:root {
    --swiss-bg: #ffffff;
    --swiss-text: #000000;
    --swiss-border: #000000;
    --swiss-accent: #ff0000;
    --swiss-muted: #666666;
    --swiss-grid-width: 1px;
}

body {
    background-color: var(--swiss-bg);
    color: var(--swiss-text);
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.2;
    margin: 0;
    padding: 0;
}

.mono {
    font-family: 'JetBrains Mono', monospace;
}

/* Typography */
.huge-type {
    font-size: clamp(4rem, 15vw, 8rem);
    font-weight: 900;
    letter-spacing: -0.05em;
    line-height: 0.8;
    text-transform: uppercase;
}

.section-title {
    font-size: clamp(2rem, 8vw, 4rem);
    font-weight: 900;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

/* Grid System */
.swiss-grid {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    border-top: var(--swiss-grid-width) solid var(--swiss-border);
    border-left: var(--swiss-grid-width) solid var(--swiss-border);
}

.swiss-cell {
    border-right: var(--swiss-grid-width) solid var(--swiss-border);
    border-bottom: var(--swiss-grid-width) solid var(--swiss-border);
    padding: 2rem;
}

/* Buttons & Inputs */
.swiss-btn {
    border: var(--swiss-grid-width) solid var(--swiss-border);
    padding: 0.75rem 1.5rem;
    text-transform: uppercase;
    font-weight: 900;
    background: transparent;
    cursor: pointer;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.swiss-btn:hover {
    background: var(--swiss-text);
    color: var(--swiss-bg);
}

.swiss-btn-black {
    background: var(--swiss-text);
    color: var(--swiss-bg);
}

.swiss-btn-black:hover {
    background: var(--swiss-bg);
    color: var(--swiss-text);
}

.swiss-input {
    width: 100%;
    border: var(--swiss-grid-width) solid var(--swiss-border);
    padding: 1rem;
    font-family: 'JetBrains Mono', monospace;
    text-transform: uppercase;
    outline: none;
    background: transparent;
}

/* Modal Popovers (Swiss Style) */
[popover].modal-popover {
    border: var(--swiss-grid-width) solid var(--swiss-border);
    padding: 0;
    background: var(--swiss-bg);
    box-shadow: 20px 20px 0px 0px var(--swiss-border);
    inset: 0;
    margin: auto;
    width: min(90vw, 600px);
    height: fit-content;
    max-height: 90vh;
    overflow-y: auto;
}

[popover]::backdrop {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: grayscale(1);
}

/* Navigation Dropdowns (Swiss Style) */
.nav-dropdown[popover] {
    border: var(--swiss-grid-width) solid var(--swiss-border);
    padding: 0;
    margin: 0;
    background: var(--swiss-bg);
    box-shadow: 10px 10px 0px 0px var(--swiss-border);
    min-width: 16rem;
    position: absolute;
    inset: unset;
    top: 60px;
}

.nav-dropdown a {
    display: block;
    padding: 1rem 2rem;
    border-bottom: var(--swiss-grid-width) solid var(--swiss-border);
    text-transform: uppercase;
    font-weight: 900;
    text-decoration: none;
    color: var(--swiss-text);
}

.nav-dropdown a:last-child {
    border-bottom: none;
}

.nav-dropdown a:hover {
    background: var(--swiss-text);
    color: var(--swiss-bg);
}

/* Stats */
.stat-label {
    font-family: 'JetBrains Mono', monospace;
    font-size: 0.75rem;
    font-weight: bold;
    text-transform: uppercase;
    display: block;
    margin-bottom: 1rem;
    color: var(--swiss-muted);
}

.stat-value {
    font-size: clamp(2rem, 5vw, 4rem);
    font-weight: 900;
    display: block;
}

/* Admin Specific */
.admin-mode .swiss-cell.active-tab {
    background: var(--swiss-text);
    color: var(--swiss-bg);
}

.log-window {
    background: #000;
    color: #00ff00;
    font-family: 'JetBrains Mono', monospace;
    padding: 1.5rem;
    border-radius: 0;
    height: 500px;
    overflow-y: auto;
    font-size: 0.8rem;
    line-height: 1.6;
    border: 1px solid #333;
}

.log-entry {
    border-bottom: 1px solid #222;
    padding: 0.25rem 0;
}

/* Overlay Protocol Navigation */
#protocol-overlay {
    position: fixed;
    inset: 0;
    background: var(--swiss-bg);
    z-index: 9999;
    display: none;
    overflow-y: auto;
}

#protocol-overlay.active {
    display: block;
}

.overlay-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    min-height: 100vh;
    border: 10px solid var(--swiss-text);
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .overlay-grid {
        grid-template-columns: repeat(2, 1fr);
        height: 100vh;
        border-width: 20px;
    }
}

.overlay-cell {
    padding: 2rem;
    border-bottom: 1px solid var(--swiss-text);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .overlay-cell {
        padding: 4rem;
        border-bottom: none;
        border-right: 1px solid var(--swiss-text);
    }
    .overlay-cell:last-child {
        border-right: none;
    }
}

.overlay-link {
    font-size: clamp(2rem, 8vw, 5rem);
    font-weight: 900;
    text-transform: uppercase;
    color: var(--swiss-text);
    text-decoration: none;
    line-height: 1;
    transition: color 0.2s;
    display: block;
}

.overlay-link:hover {
    color: var(--swiss-accent);
}

.overlay-close {
    cursor: pointer;
    background: none;
    border: none;
    padding: 0;
    text-align: left;
}

/* Utilities */
.accent { color: var(--swiss-accent); }
.bg-black { background-color: var(--swiss-text); color: var(--swiss-bg); }
.border-b { border-bottom: var(--swiss-grid-width) solid var(--swiss-border); }
.border-t { border-top: var(--swiss-grid-width) solid var(--swiss-border); }
.border-l { border-left: var(--swiss-grid-width) solid var(--swiss-border); }
.border-r { border-right: var(--swiss-grid-width) solid var(--swiss-border); }