/* ==========================================================================
   SecureGuard Central — Dashboard CSS
   Data Age Solutions
   ========================================================================== */

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

:root {
    --sg-bg:        #0d1117;
    --sg-surface:   #161b22;
    --sg-surface-2: #1c2128;
    --sg-surface-3: #22272e;
    --sg-border:    rgba(255,255,255,.08);
    --sg-border-2:  rgba(255,255,255,.14);
    --sg-text:      #e6edf3;
    --sg-muted:     #8b949e;
    --sg-primary:   #58a6ff;
    --sg-green:     #3fb950;
    --sg-red:       #f85149;
    --sg-yellow:    #d29922;
    --sg-sidebar-w: 220px;
    --sg-radius:    10px;
    --sg-shadow:    0 4px 28px rgba(0,0,0,.5);
}

html, body {
    height: 100%;
    background: var(--sg-bg);
    color: var(--sg-text);
    font: 400 14px/1.6 -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    -webkit-font-smoothing: antialiased;
}

a           { color: var(--sg-primary); text-decoration: none; }
a:hover     { text-decoration: underline; }
code        { font-family: 'SFMono-Regular', Consolas, monospace; font-size: 12px; }

/* --------------------------------------------------------------------------
   App shell
   -------------------------------------------------------------------------- */
#sg-app {
    display: grid;
    grid-template-columns: var(--sg-sidebar-w) 1fr;
    min-height: 100vh;
}

/* --------------------------------------------------------------------------
   Sidebar
   -------------------------------------------------------------------------- */
.sg-sidebar {
    background: var(--sg-surface);
    border-right: 1px solid var(--sg-border);
    display: flex;
    flex-direction: column;
    position: sticky;
    top: 0;
    height: 100vh;
    overflow-y: auto;
}
.sg-sidebar__top    { flex: 1; padding: 20px 0 12px; }
.sg-sidebar__bottom { padding: 14px 16px; border-top: 1px solid var(--sg-border); }

.sg-sidebar__logo {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0 16px 18px;
    border-bottom: 1px solid var(--sg-border);
    margin-bottom: 12px;
}
.sg-sidebar__name   { font-size: 14px; font-weight: 700; }
.sg-sidebar__sub    { font-size: 11px; color: var(--sg-muted); }
.sg-sidebar__brand  { font-size: 11px; color: var(--sg-muted); margin-bottom: 8px; }

.sg-sidebar__logout {
    background: none;
    border: 1px solid var(--sg-border);
    color: var(--sg-muted);
    padding: 5px 10px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 12px;
    width: 100%;
    transition: border-color .15s, color .15s;
}
.sg-sidebar__logout:hover { border-color: var(--sg-border-2); color: var(--sg-text); }

/* Nav */
.sg-nav          { padding: 4px 8px; }
.sg-nav__item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    border-radius: 8px;
    color: var(--sg-muted);
    font-size: 13px;
    font-weight: 500;
    transition: background .15s, color .15s;
    text-decoration: none;
    margin-bottom: 2px;
}
.sg-nav__item:hover       { background: var(--sg-surface-2); color: var(--sg-text); text-decoration: none; }
.sg-nav__item--active     { background: rgba(88,166,255,.12); color: var(--sg-primary); }

/* --------------------------------------------------------------------------
   Main
   -------------------------------------------------------------------------- */
.sg-main { overflow-y: auto; padding: 28px; min-height: 100vh; }

.sg-topbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
}
.sg-topbar__title { font-size: 20px; font-weight: 700; }

.sg-back-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--sg-muted);
    text-decoration: none;
    padding: 5px 10px;
    border-radius: 6px;
    border: 1px solid var(--sg-border);
    white-space: nowrap;
    transition: color .15s, background .15s;
}
.sg-back-link:hover { color: var(--sg-text); background: var(--sg-surface-2); text-decoration: none; }

/* Views */
.sg-view          { display: none; }
.sg-view--active  { display: block; }

