(250, 89%, 72%);
    --color-primary-glow: rgba(99, 102, 241, 0.4);
    
    --color-success: hsl(142, 70%, 45%);
    --color-success-bg: rgba(16, 185, 129, 0.1);
    --color-success-border: rgba(16, 185, 129, 0.2);
    
    --color-error: hsl(346, 84%, 61%);
    --color-error-bg: rgba(239, 68, 68, 0.1);
    --color-error-border: rgba(239, 68, 68, 0.2);
    
    --color-warning: hsl(38, 92%, 50%);
    --color-warning-bg: rgba(245, 158, 11, 0.1);
    --color-warning-border: rgba(245, 158, 11, 0.2);
    
    --text-main: hsl(210, 38%, 95%);
    --text-muted: hsl(215, 20%, 65%);
    --text-inverse: hsl(220, 30%, 7%);
    
    --font-heading: 'Outfit', 'Inter', sans-serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'Courier New', Courier, monospace;
    
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    
    --transition-fast: 0.15s ease;
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Global resets & scrollbar */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-body);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
    overflow-x: hidden;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.15);
    border-radius: var(--radius-sm);
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.25);
}

/* Glassmorphism helpers */
.glass {
    background: var(--bg-card);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
}

/* Navigation Layout */
.dashboard-layout {
    display: grid;
    grid-template-columns: 260px 1fr;
    min-height: 100vh;
}

/* Sidebar Styling */
.sidebar {
    background: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    height: 100vh;
    position: sticky;
    top: 0;
    z-index: 100;
}

.sidebar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.sidebar-brand h1 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #fff 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.neon-icon {
    font-size: 1.5rem;
    color: var(--color-primary);
    filter: drop-shadow(0 0 8px var(--color-primary-glow));
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    flex-grow: 1;
}

.nav-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.85rem 1rem;
    border-radius: var(--radius-md);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-align: left;
    transition: var(--transition-fast);
}

.nav-btn i {
    font-size: 1.1rem;
    width: 20px;
    text-align: center;
    transition: var(--transition-fast);
}

.nav-btn:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.04);
}

.nav-btn.active {
    color: var(--text-main);
    background: var(--border-glow);
    border: 1px solid rgba(99, 102, 241, 0.25);
    box-shadow: inset 0 0 8px rgba(99, 102, 241, 0.1);
}

.nav-btn.active i {
    color: var(--color-primary);
    filter: drop-shadow(0 0 4px var(--color-primary-glow));
}

.sidebar-footer {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    margin-top: 1rem;
}

.status-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}
.status-indicator.online {
    background-color: var(--color-success);
    box-shadow: 0 0 8px var(--color-success);
}
.status-label {
    font-size: 0.85rem;
    color: var(--text-muted);
    flex-grow: 1;
}

/* Main Content Area */
.content-area {
    padding: 2.5rem;
    overflow-y: auto;
    height: 100vh;
}

.panel {
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}
.panel.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

.panel-header {
    margin-bottom: 2rem;
}
.panel-header h2 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 0.35rem;
}
.panel-header p {
    color: var(--text-muted);
}

.panel-header-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    gap: 1rem;
}
.panel-header-actions h2 {
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 2rem;
    margin-bottom: 0.35rem;
}
.panel-header-actions p {
    color: var(--text-muted);
}

/* Stats Dashboard Card Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.stat-card {
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: transform var(--transition-normal);
}
.stat-card:hover {
    transform: translateY(-4px);
}

.border-indigo { border-left: 4px solid var(--color-primary); }
.border-emerald { border-left: 4px solid var(--color-success); }
.border-crimson { border-left: 4px solid var(--color-error); }
.border-amber { border-left: 4px solid var(--color-warning); }

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 1rem;
}
.stat-title {
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}
.stat-icon {
    width: 38px;
    height: 38px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
}
.bg-indigo { background: rgba(99, 102, 241, 0.15); color: var(--color-primary); }
.bg-emerald { background: rgba(16, 185, 129, 0.15); color: var(--color-success); }
.bg-crimson { background: rgba(239, 68, 68, 0.15); color: var(--color-error); }
.bg-amber { background: rgba(245, 158, 11, 0.15); color: var(--color-warning); }

.stat-value {
    font-family: var(--font-heading);
    font-size: 2.25rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}
.stat-desc {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* Grids */
.layout-grid-2 {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 1.5rem;
    align-items: start;
}

