:root {
    --container-blue: #003057;
    --signal-red: #ff3333;
    --asphalt: #2c3e50;
    --light-gray: #f4f7f6;
    --white: #ffffff;
    --border-color: #d1d9e6;
    --font-ui: 'Barlow', sans-serif;
    --font-mono: 'Share Tech Mono', monospace;
}

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

body {
    font-family: var(--font-ui);
    background-color: var(--asphalt);
    color: #333;
    height: 100vh;
    overflow: hidden;
}

.interface-container {
    display: flex;
    height: 100vh;
}

/* Sidebar */
.sidebar-panel {
    width: 280px;
    background-color: var(--container-blue);
    color: var(--white);
    display: flex;
    flex-direction: column;
    padding: 25px;
    box-shadow: 4px 0 10px rgba(0,0,0,0.3);
    z-index: 10;
}

.brand-header {
    margin-bottom: 40px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
    padding-bottom: 20px;
}

.brand-header h1 {
    font-size: 1.8rem;
    letter-spacing: 1px;
    margin-bottom: 10px;
}

.mono {
    font-family: var(--font-mono);
    color: var(--signal-red);
}

.status-indicator {
    font-size: 0.7rem;
    font-family: var(--font-mono);
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
}

.status-indicator.online {
    background-color: rgba(0, 255, 0, 0.2);
    color: #00ff00;
    border: 1px solid #00ff00;
}

.main-menu {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-grow: 1;
}

.main-menu a {
    text-decoration: none;
    color: #aab7c4;
    font-weight: 600;
    padding: 12px;
    font-size: 0.9rem;
    border-left: 3px solid transparent;
    transition: 0.3s;
    background: rgba(255,255,255,0.02);
}

.main-menu a:hover, .main-menu a.active {
    background: rgba(255,255,255,0.1);
    color: var(--white);
    border-left-color: var(--signal-red);
}

.btn-action {
    margin-top: 20px;
    background-color: var(--signal-red) !important;
    color: var(--white) !important;
    text-align: center;
    border: none !important;
    font-weight: 700 !important;
}

.btn-action:hover {
    background-color: #cc0000 !important;
}

.data-stream {
    margin-top: auto;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #8898aa;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 15px;
}

.data-stream .val {
    color: var(--signal-red);
    float: right;
}

/* Content Panel */
.content-panel {
    flex: 1;
    background-color: var(--light-gray);
    overflow-y: auto;
    position: relative;
    display: flex;
    flex-direction: column;
}

.top-header {
    background-color: var(--white);
    padding: 15px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.breadcrumbs {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: #666;
}

.user-profile {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--container-blue);
}

/* Hero */
.hero-module {
    height: 350px;
    background-size: cover;
    background-position: center;
    position: relative;
    margin: 30px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid #ccc;
}

.module-overlay {
    background: linear-gradient(90deg, rgba(0,48,87,0.95) 0%, rgba(0,48,87,0.6) 100%);
    height: 100%;
    padding: 50px;
    color: var(--white);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.module-overlay h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 15px;
}

.module-overlay p {
    max-width: 600px;
    font-size: 1.1rem;
    margin-bottom: 30px;
    color: #e0e0e0;
}

.kpi-row {
    display: flex;
    gap: 40px;
}

.kpi-card {
    border-left: 4px solid var(--signal-red);
    padding-left: 15px;
}

.kpi-card .label {
    display: block;
    font-size: 0.75rem;
    font-family: var(--font-mono);
    opacity: 0.8;
}

.kpi-card .value {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
}

/* Grid Layout */
.grid-layout {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    padding: 0 30px 60px;
}

.content-card {
    background: var(--white);
    padding: 25px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.05);
}

.content-card h3 {
    color: var(--container-blue);
    margin-bottom: 15px;
    font-size: 1.2rem;
}

.status-bar {
    background: #eee;
    height: 6px;
    width: 100%;
    margin-bottom: 15px;
    border-radius: 3px;
    overflow: hidden;
}