/* --------------------------------------------------------------------------
   Stat cards
   -------------------------------------------------------------------------- */
.sg-stat-row {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 20px;
}
.sg-stat-card {
    background: var(--sg-surface);
    border: 1px solid var(--sg-border);
    border-radius: var(--sg-radius);
    padding: 20px;
}
.sg-stat-card__num   { font-size: 2rem; font-weight: 700; line-height: 1; margin-bottom: 4px; }
.sg-stat-card__label { font-size: 12px; color: var(--sg-muted); }
.sg-stat-card__sub   { font-size: 11px; color: var(--sg-muted); margin-top: 5px; }

/* --------------------------------------------------------------------------
   Panel
   -------------------------------------------------------------------------- */
.sg-panel {
    background: var(--sg-surface);
    border: 1px solid var(--sg-border);
    border-radius: var(--sg-radius);
    overflow: hidden;
}
.sg-panel__head {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 13px 20px;
    border-bottom: 1px solid var(--sg-border);
}
.sg-panel__title {
    font-size: 13px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}
.sg-panel__dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--sg-primary);
    flex-shrink: 0;
}
.sg-panel__body { padding: 20px; }

/* Two-column grid */
.sg-grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

/* --------------------------------------------------------------------------
   Bar chart
   -------------------------------------------------------------------------- */
.sg-bar-chart-wrap { min-height: 60px; }
.sg-bar-chart {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 64px;
}
.sg-bar {
    flex: 1;
    background: var(--sg-primary);
    border-radius: 2px 2px 0 0;
    opacity: .62;
    transition: opacity .15s;
    min-height: 2px;
    cursor: default;
}
.sg-bar:hover { opacity: 1; }
.sg-bar-labels {
    display: flex;
    gap: 2px;
    margin-top: 5px;
}
.sg-bar-label {
    flex: 1;
    font-size: 9px;
    color: var(--sg-muted);
    text-align: center;
    overflow: hidden;
}

/* Country bars */
.sg-country-row {
    display: grid;
    grid-template-columns: 2.5rem 1fr 3.5rem;
    align-items: center;
    gap: 10px;
    margin-bottom: 10px;
}
.sg-country-track { height: 6px; background: var(--sg-surface-2); border-radius: 3px; overflow: hidden; }
.sg-country-fill  { height: 100%; background: var(--sg-red); border-radius: 3px; }

/* --------------------------------------------------------------------------
   Table
   -------------------------------------------------------------------------- */
.sg-table { width: 100%; border-collapse: collapse; font-size: 13px; }
.sg-table th {
    padding: 9px 14px;
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    color: var(--sg-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    border-bottom: 1px solid var(--sg-border);
    white-space: nowrap;
}
.sg-table td { padding: 9px 14px; border-bottom: 1px solid var(--sg-border); vertical-align: middle; }
.sg-table tr:last-child td  { border-bottom: none; }
.sg-table tr:hover td       { background: var(--sg-surface-2); }
.sg-truncate { max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --------------------------------------------------------------------------
   Sites grid
   -------------------------------------------------------------------------- */
.sg-sites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}
.sg-site-card {
    background: var(--sg-surface);
    border: 1px solid var(--sg-border);
    border-radius: var(--sg-radius);
    padding: 20px;
    cursor: pointer;
    transition: border-color .15s, box-shadow .15s;
}
.sg-site-card:hover       { border-color: var(--sg-border-2); box-shadow: var(--sg-shadow); }
.sg-site-card__name       { font-size: 15px; font-weight: 600; margin-bottom: 4px; }
.sg-site-card__url        { font-size: 12px; color: var(--sg-primary); margin-bottom: 14px;
                             white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sg-site-card__meta       { display: flex; gap: 14px; font-size: 12px; color: var(--sg-muted); }

/* --------------------------------------------------------------------------
   Badges
   -------------------------------------------------------------------------- */
.sg-badge      { display: inline-block; padding: 2px 8px; border-radius: 10px; font-size: 11px; font-weight: 600; }
.sg-badge--ok  { background: rgba(63,185,80,.14);  color: var(--sg-green); }
.sg-badge--err { background: rgba(248,81,73,.14);  color: var(--sg-red); }
.sg-badge--off { background: var(--sg-surface-2);  color: var(--sg-muted); }

/* Severity */
.sg-sev-critical { color: var(--sg-red);    font-weight: 700; font-size: 11px; }
.sg-sev-high     { color: #ff7b72;          font-weight: 600; font-size: 11px; }
.sg-sev-medium   { color: var(--sg-yellow); font-size: 11px; }
.sg-sev-low      { color: var(--sg-muted);  font-size: 11px; }

