/*
© 2025 Sharon Aicler (saichler@gmail.com)

Layer 8 Ecosystem is licensed under the Apache License, Version 2.0.
You may obtain a copy of the License at:

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

@font-face {
    font-family: 'Figtree';
    src: url('../l8ui/font/static/Figtree-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Figtree';
    src: url('../l8ui/font/static/Figtree-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Figtree';
    src: url('../l8ui/font/static/Figtree-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Figtree';
    src: url('../l8ui/font/static/Figtree-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

:root {
    --noc-black: #0f172a;
    --noc-dark: #111827;
    --noc-charcoal: #1f2937;
    --noc-slate: #334155;
    --noc-gray: #475569;

    --noc-cyan: #0ea5e9;
    --noc-green: #16a34a;
    --noc-amber: #d97706;
    --noc-red: #dc2626;
    --noc-blue: #2563eb;
    --noc-indigo: #4f46e5;

    --status-operational: #00c853;
    --status-warning: #ffc107;
    --status-critical: #ff3d00;
    --status-offline: #757575;
    --status-maintenance: #2196f3;

    --text-primary: #0f172a;
    --text-secondary: #475569;
    --text-muted: #64748b;
    --text-dim: #94a3b8;

    --bg-primary: #f7f6f2;
    --bg-secondary: #f1eee8;
    --bg-tertiary: #e3ded6;
    --bg-card: #fcfbf8;
    --bg-elevated: #fdfcf9;

    --border-subtle: #ddd7ce;
    --border-default: #c8c0b4;
    --border-emphasis: #94a3b8;
    --border-glow: rgba(14, 165, 233, 0.12);

    --shadow-sm: 0 1px 2px 0 rgba(15, 23, 42, 0.05);
    --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
    --shadow-lg: 0 12px 28px rgba(15, 23, 42, 0.12);
    --shadow-glow: 0 0 0 rgba(0, 0, 0, 0);

    --glow-cyan: none;
    --glow-green: none;
    --glow-amber: none;
    --glow-red: none;
}

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

body {
    font-family: 'Figtree', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-size: 14px;
    overflow-x: hidden;
}

.app-container {
    display: grid;
    grid-template-areas:
        "header header"
        "sidebar content";
    grid-template-columns: 260px 1fr;
    grid-template-rows: 60px 1fr;
    height: 100vh;
    background: var(--bg-primary);
}

.app-header {
    grid-area: header;
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    box-shadow: none;
    position: relative;
    z-index: 100;
}

.header-illustration {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.12;
    z-index: 1;
}

.header-left,
.header-right {
    position: relative;
    z-index: 2;
}

.app-header::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--border-subtle);
}

.header-left {
    display: flex;
    align-items: center;
    gap: 14px;
}

.header-logo {
    width: 42px;
    height: 42px;
    filter: none;
}

.header-title h1 {
    font-size: 22px;
    color: var(--text-primary);
    font-weight: 700;
    margin-bottom: 0;
    letter-spacing: -0.02em;
    text-transform: none;
    font-family: 'Figtree', sans-serif;
}

.header-subtitle {
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
    text-transform: none;
    letter-spacing: 0;
    margin-top: 2px;
}

.header-right {
    display: flex;
    align-items: center;
    gap: 20px;
}

.powered-by-header {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 11px;
    color: var(--text-muted);
    font-weight: 500;
}

.layer8-header-logo {
    width: 38px;
    height: 38px;
    filter: none;
}

.layer8-header-text {
    font-weight: 600;
    color: var(--text-secondary);
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 18px;
}

.username {
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 12px;
}

.logout-btn,
.home-btn {
    padding: 8px 14px;
    background: var(--bg-card);
    color: var(--text-primary);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
    font-size: 11px;
    transition: background 0.2s ease, border-color 0.2s ease, color 0.2s ease;
    font-family: 'Figtree', sans-serif;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.logout-btn:hover,
.home-btn:hover {
    background: var(--bg-secondary);
    border-color: var(--noc-cyan);
    color: var(--noc-cyan);
}

.sidebar {
    grid-area: sidebar;
    background: var(--bg-card);
    border-right: 1px solid var(--border-subtle);
    overflow-y: auto;
    padding: 12px 0;
}

.nav-menu {
    list-style: none;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 11px 18px;
    margin: 2px 10px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 10px;
    font-weight: 500;
    transition: background 0.2s ease, color 0.2s ease, border-color 0.2s ease;
    border: 1px solid transparent;
}

.nav-link:hover {
    background: var(--bg-secondary);
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.nav-link.active {
    background: #f0ede6;
    color: var(--text-primary);
    border-color: var(--border-default);
    box-shadow: none;
}

.nav-icon {
    font-size: 16px;
    width: 20px;
    text-align: center;
}

.main-content {
    grid-area: content;
    background: var(--bg-primary);
    overflow: hidden;
    min-width: 0;
    min-height: 0;
}

#content-area {
    height: 100%;
    min-height: 0;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}