.status-bar .fill {
    background: var(--container-blue);
    height: 100%;
}

/* About / Infrastructure */
.specs-wrapper {
    padding: 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.page-title {
    margin-bottom: 40px;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 20px;
}

.page-title h1 {
    font-size: 2.2rem;
    color: var(--container-blue);
    text-transform: uppercase;
}

.terminal-list {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.terminal-item {
    display: flex;
    background: var(--white);
    border: 1px solid var(--border-color);
}

.terminal-item img {
    width: 350px;
    object-fit: cover;
}

.tech-specs {
    padding: 30px;
    flex: 1;
}

.tech-specs h3 {
    font-size: 1.5rem;
    color: var(--container-blue);
    margin-bottom: 10px;
}

.tech-specs ul {
    margin-top: 20px;
    list-style: none;
    font-family: var(--font-mono);
    font-size: 0.9rem;
    background: #f9f9f9;
    padding: 15px;
}

/* Testimonials / Logistics Log */
.log-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
}

.log-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    padding: 25px;
    position: relative;
}

.log-card.active-card {
    border-top: 4px solid var(--signal-red);
}

.card-id {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: #999;
    margin-bottom: 10px;
}

.log-text {
    font-style: italic;
    color: #555;
    margin-bottom: 20px;
    line-height: 1.5;
}

.log-author strong {
    display: block;
    color: var(--container-blue);
    font-size: 0.95rem;
}

.log-author span {
    font-size: 0.8rem;
    color: #888;
}

/* Contact Form */
.form-section {
    padding: 40px;
    max-width: 900px;
    margin: 0 auto;
    background: var(--white);
    border: 1px solid var(--border-color);
    margin-top: 40px;
}

.form-intro {
    margin-bottom: 30px;
    border-bottom: 1px solid #eee;
    padding-bottom: 20px;
}

.form-intro h2 {
    color: var(--container-blue);
    font-size: 2rem;
}

.terminal-contact {
    margin-top: 15px;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--signal-red);
}

.logistics-form .row {
    display: flex;
    gap: 20px;
    margin-bottom: 20px;
}

.logistics-form .field {
    flex: 1;
}

.logistics-form .field.full {
    width: 100%;
}

.logistics-form label {
    display: block;
    font-weight: 700;
    font-size: 0.8rem;
    margin-bottom: 5px;
    color: var(--asphalt);
    font-family: var(--font-mono);
}

.logistics-form input, .logistics-form select, .logistics-form textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ccc;
    background-color: #fcfcfc;
    border-radius: 2px;
    font-family: var(--font-ui);
}

.logistics-form input:focus {
    border-color: var(--container-blue);
    outline: none;
}

.submit-action {
    width: 100%;
    padding: 15px;
    background-color: var(--container-blue);
    color: var(--white);
    border: none;
    font-weight: bold;
    font-size: 1rem;
    cursor: pointer;
    transition: 0.3s;
}

.submit-action:hover {
    background-color: var(--asphalt);
}

/* Legal */
.doc-viewer {
    max-width: 800px;
    margin: 40px auto;
    background: var(--white);
    padding: 60px;
    border: 1px solid var(--border-color);
}

.doc-viewer h1 {
    color: var(--container-blue);
    font-size: 1.8rem;
}

.divider-line {
    height: 4px;
    width: 50px;
    background: var(--signal-red);
    margin: 20px 0 40px;
}

@media (max-width: 900px) {
    .interface-container { flex-direction: column; height: auto; overflow: auto; }
    .sidebar-panel { width: 100%; height: auto; position: relative; }
    .main-menu { display: none; } /* Simplify for mobile */
    .hero-module { margin: 10px; padding: 20px; }
    .hero-module .module-overlay { padding: 20px; }
    .grid-layout, .log-grid, .terminal-item { grid-template-columns: 1fr; flex-direction: column; }
    .terminal-item img { width: 100%; height: 200px; }
    .logistics-form .row { flex-direction: column; }
}