@media (max-width: 1024px) {
    .layout-grid-2 {
        grid-template-columns: 1fr;
    }
    .dashboard-layout {
        grid-template-columns: 1fr;
    }
    .sidebar {
        height: auto;
        position: static;
        border-right: none;
        border-bottom: 1px solid var(--border-color);
    }
}

/* Cards & Tables */
.card {
    border-radius: var(--radius-lg);
    padding: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
}

.card-header h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
}

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

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

.table th {
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-color);
}

.table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
    font-size: 0.9rem;
    vertical-align: middle;
}

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

.table tbody tr {
    transition: var(--transition-fast);
}
.table tbody tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.25rem 0.65rem;
    border-radius: 50px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
}

.badge-success { background: var(--color-success-bg); color: var(--color-success); border: 1px solid var(--color-success-border); }
.badge-danger { background: var(--color-error-bg); color: var(--color-error); border: 1px solid var(--color-error-border); }
.badge-warning { background: var(--color-warning-bg); color: var(--color-warning); border: 1px solid var(--color-warning-border); }
.badge-neutral { background: rgba(255,255,255,0.06); color: var(--text-muted); border: 1px solid var(--border-color); }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-weight: 600;
    border-radius: var(--radius-md);
    padding: 0.65rem 1.25rem;
    cursor: pointer;
    font-size: 0.95rem;
    border: 1px solid transparent;
    transition: var(--transition-fast);
}

.btn-primary {
    background-color: var(--color-primary);
    color: #fff;
    box-shadow: 0 4px 14px 0 var(--color-primary-glow);
}
.btn-primary:hover {
    background-color: var(--color-primary-hover);
    transform: translateY(-1px);
}

.btn-secondary {
    background-color: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color);
    color: var(--text-main);
}
.btn-secondary:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.btn-danger {
    background-color: var(--color-error-bg);
    border-color: var(--color-error-border);
    color: var(--color-error);
}
.btn-danger:hover {
    background-color: rgba(239, 68, 68, 0.2);
}

.btn-sm {
    padding: 0.4rem 0.85rem;
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.btn-block {
    display: flex;
    width: 100%;
}

.btn-icon {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.5rem;
    border-radius: var(--radius-sm);
    transition: var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn-icon:hover {
    color: var(--text-main);
    background: rgba(255, 255, 255, 0.06);
}

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.25rem;
}
.btn-close:hover {
    color: var(--text-main);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background: rgba(8, 10, 15, 0.75);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1.5rem;
    animation: fadeIn 0.2s ease;
}

.modal-card {
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 580px;
    padding: 2rem;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideUp 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.card-lg {
    max-width: 720px;
}

@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

.modal-header h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 0.75rem;
    margin-top: 2rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

/* Forms & Inputs */
.form-group {
    margin-bottom: 1.25rem;
}

.form-row {
    display: flex;
    gap: 1rem;
}

.col-8 { flex: 2; }
.col-4 { flex: 1; }

label {
    display: block;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 0.5rem;
}

input[type="text"],
input[type="password"],
input[type="number"],
select,
textarea {
    width: 100%;
    background: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    color: var(--text-main);
    padding: 0.75rem 1rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
    background: rgba(36, 46, 69, 0.7);
}

.form-hint {
    display: block;
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.35rem;
}

/* Checkbox */
.checkbox-container {
    display: flex;
    align-items: center;
    gap: 0.65rem;
    cursor: pointer;
    font-weight: 500;
    user-select: none;
    margin-bottom: 0;
}

.checkbox-container input {
    display: none;
}

.checkmark {
    width: 18px;
    height: 18px;
    border: 1px solid var(--border-color);
    background: var(--bg-input);
    border-radius: var(--radius-sm);
    display: inline-block;
    position: relative;
    transition: var(--transition-fast);
}

.checkbox-container input:checked ~ .checkmark {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
}

.checkbox-container input:checked ~ .checkmark::after {
    content: "";
    position: absolute;
    left: 6px;
    top: 2px;
    width: 4px;
    height: 8px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
}

/* Code blocks */
.code-block-wrapper {
    background: rgba(10, 12, 18, 0.9);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    overflow: hidden;
    margin: 1rem 0;
}

.code-header {
    background: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    padding: 0.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.8rem;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
}

