/* TERABYTE_EXE // SYSTEM STYLES 
   Inspiration: Teenage Engineering / Industrial Design 
*/

:root {
    /* LIGHT MODE (DEFAULT) */
    --te-bg: #e5e5e5;
    --te-panel: #f0f0f0;
    --te-text: #222222;
    --te-orange: #ff4d00;
    --te-border: #cccccc;
    --te-key-bg: #ffffff;
    --te-key-shadow: #bbbbbb;
    --te-font: 'JetBrains Mono', monospace;
}

[data-theme="dark"] {
    /* DARK MODE (FIELD) */
    --te-bg: #111111;
    --te-panel: #1a1a1a;
    --te-text: #e5e5e5;
    --te-orange: #ff4d00;
    --te-border: #333333;
    --te-key-bg: #222222;
    --te-key-shadow: #000000;
}

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

body {
    background: var(--te-bg);
    color: var(--te-text);
    font-family: var(--te-font);
    padding: 20px;
    transition: background 0.2s ease;
}

/* TYPOGRAPHY */
.label { 
    font-size: 10px; 
    text-transform: uppercase; 
    letter-spacing: 0.05em; 
    opacity: 0.6; 
    margin-bottom: 2px;
}

.value { 
    font-size: 14px; 
    font-weight: 700; 
    text-transform: uppercase; 
}

h1, h2, h3 { 
    letter-spacing: -0.05em; 
    text-transform: uppercase; 
}

/* LAYOUT ENGINE */
.te-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1px;
    background: var(--te-border);
    border: 1px solid var(--te-border);
}

.te-panel {
    background: var(--te-panel);
    padding: 20px;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    transition: background 0.2s ease;
}

/* INTERACTIVES */
.te-key {
    width: 42px;
    height: 42px;
    background: var(--te-key-bg);
    border-radius: 50%;
    border: 1px solid var(--te-border);
    box-shadow: 0 3px 0 var(--te-key-shadow);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.1s;
    cursor: pointer;
    text-decoration: none;
    color: inherit;
    font-weight: bold;
}

.te-key:hover {
    filter: brightness(1.05);
}

.te-key:active {
    transform: translateY(2px);
    box-shadow: 0 1px 0 var(--te-key-shadow);
}

.te-key.orange {
    background: var(--te-orange);
    border-color: #cc3e00;
    box-shadow: 0 3px 0 #cc3e00;
    color: white;
}

/* HEADER/FOOTER */
header {
    border-bottom: 1px solid var(--te-border);
    padding-bottom: 15px;
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
}

footer {
    margin-top: 40px;
    padding-top: 20px;
    border-top: 1px solid var(--te-border);
}