:root {
    /* Core Palette */
    --primary: #0AAD95;
    --primary-rgb: 10, 173, 149;
    --secondary: #8C3B2E;
    --carbon: #121212;
    --surface: #181818;
    --surface-light: #1e1e1e;

    --bg-body: #131313;
    --bg-sidebar: #141414;
    --bg-main-card: #181818;
    --bg-child-card: rgba(0, 0, 0, 0.2);
    
    /* Text Colors */
    --text-primary: #f3f4f6;
    --text-secondary: #0b295e;
    --text-muted: #6b7280;
    
    /* Borders & Dividers */
    --border-dim: rgba(255, 255, 255, 0.05);
    --border-light: rgba(255, 255, 255, 0.1);
    
    /* Animations */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border Radius */
    --radius-xl: 12px;
    --radius-2xl: 16px;
}

body {
    background-color: var(--bg-body);
}

.main-card {
    background-color: var(--bg-main-card);
    border-radius: var(--radius-2xl);
    border: 1px solid rgba(255, 255, 255, 0.05);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
}

.main-card .header,
.main-card .header-full {
    display: flex;
    align-items: stretch;
    justify-content: space-between;
    padding: 1rem;
    background-color: var(--bg-child-card);
    border-top-left-radius: var(--radius-2xl);
    border-top-right-radius: var(--radius-2xl);   
}

.main-card .header-full {
    padding: 0;
}

.main-card .header-full .button {
    height: 100%;
    padding: 0 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 150ms cubic-bezier(0.4, 0, 0.2, 1);
    background-color: rgba(var(--primary-rgb), 0.15);
    color: rgb(var(--primary-rgb));
    cursor: pointer;
    border-top-right-radius: var(--radius-2xl);
    font-size: 1.25rem;
}

.main-card .header-full .button:hover {
    background-color: rgba(var(--primary-rgb), 0.35);
    color: rgba(255, 255, 255, 0.5);
}
.main-card .header-full .button:active {
    background-color: rgba(var(--primary-rgb), 0.1);
}

.main-card .body {
    padding: 1.5rem;
    position: relative;
}

.main-card .item,
.main-card .item-locked {
    background-color: var(--bg-child-card);
    padding: 0.625rem 1rem;
    border-radius: 0.75rem;
    border: 1px solid var(--border-light);
    display: flex;
    align-items: center;
    justify-content: space-between;
    transition: border-color 0.15s cubic-bezier(0.4, 0, 0.2, 1);
}

.main-card .item:focus {
    outline: none;
    border-color: rgba(var(--primary-rgb), 0.5);
}

.main-card .item-locked {
    background-color: rgba(234, 179, 8, 0.2);
    color: rgba(250, 204, 21, 0.6);
    font-size: 0.875rem;
    justify-content: left;
}

.main-card .label {
    display: block;
    color: #6b7280;
    font-size: 10px;
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    margin-bottom: 0.5rem;
}

code {
    font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;
    flex: 1 1 0%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: rgba(var(--primary-rgb), 0.4);
    background-color: var(--bg-body) !important;
}

/* --- Buttons --- */
.btn-icon,
.btn-icon-big {
    color: #ffffff;
    transition: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 0.5rem;
    background-color: rgba(var(--primary-rgb), 0.15);
    border: 1px solid rgba(var(--primary-rgb), 0.2);
    padding: 0.625rem 0.75rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}
.btn-icon-big {
    padding: 0.625rem 1rem;
    border-radius: 0.75rem;
    background-color: rgba(var(--primary-rgb), 0.05);
    border: 1px solid rgba(var(--primary-rgb), 0.15);
}
.btn-icon:hover,
.btn-icon-big:hover {
    background-color: rgba(var(--primary-rgb), 0.35);
}
.btn-icon:active,
.btn-icon-big:active {
    transform: scale(0.9);
}