body { font-family: sans-serif; background-color: #f5f5f5; margin: 0; }
.main-wrapper { display: flex; height: 100vh; padding: 10px; gap: 15px; }

/* Sidebar */
.sidebar { width: 220px; border-right: 1px solid #ccc; padding: 10px; display: flex; flex-direction: column; }
.branding { text-align: center; margin-bottom: 20px; }
.logo { width: 80px; }
.sim-logo { width: 100px; margin-top: 10px; }
.sub { font-size: 11px; color: #666; }

.actions { margin-bottom: 20px; }
.btn-inc, .btn-load { 
    width: 100%; 
    padding: 8px; 
    margin-bottom: 5px; 
    cursor: pointer; 
    font-weight: bold;
}
.btn-inc { background: #ffaaaa; border: 1px solid red; }
.btn-load { background: #aaffaa; border: 1px solid green; }

.pc-container { margin: 20px 0; text-align: center; }
.pc-container input { 
    width: 140px; 
    text-align: center; 
    font-family: monospace; 
    font-size: 14px;
    padding: 5px;
}
.pc-container p { margin: 5px 0; font-size: 12px; }

.options { margin: 20px 0; }
.opt-row { 
    display: flex; 
    align-items: center; 
    margin: 8px 0; 
    gap: 8px;
}
.chk-dec-row { margin-bottom: 15px; }

.resets { margin-top: auto; }
.resets button { 
    width: 100%; 
    padding: 6px; 
    margin-bottom: 5px; 
    cursor: pointer;
    background: #ddd;
    border: 1px solid #999;
}

/* Memoria */
.memory-column { 
    width: 260px; 
    background: white; 
    border: 2px solid #008080; 
    overflow-y: auto; 
    padding: 5px;
}
.mem-row { 
    display: flex; 
    border-bottom: 1px solid #eee; 
    padding: 2px 5px; 
    font-family: monospace; 
    font-size: 13px;
}
.mem-addr { color: #800000; width: 60px; }
.mem-val { color: #0000ff; flex-grow: 1; text-align: center; }
.active-instr { color: red !important; font-weight: bold; }

/* Lógica y Bus */
.logic-column { flex-grow: 1; display: flex; flex-direction: column; }
.control-panel { 
    border: 1px solid #ccc; 
    padding: 15px; 
    background: #eee; 
    flex: 1; 
    overflow-y: auto;
}
.control-panel > p { 
    font-weight: bold; 
    margin: 0 0 10px 0; 
    font-size: 16px;
}

/* Tabla de Control */
.control-table { 
    width: 100%; 
    border-collapse: collapse; 
    background: white; 
    margin-bottom: 15px;
}
.control-table th, .control-table td { 
    border: 1px solid #999; 
    padding: 4px 8px; 
    text-align: center; 
    font-size: 12px;
}
.control-table th { 
    background: #d0d0d0; 
    font-weight: bold; 
}
.control-table tbody tr:hover { 
    background: #f0f0f0; 
}
.control-cell { 
    font-family: monospace; 
    color: #000; 
}

.control-inputs { 
    display: flex; 
    gap: 20px; 
    margin-bottom: 15px; 
    align-items: center;
}
.control-inputs label { 
    display: flex; 
    align-items: center; 
    gap: 5px; 
}
.control-inputs select { 
    padding: 4px; 
}

.control-output { 
    margin-top: 10px; 
    padding: 10px; 
    background: #fff; 
    border: 2px solid #333;
}
.control-output > p { 
    margin: 0 0 8px 0; 
    font-weight: bold; 
}
.control-word { 
    font-family: monospace; 
    font-size: 16px; 
    padding: 8px; 
    background: #ffffcc; 
    border: 1px solid #999; 
    text-align: center;
    letter-spacing: 2px;
}

.data-bus { 
    height: auto; 
    min-height: 100px; 
    border-top: 4px solid black; 
    margin-top: 20px; 
    padding-top: 15px;
    position: relative; 
}
.bus-text { 
    font-family: monospace; 
    font-size: 18px; 
    word-spacing: 8px; 
    margin-bottom: 10px; 
    text-align: center;
}
.decode-area { 
    font-family: monospace; 
    font-size: 16px; 
    color: #006600; 
    font-weight: bold; 
    text-align: center; 
    padding: 8px; 
    background: #e8f5e8; 
    border: 1px solid #90ee90;
    margin-top: 10px;
}

/* Clases de estado */
.hidden { display: none !important; }