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.sg-btn {
    padding: 7px 14px;
    border-radius: 8px;
    border: 1px solid var(--sg-border);
    background: var(--sg-surface-2);
    color: var(--sg-text);
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: background .15s, border-color .15s;
    white-space: nowrap;
}
.sg-btn:hover             { border-color: var(--sg-border-2); background: var(--sg-surface-3); }
.sg-btn--primary          { background: var(--sg-primary); color: #0d1117; border-color: var(--sg-primary); }
.sg-btn--primary:hover    { opacity: .88; }
.sg-btn--ghost            { background: transparent; }
.sg-btn--sm               { padding: 5px 10px; font-size: 12px; }
.sg-btn-xs {
    padding: 3px 8px;
    font-size: 11px;
    border-radius: 6px;
    border: 1px solid var(--sg-border);
    background: transparent;
    color: var(--sg-muted);
    cursor: pointer;
    white-space: nowrap;
}
.sg-btn-xs:hover { border-color: var(--sg-border-2); color: var(--sg-text); }

/* --------------------------------------------------------------------------
   Inputs
   -------------------------------------------------------------------------- */
.sg-input {
    padding: 7px 10px;
    border-radius: 8px;
    border: 1px solid var(--sg-border);
    background: var(--sg-surface-2);
    color: var(--sg-text);
    font-size: 13px;
    outline: none;
    width: 100%;
    transition: border-color .15s;
}
.sg-input:focus   { border-color: var(--sg-primary); }
.sg-input--sm     { padding: 5px 8px; font-size: 12px; }
select.sg-input   { cursor: pointer; }

.sg-filter-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

/* --------------------------------------------------------------------------
   Pagination
   -------------------------------------------------------------------------- */
.sg-pager         { display: flex; gap: 4px; }
.sg-pager__btn {
    padding: 4px 10px;
    border-radius: 6px;
    border: 1px solid var(--sg-border);
    background: transparent;
    color: var(--sg-muted);
    cursor: pointer;
    font-size: 12px;
    transition: border-color .15s, color .15s;
}
.sg-pager__btn:hover        { border-color: var(--sg-border-2); color: var(--sg-text); }
.sg-pager__btn--active      { background: var(--sg-primary); color: #0d1117; border-color: var(--sg-primary); }
.sg-pager__info             { font-size: 12px; color: var(--sg-muted); }

/* --------------------------------------------------------------------------
   Modal
   -------------------------------------------------------------------------- */
.sg-modal {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,.6);
    align-items: center;
    justify-content: center;
    z-index: 1000;
    backdrop-filter: blur(4px);
}
.sg-modal--open { display: flex; }
.sg-modal__card {
    background: var(--sg-surface);
    border: 1px solid var(--sg-border-2);
    border-radius: var(--sg-radius);
    width: 520px;
    max-width: 92vw;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--sg-shadow);
}
.sg-modal__card--wide { width: 860px; }
.sg-modal__head {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    padding: 18px 20px;
    border-bottom: 1px solid var(--sg-border);
    position: sticky;
    top: 0;
    background: var(--sg-surface);
    z-index: 1;
}
.sg-modal__head h3  { font-size: 15px; font-weight: 600; }
.sg-modal__close    { background: none; border: none; color: var(--sg-muted);
                       font-size: 18px; cursor: pointer; padding: 0 4px; line-height: 1; }
.sg-modal__close:hover { color: var(--sg-text); }
.sg-modal__body     { padding: 20px; }

/* --------------------------------------------------------------------------
   Form
   -------------------------------------------------------------------------- */
.sg-form-field        { margin-bottom: 14px; }
.sg-form-field label  {
    display: block;
    font-size: 11px;
    font-weight: 600;
    color: var(--sg-muted);
    text-transform: uppercase;
    letter-spacing: .04em;
    margin-bottom: 5px;
}

.sg-copy-row {
    display: flex;
    gap: 8px;
    align-items: center;
    background: var(--sg-surface-2);
    border: 1px solid var(--sg-border);
    border-radius: 8px;
    padding: 8px 12px;
}
.sg-copy-row code { flex: 1; font-size: 12px; color: var(--sg-text); word-break: break-all; }