.btn-copy {
    background: transparent;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}
.btn-copy:hover {
    color: var(--text-main);
}

pre {
    padding: 1rem;
    margin: 0;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    overflow-x: auto;
    white-space: pre;
    color: #a5b4fc;
}

/* Login screen custom overlay card */
.login-card {
    border-radius: var(--radius-lg);
    width: 100%;
    max-width: 400px;
    padding: 2.5rem;
    text-align: center;
}

.login-card .brand {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.login-card h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--text-main);
}

.login-card p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

.login-card label {
    text-align: left;
}

.error-text {
    color: var(--color-error);
    font-size: 0.85rem;
    text-align: left;
    margin-top: -0.5rem;
    margin-bottom: 1rem;
}

/* Pagination */
.pagination-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.pagination-buttons {
    display: flex;
    gap: 0.5rem;
}

/* Tab contents */
.tabs {
    display: flex;
    border-bottom: 1px solid var(--border-color);
    margin-bottom: 1.5rem;
    gap: 1.5rem;
}

.tab-btn {
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: 1rem;
    padding: 0.75rem 0;
    cursor: pointer;
    border-bottom: 2px solid transparent;
    transition: var(--transition-fast);
}
.tab-btn:hover {
    color: var(--text-main);
}
.tab-btn.active {
    color: var(--color-primary);
    border-bottom-color: var(--color-primary);
}

.tab-content {
    display: none;
    animation: fadeIn 0.2s ease-in-out;
}
.tab-content.active {
    display: block;
}

/* Setup Steps list */
.setup-steps {
    list-style: none;
    counter-reset: steps-counter;
}

.setup-steps li {
    counter-increment: steps-counter;
    position: relative;
    padding-left: 2.5rem;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
    line-height: 1.6;
}

.setup-steps li::before {
    content: counter(steps-counter);
    position: absolute;
    left: 0;
    top: 2px;
    width: 24px;
    height: 24px;
    background: var(--color-primary-glow);
    border: 1px solid rgba(99, 102, 241, 0.3);
    color: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 0.75rem;
    font-family: var(--font-heading);
}

.setup-steps li strong {
    display: block;
    color: var(--text-main);
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.setup-steps li ul {
    margin-top: 0.5rem;
    padding-left: 1.25rem;
    list-style-type: disc;
    color: var(--text-muted);
}

.guide-content h3 {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.guide-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.guide-content a {
    color: var(--color-primary-hover);
    text-decoration: none;
}
.guide-content a:hover {
    text-decoration: underline;
}

/* Alerts */
.alert {
    padding: 1.25rem;
    border-radius: var(--radius-md);
    margin: 1.5rem 0;
}
.alert-info {
    background-color: var(--color-success-bg);
    border: 1px solid var(--color-success-border);
}
.alert-info h4 {
    color: var(--color-success);
    font-family: var(--font-heading);
    font-size: 1rem;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.alert-info p {
    margin-bottom: 0;
    font-size: 0.85rem;
}

/* Search bar styling */
.search-filter-bar {
    display: flex;
    gap: 0.75rem;
    align-items: center;
}

.search-input-wrapper {
    position: relative;
    width: 300px;
}

.search-input-wrapper i {
    position: absolute;
    left: 0.95rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-input-wrapper input {
    padding-left: 2.35rem;
}

@media (max-width: 640px) {
    .search-filter-bar {
        flex-direction: column;
        align-items: stretch;
        width: 100%;
    }
    .search-input-wrapper {
        width: 100%;
    }
}

/* Details modal styling */
.details-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
.details-grid-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1.25rem;
    margin-bottom: 1.25rem;
}
.detail-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 0.5px;
    margin-bottom: 0.35rem;
}
.detail-value {
    font-size: 0.95rem;
    word-break: break-all;
}

/* Utilities */
.hidden { display: none !important; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-muted { color: var(--text-muted) !important; }
.text-danger { color: var(--color-error) !important; }
.border-danger { border-color: var(--color-error-border) !important; }
.text-sm { font-size: 0.8rem; }
.text-xs { font-size: 0.75rem; }
.text-wrap { white-space: pre-wrap !important; }
.text-break { word-break: break-all; }
.font-mono { font-family: var(--font-mono); }
.font-semibold { font-weight: 600; }
.mt-3 { margin-top: 1rem; }
.actions-cell {
    display: flex;
    justify-content: flex-end;
    gap: 0.5rem;
}