/* --------------------------------------------------------------------------
   Alerts
   -------------------------------------------------------------------------- */
.sg-alert {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 12px 14px;
    border-radius: 8px;
    font-size: 13px;
    line-height: 1.5;
}
.sg-alert--warn { background: rgba(210,153,34,.1);  border: 1px solid rgba(210,153,34,.25); color: var(--sg-yellow); }
.sg-alert--ok   { background: rgba(63,185,80,.08);  border: 1px solid rgba(63,185,80,.2);   color: var(--sg-green); }
.sg-alert--info { background: rgba(88,166,255,.07); border: 1px solid rgba(88,166,255,.18); color: var(--sg-primary); }

/* --------------------------------------------------------------------------
   Setup steps
   -------------------------------------------------------------------------- */
.sg-setup-steps ol   { padding-left: 20px; }
.sg-setup-steps li   { margin-bottom: 10px; font-size: 13px; color: var(--sg-muted); line-height: 1.6; }
.sg-setup-steps li strong { color: var(--sg-text); }
.sg-setup-steps code { background: var(--sg-surface-2); padding: 1px 5px; border-radius: 4px; }
.sg-setup-field label { font-size: 11px; font-weight: 600; color: var(--sg-muted);
                         text-transform: uppercase; display: block; margin-bottom: 5px; }

/* --------------------------------------------------------------------------
   Login
   -------------------------------------------------------------------------- */
.sg-login {
    position: fixed;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--sg-bg);
    z-index: 9999;
}
.sg-login__card {
    background: var(--sg-surface);
    border: 1px solid var(--sg-border-2);
    border-radius: 16px;
    padding: 44px 40px;
    width: 380px;
    text-align: center;
    box-shadow: var(--sg-shadow);
}
.sg-login__logo   { font-size: 3.2rem; margin-bottom: 12px; }
.sg-login__card h1 { font-size: 20px; font-weight: 700; margin-bottom: 6px; }
.sg-login__card p  { font-size: 13px; color: var(--sg-muted); margin-bottom: 22px; }
.sg-login__error   { color: var(--sg-red); font-size: 12px; margin-top: 8px; }
.sg-login__footer  { font-size: 11px; color: var(--sg-muted); margin-top: 22px; }

/* --------------------------------------------------------------------------
   Spinner
   -------------------------------------------------------------------------- */
.sg-spinner {
    width: 24px; height: 24px;
    border: 2px solid var(--sg-border);
    border-top-color: var(--sg-primary);
    border-radius: 50%;
    animation: sg-spin .7s linear infinite;
    margin: 24px auto;
}
@keyframes sg-spin { to { transform: rotate(360deg); } }

/* --------------------------------------------------------------------------
   Toast
   -------------------------------------------------------------------------- */
.sg-toast {
    position: fixed;
    bottom: 24px;
    right: 24px;
    background: var(--sg-surface-3);
    border: 1px solid var(--sg-border-2);
    border-radius: 10px;
    padding: 12px 18px;
    font-size: 13px;
    color: var(--sg-text);
    box-shadow: var(--sg-shadow);
    opacity: 0;
    transform: translateY(8px);
    transition: opacity .25s, transform .25s;
    z-index: 9000;
    pointer-events: none;
    max-width: 360px;
}
.sg-toast--visible { opacity: 1; transform: none; }
.sg-toast--ok  { border-color: rgba(63,185,80,.3); }
.sg-toast--err { border-color: rgba(248,81,73,.3); }

/* --------------------------------------------------------------------------
   Empty state
   -------------------------------------------------------------------------- */
.sg-empty         { text-align: center; padding: 40px 20px; color: var(--sg-muted); font-size: 13px; }
.sg-empty__icon   { font-size: 2.5rem; margin-bottom: 10px; }

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */
@media (max-width: 768px) {
    #sg-app                          { grid-template-columns: 1fr; }
    .sg-sidebar                      { display: none; }
    .sg-main                         { padding: 16px; }
    .sg-grid-2                       { grid-template-columns: 1fr; }
    .sg-stat-row                     { grid-template-columns: 1fr 1fr; }
    .sg-modal__card--wide            { width: 96vw; }
}